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The major change in this version is mitigating cpu overheads on write paths by 

replacing redundant inode page updates with mark_inode_dirty calls. And we tried
 to reduce lock contentions as well to improve filesystem scalability.
 Other feature is setting F2FS automatically when detecting host-managed SMR.
 
 = Enhancement =
  - ioctl to move a range of data between files
  - inject orphan inode errors
  - avoid flush commands congestion
  - support lazytime
 
 = Bug fixes =
  - return proper results for some dentry operations
  - fix deadlock in add_link failure
  - disable extent_cache for fcollapse/finsert
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Merge tag 'for-f2fs-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "The major change in this version is mitigating cpu overheads on write
  paths by replacing redundant inode page updates with mark_inode_dirty
  calls.  And we tried to reduce lock contentions as well to improve
  filesystem scalability.  Other feature is setting F2FS automatically
  when detecting host-managed SMR.

  Enhancements:
   - ioctl to move a range of data between files
   - inject orphan inode errors
   - avoid flush commands congestion
   - support lazytime

  Bug fixes:
   - return proper results for some dentry operations
   - fix deadlock in add_link failure
   - disable extent_cache for fcollapse/finsert"

* tag 'for-f2fs-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (68 commits)
  f2fs: clean up coding style and redundancy
  f2fs: get victim segment again after new cp
  f2fs: handle error case with f2fs_bug_on
  f2fs: avoid data race when deciding checkpoin in f2fs_sync_file
  f2fs: support an ioctl to move a range of data blocks
  f2fs: fix to report error number of f2fs_find_entry
  f2fs: avoid memory allocation failure due to a long length
  f2fs: reset default idle interval value
  f2fs: use blk_plug in all the possible paths
  f2fs: fix to avoid data update racing between GC and DIO
  f2fs: add maximum prefree segments
  f2fs: disable extent_cache for fcollapse/finsert inodes
  f2fs: refactor __exchange_data_block for speed up
  f2fs: fix ERR_PTR returned by bio
  f2fs: avoid mark_inode_dirty
  f2fs: move i_size_write in f2fs_write_end
  f2fs: fix to avoid redundant discard during fstrim
  f2fs: avoid mismatching block range for discard
  f2fs: fix incorrect f_bfree calculation in ->statfs
  f2fs: use percpu_rw_semaphore
  ...
This commit is contained in:
Linus Torvalds 2016-07-27 10:36:31 -07:00
Родитель 0e6acf0204 5302fb000d
Коммит 4fc29c1aa3
22 изменённых файлов: 1392 добавлений и 755 удалений
Показать статистику Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

7
Documentation/filesystems/f2fs.txt
Просмотреть файл

@ -109,7 +109,9 @@ background_gc=%s Turn on/off cleaning operations, namely garbage
disable_roll_forward Disable the roll-forward recovery routine
norecovery Disable the roll-forward recovery routine, mounted read-
only (i.e., -o ro,disable_roll_forward)
discard Issue discard/TRIM commands when a segment is cleaned.
discard/nodiscard Enable/disable real-time discard in f2fs, if discard is
enabled, f2fs will issue discard/TRIM commands when a
segment is cleaned.
no_heap Disable heap-style segment allocation which finds free
segments for data from the beginning of main area, while
for node from the end of main area.
@ -151,6 +153,9 @@ noinline_data Disable the inline data feature, inline data feature is
enabled by default.
data_flush Enable data flushing before checkpoint in order to
persist data of regular and symlink.
mode=%s Control block allocation mode which supports "adaptive"
and "lfs". In "lfs" mode, there should be no random
writes towards main area.
================================================================================
DEBUGFS ENTRIES

9
fs/f2fs/acl.c
Просмотреть файл

@ -201,7 +201,6 @@ struct posix_acl *f2fs_get_acl(struct inode *inode, int type)
static int __f2fs_set_acl(struct inode *inode, int type,
struct posix_acl *acl, struct page *ipage)
{
struct f2fs_inode_info *fi = F2FS_I(inode);
int name_index;
void *value = NULL;
size_t size = 0;
@ -214,7 +213,7 @@ static int __f2fs_set_acl(struct inode *inode, int type,
error = posix_acl_equiv_mode(acl, &inode->i_mode);
if (error < 0)
return error;
set_acl_inode(fi, inode->i_mode);
set_acl_inode(inode, inode->i_mode);
if (error == 0)
acl = NULL;
}
@ -233,7 +232,7 @@ static int __f2fs_set_acl(struct inode *inode, int type,
if (acl) {
value = f2fs_acl_to_disk(acl, &size);
if (IS_ERR(value)) {
clear_inode_flag(fi, FI_ACL_MODE);
clear_inode_flag(inode, FI_ACL_MODE);
return (int)PTR_ERR(value);
}
}
@ -244,7 +243,7 @@ static int __f2fs_set_acl(struct inode *inode, int type,
if (!error)
set_cached_acl(inode, type, acl);
clear_inode_flag(fi, FI_ACL_MODE);
clear_inode_flag(inode, FI_ACL_MODE);
return error;
}
@ -385,6 +384,8 @@ int f2fs_init_acl(struct inode *inode, struct inode *dir, struct page *ipage,
if (error)
return error;
f2fs_mark_inode_dirty_sync(inode);
if (default_acl) {
error = __f2fs_set_acl(inode, ACL_TYPE_DEFAULT, default_acl,
ipage);

2
fs/f2fs/acl.h
Просмотреть файл

@ -37,7 +37,7 @@ struct f2fs_acl_header {
#ifdef CONFIG_F2FS_FS_POSIX_ACL
extern struct posix_acl *f2fs_get_acl(struct inode *, int);
extern int f2fs_set_acl(struct inode *inode, struct posix_acl *acl, int type);
extern int f2fs_set_acl(struct inode *, struct posix_acl *, int);
extern int f2fs_init_acl(struct inode *, struct inode *, struct page *,
struct page *);
#else

80
fs/f2fs/checkpoint.c
Просмотреть файл

@ -48,7 +48,8 @@ repeat:
goto repeat;
}
f2fs_wait_on_page_writeback(page, META, true);
SetPageUptodate(page);
if (!PageUptodate(page))
SetPageUptodate(page);
return page;
}
@ -266,6 +267,7 @@ static int f2fs_write_meta_pages(struct address_space *mapping,
struct writeback_control *wbc)
{
struct f2fs_sb_info *sbi = F2FS_M_SB(mapping);
struct blk_plug plug;
long diff, written;
/* collect a number of dirty meta pages and write together */
@ -278,7 +280,9 @@ static int f2fs_write_meta_pages(struct address_space *mapping,
/* if mounting is failed, skip writing node pages */
mutex_lock(&sbi->cp_mutex);
diff = nr_pages_to_write(sbi, META, wbc);
blk_start_plug(&plug);
written = sync_meta_pages(sbi, META, wbc->nr_to_write);
blk_finish_plug(&plug);
mutex_unlock(&sbi->cp_mutex);
wbc->nr_to_write = max((long)0, wbc->nr_to_write - written - diff);
return 0;
@ -366,9 +370,10 @@ static int f2fs_set_meta_page_dirty(struct page *page)
{
trace_f2fs_set_page_dirty(page, META);
SetPageUptodate(page);
if (!PageUptodate(page))
SetPageUptodate(page);
if (!PageDirty(page)) {
__set_page_dirty_nobuffers(page);
f2fs_set_page_dirty_nobuffers(page);
inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_META);
SetPagePrivate(page);
f2fs_trace_pid(page);
@ -510,10 +515,11 @@ void release_orphan_inode(struct f2fs_sb_info *sbi)
spin_unlock(&im->ino_lock);
}
void add_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
void add_orphan_inode(struct inode *inode)
{
/* add new orphan ino entry into list */
__add_ino_entry(sbi, ino, ORPHAN_INO);
__add_ino_entry(F2FS_I_SB(inode), inode->i_ino, ORPHAN_INO);
update_inode_page(inode);
}
void remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
@ -761,28 +767,25 @@ fail_no_cp:
static void __add_dirty_inode(struct inode *inode, enum inode_type type)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct f2fs_inode_info *fi = F2FS_I(inode);
int flag = (type == DIR_INODE) ? FI_DIRTY_DIR : FI_DIRTY_FILE;
if (is_inode_flag_set(fi, flag))
if (is_inode_flag_set(inode, flag))
return;
set_inode_flag(fi, flag);
list_add_tail(&fi->dirty_list, &sbi->inode_list[type]);
set_inode_flag(inode, flag);
list_add_tail(&F2FS_I(inode)->dirty_list, &sbi->inode_list[type]);
stat_inc_dirty_inode(sbi, type);
}
static void __remove_dirty_inode(struct inode *inode, enum inode_type type)
{
struct f2fs_inode_info *fi = F2FS_I(inode);
int flag = (type == DIR_INODE) ? FI_DIRTY_DIR : FI_DIRTY_FILE;
if (get_dirty_pages(inode) ||
!is_inode_flag_set(F2FS_I(inode), flag))
if (get_dirty_pages(inode) || !is_inode_flag_set(inode, flag))
return;
list_del_init(&fi->dirty_list);
clear_inode_flag(fi, flag);
list_del_init(&F2FS_I(inode)->dirty_list);
clear_inode_flag(inode, flag);
stat_dec_dirty_inode(F2FS_I_SB(inode), type);
}
@ -795,13 +798,12 @@ void update_dirty_page(struct inode *inode, struct page *page)
!S_ISLNK(inode->i_mode))
return;
if (type != FILE_INODE || test_opt(sbi, DATA_FLUSH)) {
spin_lock(&sbi->inode_lock[type]);
spin_lock(&sbi->inode_lock[type]);
if (type != FILE_INODE || test_opt(sbi, DATA_FLUSH))
__add_dirty_inode(inode, type);
spin_unlock(&sbi->inode_lock[type]);
}
inode_inc_dirty_pages(inode);
spin_unlock(&sbi->inode_lock[type]);
SetPagePrivate(page);
f2fs_trace_pid(page);
}
@ -864,6 +866,34 @@ retry:
goto retry;
}
int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi)
{
struct list_head *head = &sbi->inode_list[DIRTY_META];
struct inode *inode;
struct f2fs_inode_info *fi;
s64 total = get_pages(sbi, F2FS_DIRTY_IMETA);
while (total--) {
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
spin_lock(&sbi->inode_lock[DIRTY_META]);
if (list_empty(head)) {
spin_unlock(&sbi->inode_lock[DIRTY_META]);
return 0;
}
fi = list_entry(head->next, struct f2fs_inode_info,
gdirty_list);
inode = igrab(&fi->vfs_inode);
spin_unlock(&sbi->inode_lock[DIRTY_META]);
if (inode) {
update_inode_page(inode);
iput(inode);
}
};
return 0;
}
/*
* Freeze all the FS-operations for checkpoint.
*/
@ -890,6 +920,14 @@ retry_flush_dents:
goto retry_flush_dents;
}
if (get_pages(sbi, F2FS_DIRTY_IMETA)) {
f2fs_unlock_all(sbi);
err = f2fs_sync_inode_meta(sbi);
if (err)
goto out;
goto retry_flush_dents;
}
/*
* POR: we should ensure that there are no dirty node pages
* until finishing nat/sit flush.
@ -914,6 +952,8 @@ out:
static void unblock_operations(struct f2fs_sb_info *sbi)
{
up_write(&sbi->node_write);
build_free_nids(sbi);
f2fs_unlock_all(sbi);
}
@ -954,7 +994,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
* This avoids to conduct wrong roll-forward operations and uses
* metapages, so should be called prior to sync_meta_pages below.
*/
if (discard_next_dnode(sbi, discard_blk))
if (!test_opt(sbi, LFS) && discard_next_dnode(sbi, discard_blk))
invalidate = true;
/* Flush all the NAT/SIT pages */

315
fs/f2fs/data.c
Просмотреть файл

@ -19,6 +19,8 @@
#include <linux/bio.h>
#include <linux/prefetch.h>
#include <linux/uio.h>
#include <linux/mm.h>
#include <linux/memcontrol.h>
#include <linux/cleancache.h>
#include "f2fs.h"
@ -45,7 +47,8 @@ static void f2fs_read_end_io(struct bio *bio)
struct page *page = bvec->bv_page;
if (!bio->bi_error) {
SetPageUptodate(page);
if (!PageUptodate(page))
SetPageUptodate(page);
} else {
ClearPageUptodate(page);
SetPageError(page);
@ -97,10 +100,15 @@ static struct bio *__bio_alloc(struct f2fs_sb_info *sbi, block_t blk_addr,
return bio;
}
static inline void __submit_bio(struct f2fs_sb_info *sbi, struct bio *bio)
static inline void __submit_bio(struct f2fs_sb_info *sbi,
struct bio *bio, enum page_type type)
{
if (!is_read_io(bio_op(bio)))
if (!is_read_io(bio_op(bio))) {
atomic_inc(&sbi->nr_wb_bios);
if (f2fs_sb_mounted_hmsmr(sbi->sb) &&
current->plug && (type == DATA || type == NODE))
blk_finish_plug(current->plug);
}
submit_bio(bio);
}
@ -118,7 +126,7 @@ static void __submit_merged_bio(struct f2fs_bio_info *io)
bio_set_op_attrs(io->bio, fio->op, fio->op_flags);
__submit_bio(io->sbi, io->bio);
__submit_bio(io->sbi, io->bio, fio->type);
io->bio = NULL;
}
@ -240,7 +248,7 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)
bio->bi_rw = fio->op_flags;
bio_set_op_attrs(bio, fio->op, fio->op_flags);
__submit_bio(fio->sbi, bio);
__submit_bio(fio->sbi, bio, fio->type);
return 0;
}
@ -326,7 +334,7 @@ int reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count)
if (!count)
return 0;
if (unlikely(is_inode_flag_set(F2FS_I(dn->inode), FI_NO_ALLOC)))
if (unlikely(is_inode_flag_set(dn->inode, FI_NO_ALLOC)))
return -EPERM;
if (unlikely(!inc_valid_block_count(sbi, dn->inode, &count)))
return -ENOSPC;
@ -348,9 +356,6 @@ int reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count)
if (set_page_dirty(dn->node_page))
dn->node_changed = true;
mark_inode_dirty(dn->inode);
sync_inode_page(dn);
return 0;
}
@ -446,7 +451,8 @@ got_it:
*/
if (dn.data_blkaddr == NEW_ADDR) {
zero_user_segment(page, 0, PAGE_SIZE);
SetPageUptodate(page);
if (!PageUptodate(page))
SetPageUptodate(page);
unlock_page(page);
return page;
}
@ -505,14 +511,14 @@ repeat:
/* wait for read completion */
lock_page(page);
if (unlikely(!PageUptodate(page))) {
f2fs_put_page(page, 1);
return ERR_PTR(-EIO);
}
if (unlikely(page->mapping != mapping)) {
f2fs_put_page(page, 1);
goto repeat;
}
if (unlikely(!PageUptodate(page))) {
f2fs_put_page(page, 1);
return ERR_PTR(-EIO);
}
return page;
}
@ -557,7 +563,8 @@ struct page *get_new_data_page(struct inode *inode,
if (dn.data_blkaddr == NEW_ADDR) {
zero_user_segment(page, 0, PAGE_SIZE);
SetPageUptodate(page);
if (!PageUptodate(page))
SetPageUptodate(page);
} else {
f2fs_put_page(page, 1);
@ -569,11 +576,8 @@ struct page *get_new_data_page(struct inode *inode,
}
got_it:
if (new_i_size && i_size_read(inode) <
((loff_t)(index + 1) << PAGE_SHIFT)) {
i_size_write(inode, ((loff_t)(index + 1) << PAGE_SHIFT));
/* Only the directory inode sets new_i_size */
set_inode_flag(F2FS_I(inode), FI_UPDATE_DIR);
}
((loff_t)(index + 1) << PAGE_SHIFT))
f2fs_i_size_write(inode, ((loff_t)(index + 1) << PAGE_SHIFT));
return page;
}
@ -586,7 +590,7 @@ static int __allocate_data_block(struct dnode_of_data *dn)
pgoff_t fofs;
blkcnt_t count = 1;
if (unlikely(is_inode_flag_set(F2FS_I(dn->inode), FI_NO_ALLOC)))
if (unlikely(is_inode_flag_set(dn->inode, FI_NO_ALLOC)))
return -EPERM;
dn->data_blkaddr = datablock_addr(dn->node_page, dn->ofs_in_node);
@ -611,7 +615,7 @@ alloc:
fofs = start_bidx_of_node(ofs_of_node(dn->node_page), dn->inode) +
dn->ofs_in_node;
if (i_size_read(dn->inode) < ((loff_t)(fofs + 1) << PAGE_SHIFT))
i_size_write(dn->inode,
f2fs_i_size_write(dn->inode,
((loff_t)(fofs + 1) << PAGE_SHIFT));
return 0;
}
@ -660,7 +664,7 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
unsigned int maxblocks = map->m_len;
struct dnode_of_data dn;
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
int mode = create ? ALLOC_NODE : LOOKUP_NODE_RA;
int mode = create ? ALLOC_NODE : LOOKUP_NODE;
pgoff_t pgofs, end_offset, end;
int err = 0, ofs = 1;
unsigned int ofs_in_node, last_ofs_in_node;
@ -723,8 +727,7 @@ next_block:
} else {
err = __allocate_data_block(&dn);
if (!err) {
set_inode_flag(F2FS_I(inode),
FI_APPEND_WRITE);
set_inode_flag(inode, FI_APPEND_WRITE);
allocated = true;
}
}
@ -795,8 +798,6 @@ skip:
else if (dn.ofs_in_node < end_offset)
goto next_block;
if (allocated)
sync_inode_page(&dn);
f2fs_put_dnode(&dn);
if (create) {
@ -807,8 +808,6 @@ skip:
goto next_dnode;
sync_out:
if (allocated)
sync_inode_page(&dn);
f2fs_put_dnode(&dn);
unlock_out:
if (create) {
@ -968,6 +967,37 @@ out:
return ret;
}
struct bio *f2fs_grab_bio(struct inode *inode, block_t blkaddr,
unsigned nr_pages)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct fscrypt_ctx *ctx = NULL;
struct block_device *bdev = sbi->sb->s_bdev;
struct bio *bio;
if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode)) {
ctx = fscrypt_get_ctx(inode, GFP_NOFS);
if (IS_ERR(ctx))
return ERR_CAST(ctx);
/* wait the page to be moved by cleaning */
f2fs_wait_on_encrypted_page_writeback(sbi, blkaddr);
}
bio = bio_alloc(GFP_KERNEL, min_t(int, nr_pages, BIO_MAX_PAGES));
if (!bio) {
if (ctx)
fscrypt_release_ctx(ctx);
return ERR_PTR(-ENOMEM);
}
bio->bi_bdev = bdev;
bio->bi_iter.bi_sector = SECTOR_FROM_BLOCK(blkaddr);
bio->bi_end_io = f2fs_read_end_io;
bio->bi_private = ctx;
return bio;
}
/*
* This function was originally taken from fs/mpage.c, and customized for f2fs.
* Major change was from block_size == page_size in f2fs by default.
@ -986,7 +1016,6 @@ static int f2fs_mpage_readpages(struct address_space *mapping,
sector_t last_block;
sector_t last_block_in_file;
sector_t block_nr;
struct block_device *bdev = inode->i_sb->s_bdev;
struct f2fs_map_blocks map;
map.m_pblk = 0;
@ -1047,7 +1076,8 @@ got_it:
}
} else {
zero_user_segment(page, 0, PAGE_SIZE);
SetPageUptodate(page);
if (!PageUptodate(page))
SetPageUptodate(page);
unlock_page(page);
goto next_page;
}
@ -1058,35 +1088,15 @@ got_it:
*/
if (bio && (last_block_in_bio != block_nr - 1)) {
submit_and_realloc:
__submit_bio(F2FS_I_SB(inode), bio);
__submit_bio(F2FS_I_SB(inode), bio, DATA);
bio = NULL;
}
if (bio == NULL) {
struct fscrypt_ctx *ctx = NULL;
if (f2fs_encrypted_inode(inode) &&
S_ISREG(inode->i_mode)) {
ctx = fscrypt_get_ctx(inode, GFP_NOFS);
if (IS_ERR(ctx))
goto set_error_page;
/* wait the page to be moved by cleaning */
f2fs_wait_on_encrypted_page_writeback(
F2FS_I_SB(inode), block_nr);
}
bio = bio_alloc(GFP_KERNEL,
min_t(int, nr_pages, BIO_MAX_PAGES));
if (!bio) {
if (ctx)
fscrypt_release_ctx(ctx);
bio = f2fs_grab_bio(inode, block_nr, nr_pages);
if (IS_ERR(bio)) {
bio = NULL;
goto set_error_page;
}
bio->bi_bdev = bdev;
bio->bi_iter.bi_sector = SECTOR_FROM_BLOCK(block_nr);
bio->bi_end_io = f2fs_read_end_io;
bio->bi_private = ctx;
bio_set_op_attrs(bio, REQ_OP_READ, 0);
}
@ -1102,7 +1112,7 @@ set_error_page:
goto next_page;
confused:
if (bio) {
__submit_bio(F2FS_I_SB(inode), bio);
__submit_bio(F2FS_I_SB(inode), bio, DATA);
bio = NULL;
}
unlock_page(page);
@ -1112,7 +1122,7 @@ next_page:
}
BUG_ON(pages && !list_empty(pages));
if (bio)
__submit_bio(F2FS_I_SB(inode), bio);
__submit_bio(F2FS_I_SB(inode), bio, DATA);
return 0;
}
@ -1201,14 +1211,14 @@ retry_encrypt:
!IS_ATOMIC_WRITTEN_PAGE(page) &&
need_inplace_update(inode))) {
rewrite_data_page(fio);
set_inode_flag(F2FS_I(inode), FI_UPDATE_WRITE);
set_inode_flag(inode, FI_UPDATE_WRITE);
trace_f2fs_do_write_data_page(page, IPU);
} else {
write_data_page(&dn, fio);
trace_f2fs_do_write_data_page(page, OPU);
set_inode_flag(F2FS_I(inode), FI_APPEND_WRITE);
set_inode_flag(inode, FI_APPEND_WRITE);
if (page->index == 0)
set_inode_flag(F2FS_I(inode), FI_FIRST_BLOCK_WRITTEN);
set_inode_flag(inode, FI_FIRST_BLOCK_WRITTEN);
}
out_writepage:
f2fs_put_dnode(&dn);
@ -1223,6 +1233,7 @@ static int f2fs_write_data_page(struct page *page,
loff_t i_size = i_size_read(inode);
const pgoff_t end_index = ((unsigned long long) i_size)
>> PAGE_SHIFT;
loff_t psize = (page->index + 1) << PAGE_SHIFT;
unsigned offset = 0;
bool need_balance_fs = false;
int err = 0;
@ -1260,20 +1271,18 @@ write:
available_free_memory(sbi, BASE_CHECK))))
goto redirty_out;
/* Dentry blocks are controlled by checkpoint */
if (S_ISDIR(inode->i_mode)) {
if (unlikely(f2fs_cp_error(sbi)))
goto redirty_out;
err = do_write_data_page(&fio);
goto done;
}
/* we should bypass data pages to proceed the kworkder jobs */
if (unlikely(f2fs_cp_error(sbi))) {
SetPageError(page);
mapping_set_error(page->mapping, -EIO);
goto out;
}
/* Dentry blocks are controlled by checkpoint */
if (S_ISDIR(inode->i_mode)) {
err = do_write_data_page(&fio);
goto done;
}
if (!wbc->for_reclaim)
need_balance_fs = true;
else if (has_not_enough_free_secs(sbi, 0))
@ -1285,6 +1294,8 @@ write:
err = f2fs_write_inline_data(inode, page);
if (err == -EAGAIN)
err = do_write_data_page(&fio);
if (F2FS_I(inode)->last_disk_size < psize)
F2FS_I(inode)->last_disk_size = psize;
f2fs_unlock_op(sbi);
done:
if (err && err != -ENOENT)
@ -1311,16 +1322,8 @@ out:
redirty_out:
redirty_page_for_writepage(wbc, page);
return AOP_WRITEPAGE_ACTIVATE;
}
static int __f2fs_writepage(struct page *page, struct writeback_control *wbc,
void *data)
{
struct address_space *mapping = data;
int ret = mapping->a_ops->writepage(page, wbc);
mapping_set_error(mapping, ret);
return ret;
unlock_page(page);
return err;
}
/*
@ -1329,8 +1332,7 @@ static int __f2fs_writepage(struct page *page, struct writeback_control *wbc,
* warm/hot data page.
*/
static int f2fs_write_cache_pages(struct address_space *mapping,
struct writeback_control *wbc, writepage_t writepage,
void *data)
struct writeback_control *wbc)
{
int ret = 0;
int done = 0;
@ -1343,10 +1345,9 @@ static int f2fs_write_cache_pages(struct address_space *mapping,
int cycled;
int range_whole = 0;
int tag;
int step = 0;
pagevec_init(&pvec, 0);
next:
if (wbc->range_cyclic) {
writeback_index = mapping->writeback_index; /* prev offset */
index = writeback_index;
@ -1401,9 +1402,6 @@ continue_unlock:
goto continue_unlock;
}
if (step == is_cold_data(page))
goto continue_unlock;
if (PageWriteback(page)) {
if (wbc->sync_mode != WB_SYNC_NONE)
f2fs_wait_on_page_writeback(page,
@ -1416,16 +1414,11 @@ continue_unlock:
if (!clear_page_dirty_for_io(page))
goto continue_unlock;
ret = (*writepage)(page, wbc, data);
ret = mapping->a_ops->writepage(page, wbc);
if (unlikely(ret)) {
if (ret == AOP_WRITEPAGE_ACTIVATE) {
unlock_page(page);
ret = 0;
} else {
done_index = page->index + 1;
done = 1;
break;
}
done_index = page->index + 1;
done = 1;
break;
}
if (--wbc->nr_to_write <= 0 &&
@ -1438,11 +1431,6 @@ continue_unlock:
cond_resched();
}
if (step < 1) {
step++;
goto next;
}
if (!cycled && !done) {
cycled = 1;
index = 0;
@ -1460,9 +1448,8 @@ static int f2fs_write_data_pages(struct address_space *mapping,
{
struct inode *inode = mapping->host;
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
bool locked = false;
struct blk_plug plug;
int ret;
long diff;
/* deal with chardevs and other special file */
if (!mapping->a_ops->writepage)
@ -1478,7 +1465,7 @@ static int f2fs_write_data_pages(struct address_space *mapping,
goto skip_write;
/* skip writing during file defragment */
if (is_inode_flag_set(F2FS_I(inode), FI_DO_DEFRAG))
if (is_inode_flag_set(inode, FI_DO_DEFRAG))
goto skip_write;
/* during POR, we don't need to trigger writepage at all. */
@ -1487,20 +1474,16 @@ static int f2fs_write_data_pages(struct address_space *mapping,
trace_f2fs_writepages(mapping->host, wbc, DATA);
diff = nr_pages_to_write(sbi, DATA, wbc);
if (!S_ISDIR(inode->i_mode) && wbc->sync_mode == WB_SYNC_ALL) {
mutex_lock(&sbi->writepages);
locked = true;
}
ret = f2fs_write_cache_pages(mapping, wbc, __f2fs_writepage, mapping);
f2fs_submit_merged_bio_cond(sbi, inode, NULL, 0, DATA, WRITE);
if (locked)
mutex_unlock(&sbi->writepages);
blk_start_plug(&plug);
ret = f2fs_write_cache_pages(mapping, wbc);
blk_finish_plug(&plug);
/*
* if some pages were truncated, we cannot guarantee its mapping->host
* to detect pending bios.
*/
f2fs_submit_merged_bio(sbi, DATA, WRITE);
remove_dirty_inode(inode);
wbc->nr_to_write = max((long)0, wbc->nr_to_write - diff);
return ret;
skip_write:
@ -1558,7 +1541,7 @@ restart:
if (f2fs_has_inline_data(inode)) {
if (pos + len <= MAX_INLINE_DATA) {
read_inline_data(page, ipage);
set_inode_flag(F2FS_I(inode), FI_DATA_EXIST);
set_inode_flag(inode, FI_DATA_EXIST);
if (inode->i_nlink)
set_inline_node(ipage);
} else {
@ -1668,39 +1651,35 @@ repeat:
if (blkaddr == NEW_ADDR) {
zero_user_segment(page, 0, PAGE_SIZE);
} else {
struct f2fs_io_info fio = {
.sbi = sbi,
.type = DATA,
.op = REQ_OP_READ,
.op_flags = READ_SYNC,
.old_blkaddr = blkaddr,
.new_blkaddr = blkaddr,
.page = page,
.encrypted_page = NULL,
};
err = f2fs_submit_page_bio(&fio);
if (err)
goto fail;
struct bio *bio;
lock_page(page);
if (unlikely(!PageUptodate(page))) {
err = -EIO;
bio = f2fs_grab_bio(inode, blkaddr, 1);
if (IS_ERR(bio)) {
err = PTR_ERR(bio);
goto fail;
}
bio_set_op_attrs(bio, REQ_OP_READ, READ_SYNC);
if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE) {
bio_put(bio);
err = -EFAULT;
goto fail;
}
__submit_bio(sbi, bio, DATA);
lock_page(page);
if (unlikely(page->mapping != mapping)) {
f2fs_put_page(page, 1);
goto repeat;
}
/* avoid symlink page */
if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode)) {
err = fscrypt_decrypt_page(page);
if (err)
goto fail;
if (unlikely(!PageUptodate(page))) {
err = -EIO;
goto fail;
}
}
out_update:
SetPageUptodate(page);
if (!PageUptodate(page))
SetPageUptodate(page);
out_clear:
clear_cold_data(page);
return 0;
@ -1721,13 +1700,11 @@ static int f2fs_write_end(struct file *file,
trace_f2fs_write_end(inode, pos, len, copied);
set_page_dirty(page);
if (pos + copied > i_size_read(inode)) {
i_size_write(inode, pos + copied);
mark_inode_dirty(inode);
}
f2fs_put_page(page, 1);
if (pos + copied > i_size_read(inode))
f2fs_i_size_write(inode, pos + copied);
f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
return copied;
}
@ -1752,6 +1729,7 @@ static ssize_t f2fs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
struct inode *inode = mapping->host;
size_t count = iov_iter_count(iter);
loff_t offset = iocb->ki_pos;
int rw = iov_iter_rw(iter);
int err;
err = check_direct_IO(inode, iter, offset);
@ -1760,18 +1738,23 @@ static ssize_t f2fs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode))
return 0;
if (test_opt(F2FS_I_SB(inode), LFS))
return 0;
trace_f2fs_direct_IO_enter(inode, offset, count, iov_iter_rw(iter));
trace_f2fs_direct_IO_enter(inode, offset, count, rw);
down_read(&F2FS_I(inode)->dio_rwsem[rw]);
err = blockdev_direct_IO(iocb, inode, iter, get_data_block_dio);
if (iov_iter_rw(iter) == WRITE) {
up_read(&F2FS_I(inode)->dio_rwsem[rw]);
if (rw == WRITE) {
if (err > 0)
set_inode_flag(F2FS_I(inode), FI_UPDATE_WRITE);
set_inode_flag(inode, FI_UPDATE_WRITE);
else if (err < 0)
f2fs_write_failed(mapping, offset + count);
}
trace_f2fs_direct_IO_exit(inode, offset, count, iov_iter_rw(iter), err);
trace_f2fs_direct_IO_exit(inode, offset, count, rw, err);
return err;
}
@ -1818,6 +1801,35 @@ int f2fs_release_page(struct page *page, gfp_t wait)
return 1;
}
/*
* This was copied from __set_page_dirty_buffers which gives higher performance
* in very high speed storages. (e.g., pmem)
*/
void f2fs_set_page_dirty_nobuffers(struct page *page)
{
struct address_space *mapping = page->mapping;
unsigned long flags;
if (unlikely(!mapping))
return;
spin_lock(&mapping->private_lock);
lock_page_memcg(page);
SetPageDirty(page);
spin_unlock(&mapping->private_lock);
spin_lock_irqsave(&mapping->tree_lock, flags);
WARN_ON_ONCE(!PageUptodate(page));
account_page_dirtied(page, mapping);
radix_tree_tag_set(&mapping->page_tree,
page_index(page), PAGECACHE_TAG_DIRTY);
spin_unlock_irqrestore(&mapping->tree_lock, flags);
unlock_page_memcg(page);
__mark_inode_dirty(mapping->host, I_DIRTY_PAGES);
return;
}
static int f2fs_set_data_page_dirty(struct page *page)
{
struct address_space *mapping = page->mapping;
@ -1825,7 +1837,8 @@ static int f2fs_set_data_page_dirty(struct page *page)
trace_f2fs_set_page_dirty(page, DATA);
SetPageUptodate(page);
if (!PageUptodate(page))
SetPageUptodate(page);
if (f2fs_is_atomic_file(inode)) {
if (!IS_ATOMIC_WRITTEN_PAGE(page)) {
@ -1840,7 +1853,7 @@ static int f2fs_set_data_page_dirty(struct page *page)
}
if (!PageDirty(page)) {
__set_page_dirty_nobuffers(page);
f2fs_set_page_dirty_nobuffers(page);
update_dirty_page(inode, page);
return 1;
}

5
fs/f2fs/debug.c
Просмотреть файл

@ -47,6 +47,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->ndirty_data = get_pages(sbi, F2FS_DIRTY_DATA);
si->ndirty_dirs = sbi->ndirty_inode[DIR_INODE];
si->ndirty_files = sbi->ndirty_inode[FILE_INODE];
si->ndirty_all = sbi->ndirty_inode[DIRTY_META];
si->inmem_pages = get_pages(sbi, F2FS_INMEM_PAGES);
si->wb_bios = atomic_read(&sbi->nr_wb_bios);
si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg;
@ -304,8 +305,8 @@ static int stat_show(struct seq_file *s, void *v)
si->inmem_pages, si->wb_bios);
seq_printf(s, " - nodes: %4lld in %4d\n",
si->ndirty_node, si->node_pages);
seq_printf(s, " - dents: %4lld in dirs:%4d\n",
si->ndirty_dent, si->ndirty_dirs);
seq_printf(s, " - dents: %4lld in dirs:%4d (%4d)\n",
si->ndirty_dent, si->ndirty_dirs, si->ndirty_all);
seq_printf(s, " - datas: %4lld in files:%4d\n",
si->ndirty_data, si->ndirty_files);
seq_printf(s, " - meta: %4lld in %4d\n",

123
fs/f2fs/dir.c
Просмотреть файл

@ -185,8 +185,13 @@ static struct f2fs_dir_entry *find_in_level(struct inode *dir,
/* no need to allocate new dentry pages to all the indices */
dentry_page = find_data_page(dir, bidx);
if (IS_ERR(dentry_page)) {
room = true;
continue;
if (PTR_ERR(dentry_page) == -ENOENT) {
room = true;
continue;
} else {
*res_page = dentry_page;
break;
}
}
de = find_in_block(dentry_page, fname, namehash, &max_slots,
@ -223,19 +228,22 @@ struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,
struct fscrypt_name fname;
int err;
*res_page = NULL;
err = fscrypt_setup_filename(dir, child, 1, &fname);
if (err)
if (err) {
*res_page = ERR_PTR(err);
return NULL;
}
if (f2fs_has_inline_dentry(dir)) {
*res_page = NULL;
de = find_in_inline_dir(dir, &fname, res_page);
goto out;
}
if (npages == 0)
if (npages == 0) {
*res_page = NULL;
goto out;
}
max_depth = F2FS_I(dir)->i_current_depth;
if (unlikely(max_depth > MAX_DIR_HASH_DEPTH)) {
@ -243,13 +251,13 @@ struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,
"Corrupted max_depth of %lu: %u",
dir->i_ino, max_depth);
max_depth = MAX_DIR_HASH_DEPTH;
F2FS_I(dir)->i_current_depth = max_depth;
mark_inode_dirty(dir);
f2fs_i_depth_write(dir, max_depth);
}
for (level = 0; level < max_depth; level++) {
*res_page = NULL;
de = find_in_level(dir, level, &fname, res_page);
if (de)
if (de || IS_ERR(*res_page))
break;
}
out:
@ -259,35 +267,22 @@ out:
struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p)
{
struct page *page;
struct f2fs_dir_entry *de;
struct f2fs_dentry_block *dentry_blk;
struct qstr dotdot = QSTR_INIT("..", 2);
if (f2fs_has_inline_dentry(dir))
return f2fs_parent_inline_dir(dir, p);
page = get_lock_data_page(dir, 0, false);
if (IS_ERR(page))
return NULL;
dentry_blk = kmap(page);
de = &dentry_blk->dentry[1];
*p = page;
unlock_page(page);
return de;
return f2fs_find_entry(dir, &dotdot, p);
}
ino_t f2fs_inode_by_name(struct inode *dir, struct qstr *qstr)
ino_t f2fs_inode_by_name(struct inode *dir, struct qstr *qstr,
struct page **page)
{
ino_t res = 0;
struct f2fs_dir_entry *de;
struct page *page;
de = f2fs_find_entry(dir, qstr, &page);
de = f2fs_find_entry(dir, qstr, page);
if (de) {
res = le32_to_cpu(de->ino);
f2fs_dentry_kunmap(dir, page);
f2fs_put_page(page, 0);
f2fs_dentry_kunmap(dir, *page);
f2fs_put_page(*page, 0);
}
return res;
@ -303,9 +298,9 @@ void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de,
set_de_type(de, inode->i_mode);
f2fs_dentry_kunmap(dir, page);
set_page_dirty(page);
dir->i_mtime = dir->i_ctime = CURRENT_TIME;
mark_inode_dirty(dir);
dir->i_mtime = dir->i_ctime = CURRENT_TIME;
f2fs_mark_inode_dirty_sync(dir);
f2fs_put_page(page, 1);
}
@ -385,7 +380,7 @@ struct page *init_inode_metadata(struct inode *inode, struct inode *dir,
struct page *page;
int err;
if (is_inode_flag_set(F2FS_I(inode), FI_NEW_INODE)) {
if (is_inode_flag_set(inode, FI_NEW_INODE)) {
page = new_inode_page(inode);
if (IS_ERR(page))
return page;
@ -429,7 +424,7 @@ struct page *init_inode_metadata(struct inode *inode, struct inode *dir,
* This file should be checkpointed during fsync.
* We lost i_pino from now on.
*/
if (is_inode_flag_set(F2FS_I(inode), FI_INC_LINK)) {
if (is_inode_flag_set(inode, FI_INC_LINK)) {
file_lost_pino(inode);
/*
* If link the tmpfile to alias through linkat path,
@ -437,14 +432,11 @@ struct page *init_inode_metadata(struct inode *inode, struct inode *dir,
*/
if (inode->i_nlink == 0)
remove_orphan_inode(F2FS_I_SB(dir), inode->i_ino);
inc_nlink(inode);
f2fs_i_links_write(inode, true);
}
return page;
put_error:
/* truncate empty dir pages */
truncate_inode_pages(&inode->i_data, 0);
clear_nlink(inode);
update_inode(inode, page);
f2fs_put_page(page, 1);
@ -454,23 +446,19 @@ put_error:
void update_parent_metadata(struct inode *dir, struct inode *inode,
unsigned int current_depth)
{
if (inode && is_inode_flag_set(F2FS_I(inode), FI_NEW_INODE)) {
if (S_ISDIR(inode->i_mode)) {
inc_nlink(dir);
set_inode_flag(F2FS_I(dir), FI_UPDATE_DIR);
}
clear_inode_flag(F2FS_I(inode), FI_NEW_INODE);
if (inode && is_inode_flag_set(inode, FI_NEW_INODE)) {
if (S_ISDIR(inode->i_mode))
f2fs_i_links_write(dir, true);
clear_inode_flag(inode, FI_NEW_INODE);
}
dir->i_mtime = dir->i_ctime = CURRENT_TIME;
mark_inode_dirty(dir);
f2fs_mark_inode_dirty_sync(dir);
if (F2FS_I(dir)->i_current_depth != current_depth) {
F2FS_I(dir)->i_current_depth = current_depth;
set_inode_flag(F2FS_I(dir), FI_UPDATE_DIR);
}
if (F2FS_I(dir)->i_current_depth != current_depth)
f2fs_i_depth_write(dir, current_depth);
if (inode && is_inode_flag_set(F2FS_I(inode), FI_INC_LINK))
clear_inode_flag(F2FS_I(inode), FI_INC_LINK);
if (inode && is_inode_flag_set(inode, FI_INC_LINK))
clear_inode_flag(inode, FI_INC_LINK);
}
int room_for_filename(const void *bitmap, int slots, int max_slots)
@ -596,9 +584,7 @@ add_dentry:
set_page_dirty(dentry_page);
if (inode) {
/* we don't need to mark_inode_dirty now */
F2FS_I(inode)->i_pino = dir->i_ino;
update_inode(inode, page);
f2fs_i_pino_write(inode, dir->i_ino);
f2fs_put_page(page, 1);
}
@ -607,10 +593,6 @@ fail:
if (inode)
up_write(&F2FS_I(inode)->i_sem);
if (is_inode_flag_set(F2FS_I(dir), FI_UPDATE_DIR)) {
update_inode_page(dir);
clear_inode_flag(F2FS_I(dir), FI_UPDATE_DIR);
}
kunmap(dentry_page);
f2fs_put_page(dentry_page, 1);
@ -657,42 +639,34 @@ int f2fs_do_tmpfile(struct inode *inode, struct inode *dir)
err = PTR_ERR(page);
goto fail;
}
/* we don't need to mark_inode_dirty now */
update_inode(inode, page);
f2fs_put_page(page, 1);
clear_inode_flag(F2FS_I(inode), FI_NEW_INODE);
clear_inode_flag(inode, FI_NEW_INODE);
fail:
up_write(&F2FS_I(inode)->i_sem);
f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
return err;
}
void f2fs_drop_nlink(struct inode *dir, struct inode *inode, struct page *page)
void f2fs_drop_nlink(struct inode *dir, struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
down_write(&F2FS_I(inode)->i_sem);
if (S_ISDIR(inode->i_mode)) {
drop_nlink(dir);
if (page)
update_inode(dir, page);
else
update_inode_page(dir);
}
if (S_ISDIR(inode->i_mode))
f2fs_i_links_write(dir, false);
inode->i_ctime = CURRENT_TIME;
drop_nlink(inode);
f2fs_i_links_write(inode, false);
if (S_ISDIR(inode->i_mode)) {
drop_nlink(inode);
i_size_write(inode, 0);
f2fs_i_links_write(inode, false);
f2fs_i_size_write(inode, 0);
}
up_write(&F2FS_I(inode)->i_sem);
update_inode_page(inode);
if (inode->i_nlink == 0)
add_orphan_inode(sbi, inode->i_ino);
add_orphan_inode(inode);
else
release_orphan_inode(sbi);
}
@ -730,9 +704,10 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
set_page_dirty(page);
dir->i_ctime = dir->i_mtime = CURRENT_TIME;
f2fs_mark_inode_dirty_sync(dir);
if (inode)
f2fs_drop_nlink(dir, inode, NULL);
f2fs_drop_nlink(dir, inode);
if (bit_pos == NR_DENTRY_IN_BLOCK &&
!truncate_hole(dir, page->index, page->index + 1)) {

50
fs/f2fs/extent_cache.c
Просмотреть файл

@ -170,8 +170,10 @@ static void __drop_largest_extent(struct inode *inode,
{
struct extent_info *largest = &F2FS_I(inode)->extent_tree->largest;
if (fofs < largest->fofs + largest->len && fofs + len > largest->fofs)
if (fofs < largest->fofs + largest->len && fofs + len > largest->fofs) {
largest->len = 0;
f2fs_mark_inode_dirty_sync(inode);
}
}
/* return true, if inode page is changed */
@ -335,11 +337,12 @@ lookup_neighbors:
return en;
}
static struct extent_node *__try_merge_extent_node(struct f2fs_sb_info *sbi,
static struct extent_node *__try_merge_extent_node(struct inode *inode,
struct extent_tree *et, struct extent_info *ei,
struct extent_node *prev_ex,
struct extent_node *next_ex)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct extent_node *en = NULL;
if (prev_ex && __is_back_mergeable(ei, &prev_ex->ei)) {
@ -360,7 +363,7 @@ static struct extent_node *__try_merge_extent_node(struct f2fs_sb_info *sbi,
if (!en)
return NULL;
__try_update_largest_extent(et, en);
__try_update_largest_extent(inode, et, en);
spin_lock(&sbi->extent_lock);
if (!list_empty(&en->list)) {
@ -371,11 +374,12 @@ static struct extent_node *__try_merge_extent_node(struct f2fs_sb_info *sbi,
return en;
}
static struct extent_node *__insert_extent_tree(struct f2fs_sb_info *sbi,
static struct extent_node *__insert_extent_tree(struct inode *inode,
struct extent_tree *et, struct extent_info *ei,
struct rb_node **insert_p,
struct rb_node *insert_parent)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct rb_node **p = &et->root.rb_node;
struct rb_node *parent = NULL;
struct extent_node *en = NULL;
@ -402,7 +406,7 @@ do_insert:
if (!en)
return NULL;
__try_update_largest_extent(et, en);
__try_update_largest_extent(inode, et, en);
/* update in global extent list */
spin_lock(&sbi->extent_lock);
@ -431,7 +435,7 @@ static unsigned int f2fs_update_extent_tree_range(struct inode *inode,
write_lock(&et->lock);
if (is_inode_flag_set(F2FS_I(inode), FI_NO_EXTENT)) {
if (is_inode_flag_set(inode, FI_NO_EXTENT)) {
write_unlock(&et->lock);
return false;
}
@ -473,7 +477,7 @@ static unsigned int f2fs_update_extent_tree_range(struct inode *inode,
set_extent_info(&ei, end,
end - dei.fofs + dei.blk,
org_end - end);
en1 = __insert_extent_tree(sbi, et, &ei,
en1 = __insert_extent_tree(inode, et, &ei,
NULL, NULL);
next_en = en1;
} else {
@ -494,7 +498,7 @@ static unsigned int f2fs_update_extent_tree_range(struct inode *inode,
}
if (parts)
__try_update_largest_extent(et, en);
__try_update_largest_extent(inode, et, en);
else
__release_extent_node(sbi, et, en);
@ -514,20 +518,20 @@ static unsigned int f2fs_update_extent_tree_range(struct inode *inode,
if (blkaddr) {
set_extent_info(&ei, fofs, blkaddr, len);
if (!__try_merge_extent_node(sbi, et, &ei, prev_en, next_en))
__insert_extent_tree(sbi, et, &ei,
if (!__try_merge_extent_node(inode, et, &ei, prev_en, next_en))
__insert_extent_tree(inode, et, &ei,
insert_p, insert_parent);
/* give up extent_cache, if split and small updates happen */
if (dei.len >= 1 &&
prev.len < F2FS_MIN_EXTENT_LEN &&
et->largest.len < F2FS_MIN_EXTENT_LEN) {
et->largest.len = 0;
set_inode_flag(F2FS_I(inode), FI_NO_EXTENT);
__drop_largest_extent(inode, 0, UINT_MAX);
set_inode_flag(inode, FI_NO_EXTENT);
}
}
if (is_inode_flag_set(F2FS_I(inode), FI_NO_EXTENT))
if (is_inode_flag_set(inode, FI_NO_EXTENT))
__free_extent_tree(sbi, et);
write_unlock(&et->lock);
@ -627,6 +631,19 @@ unsigned int f2fs_destroy_extent_node(struct inode *inode)
return node_cnt;
}
void f2fs_drop_extent_tree(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct extent_tree *et = F2FS_I(inode)->extent_tree;
set_inode_flag(inode, FI_NO_EXTENT);
write_lock(&et->lock);
__free_extent_tree(sbi, et);
__drop_largest_extent(inode, 0, UINT_MAX);
write_unlock(&et->lock);
}
void f2fs_destroy_extent_tree(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
@ -685,9 +702,7 @@ void f2fs_update_extent_cache(struct dnode_of_data *dn)
fofs = start_bidx_of_node(ofs_of_node(dn->node_page), dn->inode) +
dn->ofs_in_node;
if (f2fs_update_extent_tree_range(dn->inode, fofs, blkaddr, 1))
sync_inode_page(dn);
f2fs_update_extent_tree_range(dn->inode, fofs, blkaddr, 1);
}
void f2fs_update_extent_cache_range(struct dnode_of_data *dn,
@ -697,8 +712,7 @@ void f2fs_update_extent_cache_range(struct dnode_of_data *dn,
if (!f2fs_may_extent_tree(dn->inode))
return;
if (f2fs_update_extent_tree_range(dn->inode, fofs, blkaddr, len))
sync_inode_page(dn);
f2fs_update_extent_tree_range(dn->inode, fofs, blkaddr, len);
}
void init_extent_cache_info(struct f2fs_sb_info *sbi)

290
fs/f2fs/f2fs.h
Просмотреть файл

@ -45,6 +45,7 @@ enum {
FAULT_ORPHAN,
FAULT_BLOCK,
FAULT_DIR_DEPTH,
FAULT_EVICT_INODE,
FAULT_MAX,
};
@ -74,6 +75,8 @@ static inline bool time_to_inject(int type)
return false;
else if (type == FAULT_DIR_DEPTH && !IS_FAULT_SET(type))
return false;
else if (type == FAULT_EVICT_INODE && !IS_FAULT_SET(type))
return false;
atomic_inc(&f2fs_fault.inject_ops);
if (atomic_read(&f2fs_fault.inject_ops) >= f2fs_fault.inject_rate) {
@ -108,6 +111,8 @@ static inline bool time_to_inject(int type)
#define F2FS_MOUNT_FORCE_FG_GC 0x00004000
#define F2FS_MOUNT_DATA_FLUSH 0x00008000
#define F2FS_MOUNT_FAULT_INJECTION 0x00010000
#define F2FS_MOUNT_ADAPTIVE 0x00020000
#define F2FS_MOUNT_LFS 0x00040000
#define clear_opt(sbi, option) (sbi->mount_opt.opt &= ~F2FS_MOUNT_##option)
#define set_opt(sbi, option) (sbi->mount_opt.opt |= F2FS_MOUNT_##option)
@ -128,6 +133,7 @@ struct f2fs_mount_info {
};
#define F2FS_FEATURE_ENCRYPT 0x0001
#define F2FS_FEATURE_HMSMR 0x0002
#define F2FS_HAS_FEATURE(sb, mask) \
((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0)
@ -158,7 +164,7 @@ enum {
#define BATCHED_TRIM_BLOCKS(sbi) \
(BATCHED_TRIM_SEGMENTS(sbi) << (sbi)->log_blocks_per_seg)
#define DEF_CP_INTERVAL 60 /* 60 secs */
#define DEF_IDLE_INTERVAL 120 /* 2 mins */
#define DEF_IDLE_INTERVAL 5 /* 5 secs */
struct cp_control {
int reason;
@ -262,6 +268,8 @@ static inline bool __has_cursum_space(struct f2fs_journal *journal,
#define F2FS_IOC_GARBAGE_COLLECT _IO(F2FS_IOCTL_MAGIC, 6)
#define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7)
#define F2FS_IOC_DEFRAGMENT _IO(F2FS_IOCTL_MAGIC, 8)
#define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \
struct f2fs_move_range)
#define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY
#define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY
@ -291,6 +299,13 @@ struct f2fs_defragment {
u64 len;
};
struct f2fs_move_range {
u32 dst_fd; /* destination fd */
u64 pos_in; /* start position in src_fd */
u64 pos_out; /* start position in dst_fd */
u64 len; /* size to move */
};
/*
* For INODE and NODE manager
*/
@ -441,11 +456,14 @@ struct f2fs_inode_info {
unsigned int clevel; /* maximum level of given file name */
nid_t i_xattr_nid; /* node id that contains xattrs */
unsigned long long xattr_ver; /* cp version of xattr modification */
loff_t last_disk_size; /* lastly written file size */
struct list_head dirty_list; /* linked in global dirty list */
struct list_head dirty_list; /* dirty list for dirs and files */
struct list_head gdirty_list; /* linked in global dirty list */
struct list_head inmem_pages; /* inmemory pages managed by f2fs */
struct mutex inmem_lock; /* lock for inmemory pages */
struct extent_tree *extent_tree; /* cached extent_tree entry */
struct rw_semaphore dio_rwsem[2];/* avoid racing between dio and gc */
};
static inline void get_extent_info(struct extent_info *ext,
@ -498,11 +516,14 @@ static inline bool __is_front_mergeable(struct extent_info *cur,
return __is_extent_mergeable(cur, front);
}
static inline void __try_update_largest_extent(struct extent_tree *et,
struct extent_node *en)
extern void f2fs_mark_inode_dirty_sync(struct inode *);
static inline void __try_update_largest_extent(struct inode *inode,
struct extent_tree *et, struct extent_node *en)
{
if (en->ei.len > et->largest.len)
if (en->ei.len > et->largest.len) {
et->largest = en->ei;
f2fs_mark_inode_dirty_sync(inode);
}
}
struct f2fs_nm_info {
@ -517,7 +538,7 @@ struct f2fs_nm_info {
/* NAT cache management */
struct radix_tree_root nat_root;/* root of the nat entry cache */
struct radix_tree_root nat_set_root;/* root of the nat set cache */
struct rw_semaphore nat_tree_lock; /* protect nat_tree_lock */
struct percpu_rw_semaphore nat_tree_lock; /* protect nat_tree_lock */
struct list_head nat_entries; /* cached nat entry list (clean) */
unsigned int nat_cnt; /* the # of cached nat entries */
unsigned int dirty_nat_cnt; /* total num of nat entries in set */
@ -599,6 +620,7 @@ struct flush_cmd {
struct flush_cmd_control {
struct task_struct *f2fs_issue_flush; /* flush thread */
wait_queue_head_t flush_wait_queue; /* waiting queue for wake-up */
atomic_t submit_flush; /* # of issued flushes */
struct llist_head issue_list; /* list for command issue */
struct llist_node *dispatch_list; /* list for command dispatch */
};
@ -655,6 +677,7 @@ enum count_type {
F2FS_DIRTY_NODES,
F2FS_DIRTY_META,
F2FS_INMEM_PAGES,
F2FS_DIRTY_IMETA,
NR_COUNT_TYPE,
};
@ -706,6 +729,7 @@ struct f2fs_bio_info {
enum inode_type {
DIR_INODE, /* for dirty dir inode */
FILE_INODE, /* for dirty regular/symlink inode */
DIRTY_META, /* for all dirtied inode metadata */
NR_INODE_TYPE,
};
@ -757,14 +781,14 @@ struct f2fs_sb_info {
/* for bio operations */
struct f2fs_bio_info read_io; /* for read bios */
struct f2fs_bio_info write_io[NR_PAGE_TYPE]; /* for write bios */
struct mutex wio_mutex[NODE + 1]; /* bio ordering for NODE/DATA */
/* for checkpoint */
struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */
struct inode *meta_inode; /* cache meta blocks */
struct mutex cp_mutex; /* checkpoint procedure lock */
struct rw_semaphore cp_rwsem; /* blocking FS operations */
struct percpu_rw_semaphore cp_rwsem; /* blocking FS operations */
struct rw_semaphore node_write; /* locking node writes */
struct mutex writepages; /* mutex for writepages() */
wait_queue_head_t cp_wait;
unsigned long last_time[MAX_TIME]; /* to store time in jiffies */
long interval_time[MAX_TIME]; /* to store thresholds */
@ -1050,22 +1074,22 @@ static inline void clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
static inline void f2fs_lock_op(struct f2fs_sb_info *sbi)
{
down_read(&sbi->cp_rwsem);
percpu_down_read(&sbi->cp_rwsem);
}
static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi)
{
up_read(&sbi->cp_rwsem);
percpu_up_read(&sbi->cp_rwsem);
}
static inline void f2fs_lock_all(struct f2fs_sb_info *sbi)
{
down_write(&sbi->cp_rwsem);
percpu_down_write(&sbi->cp_rwsem);
}
static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi)
{
up_write(&sbi->cp_rwsem);
percpu_up_write(&sbi->cp_rwsem);
}
static inline int __get_cp_reason(struct f2fs_sb_info *sbi)
@ -1120,34 +1144,37 @@ static inline bool f2fs_has_xattr_block(unsigned int ofs)
return ofs == XATTR_NODE_OFFSET;
}
static inline void f2fs_i_blocks_write(struct inode *, blkcnt_t, bool);
static inline bool inc_valid_block_count(struct f2fs_sb_info *sbi,
struct inode *inode, blkcnt_t *count)
{
block_t valid_block_count;
blkcnt_t diff;
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(FAULT_BLOCK))
return false;
#endif
/*
* let's increase this in prior to actual block count change in order
* for f2fs_sync_file to avoid data races when deciding checkpoint.
*/
percpu_counter_add(&sbi->alloc_valid_block_count, (*count));
spin_lock(&sbi->stat_lock);
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(FAULT_BLOCK)) {
spin_unlock(&sbi->stat_lock);
return false;
}
#endif
valid_block_count =
sbi->total_valid_block_count + (block_t)(*count);
if (unlikely(valid_block_count > sbi->user_block_count)) {
*count = sbi->user_block_count - sbi->total_valid_block_count;
sbi->total_valid_block_count += (block_t)(*count);
if (unlikely(sbi->total_valid_block_count > sbi->user_block_count)) {
diff = sbi->total_valid_block_count - sbi->user_block_count;
*count -= diff;
sbi->total_valid_block_count = sbi->user_block_count;
if (!*count) {
spin_unlock(&sbi->stat_lock);
percpu_counter_sub(&sbi->alloc_valid_block_count, diff);
return false;
}
}
/* *count can be recalculated */
inode->i_blocks += *count;
sbi->total_valid_block_count =
sbi->total_valid_block_count + (block_t)(*count);
spin_unlock(&sbi->stat_lock);
percpu_counter_add(&sbi->alloc_valid_block_count, (*count));
f2fs_i_blocks_write(inode, *count, true);
return true;
}
@ -1158,9 +1185,9 @@ static inline void dec_valid_block_count(struct f2fs_sb_info *sbi,
spin_lock(&sbi->stat_lock);
f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count);
f2fs_bug_on(sbi, inode->i_blocks < count);
inode->i_blocks -= count;
sbi->total_valid_block_count -= (block_t)count;
spin_unlock(&sbi->stat_lock);
f2fs_i_blocks_write(inode, count, false);
}
static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type)
@ -1295,7 +1322,7 @@ static inline bool inc_valid_node_count(struct f2fs_sb_info *sbi,
}
if (inode)
inode->i_blocks++;
f2fs_i_blocks_write(inode, 1, true);
sbi->total_valid_node_count++;
sbi->total_valid_block_count++;
@ -1314,7 +1341,7 @@ static inline void dec_valid_node_count(struct f2fs_sb_info *sbi,
f2fs_bug_on(sbi, !sbi->total_valid_node_count);
f2fs_bug_on(sbi, !inode->i_blocks);
inode->i_blocks--;
f2fs_i_blocks_write(inode, 1, false);
sbi->total_valid_node_count--;
sbi->total_valid_block_count--;
@ -1511,12 +1538,12 @@ static inline void f2fs_change_bit(unsigned int nr, char *addr)
enum {
FI_NEW_INODE, /* indicate newly allocated inode */
FI_DIRTY_INODE, /* indicate inode is dirty or not */
FI_AUTO_RECOVER, /* indicate inode is recoverable */
FI_DIRTY_DIR, /* indicate directory has dirty pages */
FI_INC_LINK, /* need to increment i_nlink */
FI_ACL_MODE, /* indicate acl mode */
FI_NO_ALLOC, /* should not allocate any blocks */
FI_FREE_NID, /* free allocated nide */
FI_UPDATE_DIR, /* should update inode block for consistency */
FI_NO_EXTENT, /* not to use the extent cache */
FI_INLINE_XATTR, /* used for inline xattr */
FI_INLINE_DATA, /* used for inline data*/
@ -1534,64 +1561,143 @@ enum {
FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */
};
static inline void set_inode_flag(struct f2fs_inode_info *fi, int flag)
static inline void __mark_inode_dirty_flag(struct inode *inode,
int flag, bool set)
{
if (!test_bit(flag, &fi->flags))
set_bit(flag, &fi->flags);
switch (flag) {
case FI_INLINE_XATTR:
case FI_INLINE_DATA:
case FI_INLINE_DENTRY:
if (set)
return;
case FI_DATA_EXIST:
case FI_INLINE_DOTS:
f2fs_mark_inode_dirty_sync(inode);
}
}
static inline int is_inode_flag_set(struct f2fs_inode_info *fi, int flag)
static inline void set_inode_flag(struct inode *inode, int flag)
{
return test_bit(flag, &fi->flags);
if (!test_bit(flag, &F2FS_I(inode)->flags))
set_bit(flag, &F2FS_I(inode)->flags);
__mark_inode_dirty_flag(inode, flag, true);
}
static inline void clear_inode_flag(struct f2fs_inode_info *fi, int flag)
static inline int is_inode_flag_set(struct inode *inode, int flag)
{
if (test_bit(flag, &fi->flags))
clear_bit(flag, &fi->flags);
return test_bit(flag, &F2FS_I(inode)->flags);
}
static inline void set_acl_inode(struct f2fs_inode_info *fi, umode_t mode)
static inline void clear_inode_flag(struct inode *inode, int flag)
{
fi->i_acl_mode = mode;
set_inode_flag(fi, FI_ACL_MODE);
if (test_bit(flag, &F2FS_I(inode)->flags))
clear_bit(flag, &F2FS_I(inode)->flags);
__mark_inode_dirty_flag(inode, flag, false);
}
static inline void get_inline_info(struct f2fs_inode_info *fi,
struct f2fs_inode *ri)
static inline void set_acl_inode(struct inode *inode, umode_t mode)
{
F2FS_I(inode)->i_acl_mode = mode;
set_inode_flag(inode, FI_ACL_MODE);
f2fs_mark_inode_dirty_sync(inode);
}
static inline void f2fs_i_links_write(struct inode *inode, bool inc)
{
if (inc)
inc_nlink(inode);
else
drop_nlink(inode);
f2fs_mark_inode_dirty_sync(inode);
}
static inline void f2fs_i_blocks_write(struct inode *inode,
blkcnt_t diff, bool add)
{
bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE);
bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER);
inode->i_blocks = add ? inode->i_blocks + diff :
inode->i_blocks - diff;
f2fs_mark_inode_dirty_sync(inode);
if (clean || recover)
set_inode_flag(inode, FI_AUTO_RECOVER);
}
static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size)
{
bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE);
bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER);
if (i_size_read(inode) == i_size)
return;
i_size_write(inode, i_size);
f2fs_mark_inode_dirty_sync(inode);
if (clean || recover)
set_inode_flag(inode, FI_AUTO_RECOVER);
}
static inline bool f2fs_skip_inode_update(struct inode *inode)
{
if (!is_inode_flag_set(inode, FI_AUTO_RECOVER))
return false;
return F2FS_I(inode)->last_disk_size == i_size_read(inode);
}
static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth)
{
F2FS_I(inode)->i_current_depth = depth;
f2fs_mark_inode_dirty_sync(inode);
}
static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid)
{
F2FS_I(inode)->i_xattr_nid = xnid;
f2fs_mark_inode_dirty_sync(inode);
}
static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino)
{
F2FS_I(inode)->i_pino = pino;
f2fs_mark_inode_dirty_sync(inode);
}
static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri)
{
struct f2fs_inode_info *fi = F2FS_I(inode);
if (ri->i_inline & F2FS_INLINE_XATTR)
set_inode_flag(fi, FI_INLINE_XATTR);
set_bit(FI_INLINE_XATTR, &fi->flags);
if (ri->i_inline & F2FS_INLINE_DATA)
set_inode_flag(fi, FI_INLINE_DATA);
set_bit(FI_INLINE_DATA, &fi->flags);
if (ri->i_inline & F2FS_INLINE_DENTRY)
set_inode_flag(fi, FI_INLINE_DENTRY);
set_bit(FI_INLINE_DENTRY, &fi->flags);
if (ri->i_inline & F2FS_DATA_EXIST)
set_inode_flag(fi, FI_DATA_EXIST);
set_bit(FI_DATA_EXIST, &fi->flags);
if (ri->i_inline & F2FS_INLINE_DOTS)
set_inode_flag(fi, FI_INLINE_DOTS);
set_bit(FI_INLINE_DOTS, &fi->flags);
}
static inline void set_raw_inline(struct f2fs_inode_info *fi,
struct f2fs_inode *ri)
static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri)
{
ri->i_inline = 0;
if (is_inode_flag_set(fi, FI_INLINE_XATTR))
if (is_inode_flag_set(inode, FI_INLINE_XATTR))
ri->i_inline |= F2FS_INLINE_XATTR;
if (is_inode_flag_set(fi, FI_INLINE_DATA))
if (is_inode_flag_set(inode, FI_INLINE_DATA))
ri->i_inline |= F2FS_INLINE_DATA;
if (is_inode_flag_set(fi, FI_INLINE_DENTRY))
if (is_inode_flag_set(inode, FI_INLINE_DENTRY))
ri->i_inline |= F2FS_INLINE_DENTRY;
if (is_inode_flag_set(fi, FI_DATA_EXIST))
if (is_inode_flag_set(inode, FI_DATA_EXIST))
ri->i_inline |= F2FS_DATA_EXIST;
if (is_inode_flag_set(fi, FI_INLINE_DOTS))
if (is_inode_flag_set(inode, FI_INLINE_DOTS))
ri->i_inline |= F2FS_INLINE_DOTS;
}
static inline int f2fs_has_inline_xattr(struct inode *inode)
{
return is_inode_flag_set(F2FS_I(inode), FI_INLINE_XATTR);
return is_inode_flag_set(inode, FI_INLINE_XATTR);
}
static inline unsigned int addrs_per_inode(struct inode *inode)
@ -1618,43 +1724,43 @@ static inline int inline_xattr_size(struct inode *inode)
static inline int f2fs_has_inline_data(struct inode *inode)
{
return is_inode_flag_set(F2FS_I(inode), FI_INLINE_DATA);
return is_inode_flag_set(inode, FI_INLINE_DATA);
}
static inline void f2fs_clear_inline_inode(struct inode *inode)
{
clear_inode_flag(F2FS_I(inode), FI_INLINE_DATA);
clear_inode_flag(F2FS_I(inode), FI_DATA_EXIST);
clear_inode_flag(inode, FI_INLINE_DATA);
clear_inode_flag(inode, FI_DATA_EXIST);
}
static inline int f2fs_exist_data(struct inode *inode)
{
return is_inode_flag_set(F2FS_I(inode), FI_DATA_EXIST);
return is_inode_flag_set(inode, FI_DATA_EXIST);
}
static inline int f2fs_has_inline_dots(struct inode *inode)
{
return is_inode_flag_set(F2FS_I(inode), FI_INLINE_DOTS);
return is_inode_flag_set(inode, FI_INLINE_DOTS);
}
static inline bool f2fs_is_atomic_file(struct inode *inode)
{
return is_inode_flag_set(F2FS_I(inode), FI_ATOMIC_FILE);
return is_inode_flag_set(inode, FI_ATOMIC_FILE);
}
static inline bool f2fs_is_volatile_file(struct inode *inode)
{
return is_inode_flag_set(F2FS_I(inode), FI_VOLATILE_FILE);
return is_inode_flag_set(inode, FI_VOLATILE_FILE);
}
static inline bool f2fs_is_first_block_written(struct inode *inode)
{
return is_inode_flag_set(F2FS_I(inode), FI_FIRST_BLOCK_WRITTEN);
return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN);
}
static inline bool f2fs_is_drop_cache(struct inode *inode)
{
return is_inode_flag_set(F2FS_I(inode), FI_DROP_CACHE);
return is_inode_flag_set(inode, FI_DROP_CACHE);
}
static inline void *inline_data_addr(struct page *page)
@ -1665,7 +1771,7 @@ static inline void *inline_data_addr(struct page *page)
static inline int f2fs_has_inline_dentry(struct inode *inode)
{
return is_inode_flag_set(F2FS_I(inode), FI_INLINE_DENTRY);
return is_inode_flag_set(inode, FI_INLINE_DENTRY);
}
static inline void f2fs_dentry_kunmap(struct inode *dir, struct page *page)
@ -1682,11 +1788,13 @@ static inline int is_file(struct inode *inode, int type)
static inline void set_file(struct inode *inode, int type)
{
F2FS_I(inode)->i_advise |= type;
f2fs_mark_inode_dirty_sync(inode);
}
static inline void clear_file(struct inode *inode, int type)
{
F2FS_I(inode)->i_advise &= ~type;
f2fs_mark_inode_dirty_sync(inode);
}
static inline int f2fs_readonly(struct super_block *sb)
@ -1713,7 +1821,7 @@ static inline bool is_dot_dotdot(const struct qstr *str)
static inline bool f2fs_may_extent_tree(struct inode *inode)
{
if (!test_opt(F2FS_I_SB(inode), EXTENT_CACHE) ||
is_inode_flag_set(F2FS_I(inode), FI_NO_EXTENT))
is_inode_flag_set(inode, FI_NO_EXTENT))
return false;
return S_ISREG(inode->i_mode);
@ -1749,7 +1857,7 @@ static inline void *f2fs_kvzalloc(size_t size, gfp_t flags)
}
#define get_inode_mode(i) \
((is_inode_flag_set(F2FS_I(i), FI_ACL_MODE)) ? \
((is_inode_flag_set(i, FI_ACL_MODE)) ? \
(F2FS_I(i)->i_acl_mode) : ((i)->i_mode))
/* get offset of first page in next direct node */
@ -1764,7 +1872,7 @@ static inline void *f2fs_kvzalloc(size_t size, gfp_t flags)
int f2fs_sync_file(struct file *, loff_t, loff_t, int);
void truncate_data_blocks(struct dnode_of_data *);
int truncate_blocks(struct inode *, u64, bool);
int f2fs_truncate(struct inode *, bool);
int f2fs_truncate(struct inode *);
int f2fs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
int f2fs_setattr(struct dentry *, struct iattr *);
int truncate_hole(struct inode *, pgoff_t, pgoff_t);
@ -1805,11 +1913,11 @@ struct page *init_inode_metadata(struct inode *, struct inode *,
const struct qstr *, struct page *);
void update_parent_metadata(struct inode *, struct inode *, unsigned int);
int room_for_filename(const void *, int, int);
void f2fs_drop_nlink(struct inode *, struct inode *, struct page *);
void f2fs_drop_nlink(struct inode *, struct inode *);
struct f2fs_dir_entry *f2fs_find_entry(struct inode *, struct qstr *,
struct page **);
struct f2fs_dir_entry *f2fs_parent_dir(struct inode *, struct page **);
ino_t f2fs_inode_by_name(struct inode *, struct qstr *);
ino_t f2fs_inode_by_name(struct inode *, struct qstr *, struct page **);
void f2fs_set_link(struct inode *, struct f2fs_dir_entry *,
struct page *, struct inode *);
int update_dent_inode(struct inode *, struct inode *, const struct qstr *);
@ -1833,6 +1941,8 @@ static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode)
/*
* super.c
*/
int f2fs_inode_dirtied(struct inode *);
void f2fs_inode_synced(struct inode *);
int f2fs_commit_super(struct f2fs_sb_info *, bool);
int f2fs_sync_fs(struct super_block *, int);
extern __printf(3, 4)
@ -1866,11 +1976,11 @@ struct page *new_node_page(struct dnode_of_data *, unsigned int, struct page *);
void ra_node_page(struct f2fs_sb_info *, nid_t);
struct page *get_node_page(struct f2fs_sb_info *, pgoff_t);
struct page *get_node_page_ra(struct page *, int);
void sync_inode_page(struct dnode_of_data *);
void move_node_page(struct page *, int);
int fsync_node_pages(struct f2fs_sb_info *, nid_t, struct writeback_control *,
bool);
int fsync_node_pages(struct f2fs_sb_info *, struct inode *,
struct writeback_control *, bool);
int sync_node_pages(struct f2fs_sb_info *, struct writeback_control *);
void build_free_nids(struct f2fs_sb_info *);
bool alloc_nid(struct f2fs_sb_info *, nid_t *);
void alloc_nid_done(struct f2fs_sb_info *, nid_t);
void alloc_nid_failed(struct f2fs_sb_info *, nid_t);
@ -1944,9 +2054,10 @@ void add_ino_entry(struct f2fs_sb_info *, nid_t, int type);
void remove_ino_entry(struct f2fs_sb_info *, nid_t, int type);
void release_ino_entry(struct f2fs_sb_info *, bool);
bool exist_written_data(struct f2fs_sb_info *, nid_t, int);
int f2fs_sync_inode_meta(struct f2fs_sb_info *);
int acquire_orphan_inode(struct f2fs_sb_info *);
void release_orphan_inode(struct f2fs_sb_info *);
void add_orphan_inode(struct f2fs_sb_info *, nid_t);
void add_orphan_inode(struct inode *);
void remove_orphan_inode(struct f2fs_sb_info *, nid_t);
int recover_orphan_inodes(struct f2fs_sb_info *);
int get_valid_checkpoint(struct f2fs_sb_info *);
@ -1981,6 +2092,7 @@ struct page *get_new_data_page(struct inode *, struct page *, pgoff_t, bool);
int do_write_data_page(struct f2fs_io_info *);
int f2fs_map_blocks(struct inode *, struct f2fs_map_blocks *, int, int);
int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *, u64, u64);
void f2fs_set_page_dirty_nobuffers(struct page *);
void f2fs_invalidate_page(struct page *, unsigned int, unsigned int);
int f2fs_release_page(struct page *, gfp_t);
@ -2012,7 +2124,7 @@ struct f2fs_stat_info {
unsigned long long hit_total, total_ext;
int ext_tree, zombie_tree, ext_node;
s64 ndirty_node, ndirty_dent, ndirty_meta, ndirty_data, inmem_pages;
unsigned int ndirty_dirs, ndirty_files;
unsigned int ndirty_dirs, ndirty_files, ndirty_all;
int nats, dirty_nats, sits, dirty_sits, fnids;
int total_count, utilization;
int bg_gc, wb_bios;
@ -2181,7 +2293,6 @@ int f2fs_write_inline_data(struct inode *, struct page *);
bool recover_inline_data(struct inode *, struct page *);
struct f2fs_dir_entry *find_in_inline_dir(struct inode *,
struct fscrypt_name *, struct page **);
struct f2fs_dir_entry *f2fs_parent_inline_dir(struct inode *, struct page **);
int make_empty_inline_dir(struct inode *inode, struct inode *, struct page *);
int f2fs_add_inline_entry(struct inode *, const struct qstr *, struct inode *,
nid_t, umode_t);
@ -2206,6 +2317,7 @@ void f2fs_leave_shrinker(struct f2fs_sb_info *);
*/
unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *, int);
bool f2fs_init_extent_tree(struct inode *, struct f2fs_extent *);
void f2fs_drop_extent_tree(struct inode *);
unsigned int f2fs_destroy_extent_node(struct inode *);
void f2fs_destroy_extent_tree(struct inode *);
bool f2fs_lookup_extent_cache(struct inode *, pgoff_t, struct extent_info *);
@ -2241,6 +2353,26 @@ static inline int f2fs_sb_has_crypto(struct super_block *sb)
return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_ENCRYPT);
}
static inline int f2fs_sb_mounted_hmsmr(struct super_block *sb)
{
return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_HMSMR);
}
static inline void set_opt_mode(struct f2fs_sb_info *sbi, unsigned int mt)
{
clear_opt(sbi, ADAPTIVE);
clear_opt(sbi, LFS);
switch (mt) {
case F2FS_MOUNT_ADAPTIVE:
set_opt(sbi, ADAPTIVE);
break;
case F2FS_MOUNT_LFS:
set_opt(sbi, LFS);
break;
}
}
static inline bool f2fs_may_encrypt(struct inode *inode)
{
#ifdef CONFIG_F2FS_FS_ENCRYPTION

501
fs/f2fs/file.c
Просмотреть файл

@ -21,6 +21,7 @@
#include <linux/mount.h>
#include <linux/pagevec.h>
#include <linux/uuid.h>
#include <linux/file.h>
#include "f2fs.h"
#include "node.h"
@ -81,7 +82,8 @@ static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma,
zero_user_segment(page, offset, PAGE_SIZE);
}
set_page_dirty(page);
SetPageUptodate(page);
if (!PageUptodate(page))
SetPageUptodate(page);
trace_f2fs_vm_page_mkwrite(page, DATA);
mapped:
@ -171,22 +173,16 @@ static void try_to_fix_pino(struct inode *inode)
fi->xattr_ver = 0;
if (file_wrong_pino(inode) && inode->i_nlink == 1 &&
get_parent_ino(inode, &pino)) {
fi->i_pino = pino;
f2fs_i_pino_write(inode, pino);
file_got_pino(inode);
up_write(&fi->i_sem);
mark_inode_dirty_sync(inode);
f2fs_write_inode(inode, NULL);
} else {
up_write(&fi->i_sem);
}
up_write(&fi->i_sem);
}
static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end,
int datasync, bool atomic)
{
struct inode *inode = file->f_mapping->host;
struct f2fs_inode_info *fi = F2FS_I(inode);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
nid_t ino = inode->i_ino;
int ret = 0;
@ -204,9 +200,9 @@ static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end,
/* if fdatasync is triggered, let's do in-place-update */
if (datasync || get_dirty_pages(inode) <= SM_I(sbi)->min_fsync_blocks)
set_inode_flag(fi, FI_NEED_IPU);
set_inode_flag(inode, FI_NEED_IPU);
ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
clear_inode_flag(fi, FI_NEED_IPU);
clear_inode_flag(inode, FI_NEED_IPU);
if (ret) {
trace_f2fs_sync_file_exit(inode, need_cp, datasync, ret);
@ -214,7 +210,7 @@ static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end,
}
/* if the inode is dirty, let's recover all the time */
if (!datasync) {
if (!datasync && !f2fs_skip_inode_update(inode)) {
f2fs_write_inode(inode, NULL);
goto go_write;
}
@ -222,14 +218,14 @@ static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end,
/*
* if there is no written data, don't waste time to write recovery info.
*/
if (!is_inode_flag_set(fi, FI_APPEND_WRITE) &&
if (!is_inode_flag_set(inode, FI_APPEND_WRITE) &&
!exist_written_data(sbi, ino, APPEND_INO)) {
/* it may call write_inode just prior to fsync */
if (need_inode_page_update(sbi, ino))
goto go_write;
if (is_inode_flag_set(fi, FI_UPDATE_WRITE) ||
if (is_inode_flag_set(inode, FI_UPDATE_WRITE) ||
exist_written_data(sbi, ino, UPDATE_INO))
goto flush_out;
goto out;
@ -239,9 +235,9 @@ go_write:
* Both of fdatasync() and fsync() are able to be recovered from
* sudden-power-off.
*/
down_read(&fi->i_sem);
down_read(&F2FS_I(inode)->i_sem);
need_cp = need_do_checkpoint(inode);
up_read(&fi->i_sem);
up_read(&F2FS_I(inode)->i_sem);
if (need_cp) {
/* all the dirty node pages should be flushed for POR */
@ -252,12 +248,12 @@ go_write:
* will be used only for fsynced inodes after checkpoint.
*/
try_to_fix_pino(inode);
clear_inode_flag(fi, FI_APPEND_WRITE);
clear_inode_flag(fi, FI_UPDATE_WRITE);
clear_inode_flag(inode, FI_APPEND_WRITE);
clear_inode_flag(inode, FI_UPDATE_WRITE);
goto out;
}
sync_nodes:
ret = fsync_node_pages(sbi, ino, &wbc, atomic);
ret = fsync_node_pages(sbi, inode, &wbc, atomic);
if (ret)
goto out;
@ -268,7 +264,7 @@ sync_nodes:
}
if (need_inode_block_update(sbi, ino)) {
mark_inode_dirty_sync(inode);
f2fs_mark_inode_dirty_sync(inode);
f2fs_write_inode(inode, NULL);
goto sync_nodes;
}
@ -279,10 +275,10 @@ sync_nodes:
/* once recovery info is written, don't need to tack this */
remove_ino_entry(sbi, ino, APPEND_INO);
clear_inode_flag(fi, FI_APPEND_WRITE);
clear_inode_flag(inode, FI_APPEND_WRITE);
flush_out:
remove_ino_entry(sbi, ino, UPDATE_INO);
clear_inode_flag(fi, FI_UPDATE_WRITE);
clear_inode_flag(inode, FI_UPDATE_WRITE);
ret = f2fs_issue_flush(sbi);
f2fs_update_time(sbi, REQ_TIME);
out:
@ -360,7 +356,7 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence)
for (; data_ofs < isize; data_ofs = (loff_t)pgofs << PAGE_SHIFT) {
set_new_dnode(&dn, inode, NULL, NULL, 0);
err = get_dnode_of_data(&dn, pgofs, LOOKUP_NODE_RA);
err = get_dnode_of_data(&dn, pgofs, LOOKUP_NODE);
if (err && err != -ENOENT) {
goto fail;
} else if (err == -ENOENT) {
@ -487,8 +483,7 @@ int truncate_data_blocks_range(struct dnode_of_data *dn, int count)
set_data_blkaddr(dn);
invalidate_blocks(sbi, blkaddr);
if (dn->ofs_in_node == 0 && IS_INODE(dn->node_page))
clear_inode_flag(F2FS_I(dn->inode),
FI_FIRST_BLOCK_WRITTEN);
clear_inode_flag(dn->inode, FI_FIRST_BLOCK_WRITTEN);
nr_free++;
}
@ -502,7 +497,6 @@ int truncate_data_blocks_range(struct dnode_of_data *dn, int count)
dn->inode) + ofs;
f2fs_update_extent_cache_range(dn, fofs, 0, len);
dec_valid_block_count(sbi, dn->inode, nr_free);
sync_inode_page(dn);
}
dn->ofs_in_node = ofs;
@ -616,7 +610,7 @@ free_partial:
return err;
}
int f2fs_truncate(struct inode *inode, bool lock)
int f2fs_truncate(struct inode *inode)
{
int err;
@ -633,12 +627,12 @@ int f2fs_truncate(struct inode *inode, bool lock)
return err;
}
err = truncate_blocks(inode, i_size_read(inode), lock);
err = truncate_blocks(inode, i_size_read(inode), true);
if (err)
return err;
inode->i_mtime = inode->i_ctime = CURRENT_TIME;
mark_inode_dirty(inode);
f2fs_mark_inode_dirty_sync(inode);
return 0;
}
@ -654,7 +648,6 @@ int f2fs_getattr(struct vfsmount *mnt,
#ifdef CONFIG_F2FS_FS_POSIX_ACL
static void __setattr_copy(struct inode *inode, const struct iattr *attr)
{
struct f2fs_inode_info *fi = F2FS_I(inode);
unsigned int ia_valid = attr->ia_valid;
if (ia_valid & ATTR_UID)
@ -675,7 +668,7 @@ static void __setattr_copy(struct inode *inode, const struct iattr *attr)
if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID))
mode &= ~S_ISGID;
set_acl_inode(fi, mode);
set_acl_inode(inode, mode);
}
}
#else
@ -685,7 +678,6 @@ static void __setattr_copy(struct inode *inode, const struct iattr *attr)
int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
struct f2fs_inode_info *fi = F2FS_I(inode);
int err;
err = inode_change_ok(inode, attr);
@ -699,7 +691,7 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
if (attr->ia_size <= i_size_read(inode)) {
truncate_setsize(inode, attr->ia_size);
err = f2fs_truncate(inode, true);
err = f2fs_truncate(inode);
if (err)
return err;
f2fs_balance_fs(F2FS_I_SB(inode), true);
@ -724,13 +716,13 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
if (attr->ia_valid & ATTR_MODE) {
err = posix_acl_chmod(inode, get_inode_mode(inode));
if (err || is_inode_flag_set(fi, FI_ACL_MODE)) {
inode->i_mode = fi->i_acl_mode;
clear_inode_flag(fi, FI_ACL_MODE);
if (err || is_inode_flag_set(inode, FI_ACL_MODE)) {
inode->i_mode = F2FS_I(inode)->i_acl_mode;
clear_inode_flag(inode, FI_ACL_MODE);
}
}
mark_inode_dirty(inode);
f2fs_mark_inode_dirty_sync(inode);
return err;
}
@ -859,79 +851,199 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len)
return ret;
}
static int __exchange_data_block(struct inode *inode, pgoff_t src,
pgoff_t dst, bool full)
static int __read_out_blkaddrs(struct inode *inode, block_t *blkaddr,
int *do_replace, pgoff_t off, pgoff_t len)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct dnode_of_data dn;
block_t new_addr;
bool do_replace = false;
int ret;
int ret, done, i;
next_dnode:
set_new_dnode(&dn, inode, NULL, NULL, 0);
ret = get_dnode_of_data(&dn, src, LOOKUP_NODE_RA);
ret = get_dnode_of_data(&dn, off, LOOKUP_NODE_RA);
if (ret && ret != -ENOENT) {
return ret;
} else if (ret == -ENOENT) {
new_addr = NULL_ADDR;
} else {
new_addr = dn.data_blkaddr;
if (!is_checkpointed_data(sbi, new_addr)) {
if (dn.max_level == 0)
return -ENOENT;
done = min((pgoff_t)ADDRS_PER_BLOCK - dn.ofs_in_node, len);
blkaddr += done;
do_replace += done;
goto next;
}
done = min((pgoff_t)ADDRS_PER_PAGE(dn.node_page, inode) -
dn.ofs_in_node, len);
for (i = 0; i < done; i++, blkaddr++, do_replace++, dn.ofs_in_node++) {
*blkaddr = datablock_addr(dn.node_page, dn.ofs_in_node);
if (!is_checkpointed_data(sbi, *blkaddr)) {
if (test_opt(sbi, LFS)) {
f2fs_put_dnode(&dn);
return -ENOTSUPP;
}
/* do not invalidate this block address */
f2fs_update_data_blkaddr(&dn, NULL_ADDR);
do_replace = true;
*do_replace = 1;
}
}
f2fs_put_dnode(&dn);
next:
len -= done;
off += done;
if (len)
goto next_dnode;
return 0;
}
static int __roll_back_blkaddrs(struct inode *inode, block_t *blkaddr,
int *do_replace, pgoff_t off, int len)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct dnode_of_data dn;
int ret, i;
for (i = 0; i < len; i++, do_replace++, blkaddr++) {
if (*do_replace == 0)
continue;
set_new_dnode(&dn, inode, NULL, NULL, 0);
ret = get_dnode_of_data(&dn, off + i, LOOKUP_NODE_RA);
if (ret) {
dec_valid_block_count(sbi, inode, 1);
invalidate_blocks(sbi, *blkaddr);
} else {
f2fs_update_data_blkaddr(&dn, *blkaddr);
}
f2fs_put_dnode(&dn);
}
return 0;
}
if (new_addr == NULL_ADDR)
return full ? truncate_hole(inode, dst, dst + 1) : 0;
static int __clone_blkaddrs(struct inode *src_inode, struct inode *dst_inode,
block_t *blkaddr, int *do_replace,
pgoff_t src, pgoff_t dst, pgoff_t len, bool full)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(src_inode);
pgoff_t i = 0;
int ret;
if (do_replace) {
struct page *ipage = get_node_page(sbi, inode->i_ino);
struct node_info ni;
if (IS_ERR(ipage)) {
ret = PTR_ERR(ipage);
goto err_out;
while (i < len) {
if (blkaddr[i] == NULL_ADDR && !full) {
i++;
continue;
}
set_new_dnode(&dn, inode, ipage, NULL, 0);
ret = f2fs_reserve_block(&dn, dst);
if (ret)
goto err_out;
if (do_replace[i] || blkaddr[i] == NULL_ADDR) {
struct dnode_of_data dn;
struct node_info ni;
size_t new_size;
pgoff_t ilen;
truncate_data_blocks_range(&dn, 1);
set_new_dnode(&dn, dst_inode, NULL, NULL, 0);
ret = get_dnode_of_data(&dn, dst + i, ALLOC_NODE);
if (ret)
return ret;
get_node_info(sbi, dn.nid, &ni);
f2fs_replace_block(sbi, &dn, dn.data_blkaddr, new_addr,
ni.version, true, false);
f2fs_put_dnode(&dn);
} else {
struct page *psrc, *pdst;
get_node_info(sbi, dn.nid, &ni);
ilen = min((pgoff_t)
ADDRS_PER_PAGE(dn.node_page, dst_inode) -
dn.ofs_in_node, len - i);
do {
dn.data_blkaddr = datablock_addr(dn.node_page,
dn.ofs_in_node);
truncate_data_blocks_range(&dn, 1);
psrc = get_lock_data_page(inode, src, true);
if (IS_ERR(psrc))
return PTR_ERR(psrc);
pdst = get_new_data_page(inode, NULL, dst, true);
if (IS_ERR(pdst)) {
if (do_replace[i]) {
f2fs_i_blocks_write(src_inode,
1, false);
f2fs_i_blocks_write(dst_inode,
1, true);
f2fs_replace_block(sbi, &dn, dn.data_blkaddr,
blkaddr[i], ni.version, true, false);
do_replace[i] = 0;
}
dn.ofs_in_node++;
i++;
new_size = (dst + i) << PAGE_SHIFT;
if (dst_inode->i_size < new_size)
f2fs_i_size_write(dst_inode, new_size);
} while ((do_replace[i] || blkaddr[i] == NULL_ADDR) && --ilen);
f2fs_put_dnode(&dn);
} else {
struct page *psrc, *pdst;
psrc = get_lock_data_page(src_inode, src + i, true);
if (IS_ERR(psrc))
return PTR_ERR(psrc);
pdst = get_new_data_page(dst_inode, NULL, dst + i,
true);
if (IS_ERR(pdst)) {
f2fs_put_page(psrc, 1);
return PTR_ERR(pdst);
}
f2fs_copy_page(psrc, pdst);
set_page_dirty(pdst);
f2fs_put_page(pdst, 1);
f2fs_put_page(psrc, 1);
return PTR_ERR(pdst);
}
f2fs_copy_page(psrc, pdst);
set_page_dirty(pdst);
f2fs_put_page(pdst, 1);
f2fs_put_page(psrc, 1);
return truncate_hole(inode, src, src + 1);
ret = truncate_hole(src_inode, src + i, src + i + 1);
if (ret)
return ret;
i++;
}
}
return 0;
}
static int __exchange_data_block(struct inode *src_inode,
struct inode *dst_inode, pgoff_t src, pgoff_t dst,
pgoff_t len, bool full)
{
block_t *src_blkaddr;
int *do_replace;
pgoff_t olen;
int ret;
while (len) {
olen = min((pgoff_t)4 * ADDRS_PER_BLOCK, len);
src_blkaddr = f2fs_kvzalloc(sizeof(block_t) * olen, GFP_KERNEL);
if (!src_blkaddr)
return -ENOMEM;
do_replace = f2fs_kvzalloc(sizeof(int) * olen, GFP_KERNEL);
if (!do_replace) {
kvfree(src_blkaddr);
return -ENOMEM;
}
ret = __read_out_blkaddrs(src_inode, src_blkaddr,
do_replace, src, olen);
if (ret)
goto roll_back;
ret = __clone_blkaddrs(src_inode, dst_inode, src_blkaddr,
do_replace, src, dst, olen, full);
if (ret)
goto roll_back;
src += olen;
dst += olen;
len -= olen;
kvfree(src_blkaddr);
kvfree(do_replace);
}
return 0;
err_out:
if (!get_dnode_of_data(&dn, src, LOOKUP_NODE)) {
f2fs_update_data_blkaddr(&dn, new_addr);
f2fs_put_dnode(&dn);
}
roll_back:
__roll_back_blkaddrs(src_inode, src_blkaddr, do_replace, src, len);
kvfree(src_blkaddr);
kvfree(do_replace);
return ret;
}
@ -939,16 +1051,15 @@ static int f2fs_do_collapse(struct inode *inode, pgoff_t start, pgoff_t end)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
pgoff_t nrpages = (i_size_read(inode) + PAGE_SIZE - 1) / PAGE_SIZE;
int ret = 0;
int ret;
for (; end < nrpages; start++, end++) {
f2fs_balance_fs(sbi, true);
f2fs_lock_op(sbi);
ret = __exchange_data_block(inode, end, start, true);
f2fs_unlock_op(sbi);
if (ret)
break;
}
f2fs_balance_fs(sbi, true);
f2fs_lock_op(sbi);
f2fs_drop_extent_tree(inode);
ret = __exchange_data_block(inode, inode, end, start, nrpages - end, true);
f2fs_unlock_op(sbi);
return ret;
}
@ -992,7 +1103,7 @@ static int f2fs_collapse_range(struct inode *inode, loff_t offset, loff_t len)
ret = truncate_blocks(inode, new_size, true);
if (!ret)
i_size_write(inode, new_size);
f2fs_i_size_write(inode, new_size);
return ret;
}
@ -1128,11 +1239,8 @@ static int f2fs_zero_range(struct inode *inode, loff_t offset, loff_t len,
}
out:
if (!(mode & FALLOC_FL_KEEP_SIZE) && i_size_read(inode) < new_size) {
i_size_write(inode, new_size);
mark_inode_dirty(inode);
update_inode_page(inode);
}
if (!(mode & FALLOC_FL_KEEP_SIZE) && i_size_read(inode) < new_size)
f2fs_i_size_write(inode, new_size);
return ret;
}
@ -1140,7 +1248,7 @@ out:
static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
pgoff_t pg_start, pg_end, delta, nrpages, idx;
pgoff_t nr, pg_start, pg_end, delta, idx;
loff_t new_size;
int ret = 0;
@ -1175,14 +1283,20 @@ static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len)
pg_start = offset >> PAGE_SHIFT;
pg_end = (offset + len) >> PAGE_SHIFT;
delta = pg_end - pg_start;
nrpages = (i_size_read(inode) + PAGE_SIZE - 1) / PAGE_SIZE;
idx = (i_size_read(inode) + PAGE_SIZE - 1) / PAGE_SIZE;
while (!ret && idx > pg_start) {
nr = idx - pg_start;
if (nr > delta)
nr = delta;
idx -= nr;
for (idx = nrpages - 1; idx >= pg_start && idx != -1; idx--) {
f2fs_lock_op(sbi);
ret = __exchange_data_block(inode, idx, idx + delta, false);
f2fs_drop_extent_tree(inode);
ret = __exchange_data_block(inode, inode, idx,
idx + delta, nr, false);
f2fs_unlock_op(sbi);
if (ret)
break;
}
/* write out all moved pages, if possible */
@ -1190,7 +1304,7 @@ static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len)
truncate_pagecache(inode, offset);
if (!ret)
i_size_write(inode, new_size);
f2fs_i_size_write(inode, new_size);
return ret;
}
@ -1238,11 +1352,8 @@ static int expand_inode_data(struct inode *inode, loff_t offset,
new_size = ((loff_t)pg_end << PAGE_SHIFT) + off_end;
}
if (!(mode & FALLOC_FL_KEEP_SIZE) && i_size_read(inode) < new_size) {
i_size_write(inode, new_size);
mark_inode_dirty(inode);
update_inode_page(inode);
}
if (!(mode & FALLOC_FL_KEEP_SIZE) && i_size_read(inode) < new_size)
f2fs_i_size_write(inode, new_size);
return ret;
}
@ -1285,7 +1396,7 @@ static long f2fs_fallocate(struct file *file, int mode,
if (!ret) {
inode->i_mtime = inode->i_ctime = CURRENT_TIME;
mark_inode_dirty(inode);
f2fs_mark_inode_dirty_sync(inode);
f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
}
@ -1310,10 +1421,10 @@ static int f2fs_release_file(struct inode *inode, struct file *filp)
if (f2fs_is_atomic_file(inode))
drop_inmem_pages(inode);
if (f2fs_is_volatile_file(inode)) {
clear_inode_flag(F2FS_I(inode), FI_VOLATILE_FILE);
set_inode_flag(F2FS_I(inode), FI_DROP_CACHE);
clear_inode_flag(inode, FI_VOLATILE_FILE);
set_inode_flag(inode, FI_DROP_CACHE);
filemap_fdatawrite(inode->i_mapping);
clear_inode_flag(F2FS_I(inode), FI_DROP_CACHE);
clear_inode_flag(inode, FI_DROP_CACHE);
}
return 0;
}
@ -1376,9 +1487,8 @@ static int f2fs_ioc_setflags(struct file *filp, unsigned long arg)
fi->i_flags = flags;
inode_unlock(inode);
f2fs_set_inode_flags(inode);
inode->i_ctime = CURRENT_TIME;
mark_inode_dirty(inode);
f2fs_set_inode_flags(inode);
out:
mnt_drop_write_file(filp);
return ret;
@ -1412,7 +1522,7 @@ static int f2fs_ioc_start_atomic_write(struct file *filp)
if (ret)
goto out;
set_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
set_inode_flag(inode, FI_ATOMIC_FILE);
f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
if (!get_dirty_pages(inode))
@ -1423,7 +1533,7 @@ static int f2fs_ioc_start_atomic_write(struct file *filp)
inode->i_ino, get_dirty_pages(inode));
ret = filemap_write_and_wait_range(inode->i_mapping, 0, LLONG_MAX);
if (ret)
clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
clear_inode_flag(inode, FI_ATOMIC_FILE);
out:
inode_unlock(inode);
mnt_drop_write_file(filp);
@ -1448,10 +1558,10 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp)
goto err_out;
if (f2fs_is_atomic_file(inode)) {
clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
clear_inode_flag(inode, FI_ATOMIC_FILE);
ret = commit_inmem_pages(inode);
if (ret) {
set_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
set_inode_flag(inode, FI_ATOMIC_FILE);
goto err_out;
}
}
@ -1484,7 +1594,7 @@ static int f2fs_ioc_start_volatile_write(struct file *filp)
if (ret)
goto out;
set_inode_flag(F2FS_I(inode), FI_VOLATILE_FILE);
set_inode_flag(inode, FI_VOLATILE_FILE);
f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
out:
inode_unlock(inode);
@ -1538,7 +1648,7 @@ static int f2fs_ioc_abort_volatile_write(struct file *filp)
if (f2fs_is_atomic_file(inode))
drop_inmem_pages(inode);
if (f2fs_is_volatile_file(inode)) {
clear_inode_flag(F2FS_I(inode), FI_VOLATILE_FILE);
clear_inode_flag(inode, FI_VOLATILE_FILE);
ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 0, true);
}
@ -1871,7 +1981,7 @@ do_map:
continue;
}
set_inode_flag(F2FS_I(inode), FI_DO_DEFRAG);
set_inode_flag(inode, FI_DO_DEFRAG);
idx = map.m_lblk;
while (idx < map.m_lblk + map.m_len && cnt < blk_per_seg) {
@ -1896,14 +2006,14 @@ do_map:
if (idx < pg_end && cnt < blk_per_seg)
goto do_map;
clear_inode_flag(F2FS_I(inode), FI_DO_DEFRAG);
clear_inode_flag(inode, FI_DO_DEFRAG);
err = filemap_fdatawrite(inode->i_mapping);
if (err)
goto out;
}
clear_out:
clear_inode_flag(F2FS_I(inode), FI_DO_DEFRAG);
clear_inode_flag(inode, FI_DO_DEFRAG);
out:
inode_unlock(inode);
if (!err)
@ -1959,6 +2069,133 @@ out:
return err;
}
static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
struct file *file_out, loff_t pos_out, size_t len)
{
struct inode *src = file_inode(file_in);
struct inode *dst = file_inode(file_out);
struct f2fs_sb_info *sbi = F2FS_I_SB(src);
size_t olen = len, dst_max_i_size = 0;
size_t dst_osize;
int ret;
if (file_in->f_path.mnt != file_out->f_path.mnt ||
src->i_sb != dst->i_sb)
return -EXDEV;
if (unlikely(f2fs_readonly(src->i_sb)))
return -EROFS;
if (S_ISDIR(src->i_mode) || S_ISDIR(dst->i_mode))
return -EISDIR;
if (f2fs_encrypted_inode(src) || f2fs_encrypted_inode(dst))
return -EOPNOTSUPP;
inode_lock(src);
if (src != dst)
inode_lock(dst);
ret = -EINVAL;
if (pos_in + len > src->i_size || pos_in + len < pos_in)
goto out_unlock;
if (len == 0)
olen = len = src->i_size - pos_in;
if (pos_in + len == src->i_size)
len = ALIGN(src->i_size, F2FS_BLKSIZE) - pos_in;
if (len == 0) {
ret = 0;
goto out_unlock;
}
dst_osize = dst->i_size;
if (pos_out + olen > dst->i_size)
dst_max_i_size = pos_out + olen;
/* verify the end result is block aligned */
if (!IS_ALIGNED(pos_in, F2FS_BLKSIZE) ||
!IS_ALIGNED(pos_in + len, F2FS_BLKSIZE) ||
!IS_ALIGNED(pos_out, F2FS_BLKSIZE))
goto out_unlock;
ret = f2fs_convert_inline_inode(src);
if (ret)
goto out_unlock;
ret = f2fs_convert_inline_inode(dst);
if (ret)
goto out_unlock;
/* write out all dirty pages from offset */
ret = filemap_write_and_wait_range(src->i_mapping,
pos_in, pos_in + len);
if (ret)
goto out_unlock;
ret = filemap_write_and_wait_range(dst->i_mapping,
pos_out, pos_out + len);
if (ret)
goto out_unlock;
f2fs_balance_fs(sbi, true);
f2fs_lock_op(sbi);
ret = __exchange_data_block(src, dst, pos_in,
pos_out, len >> F2FS_BLKSIZE_BITS, false);
if (!ret) {
if (dst_max_i_size)
f2fs_i_size_write(dst, dst_max_i_size);
else if (dst_osize != dst->i_size)
f2fs_i_size_write(dst, dst_osize);
}
f2fs_unlock_op(sbi);
out_unlock:
if (src != dst)
inode_unlock(dst);
inode_unlock(src);
return ret;
}
static int f2fs_ioc_move_range(struct file *filp, unsigned long arg)
{
struct f2fs_move_range range;
struct fd dst;
int err;
if (!(filp->f_mode & FMODE_READ) ||
!(filp->f_mode & FMODE_WRITE))
return -EBADF;
if (copy_from_user(&range, (struct f2fs_move_range __user *)arg,
sizeof(range)))
return -EFAULT;
dst = fdget(range.dst_fd);
if (!dst.file)
return -EBADF;
if (!(dst.file->f_mode & FMODE_WRITE)) {
err = -EBADF;
goto err_out;
}
err = mnt_want_write_file(filp);
if (err)
goto err_out;
err = f2fs_move_file_range(filp, range.pos_in, dst.file,
range.pos_out, range.len);
mnt_drop_write_file(filp);
if (copy_to_user((struct f2fs_move_range __user *)arg,
&range, sizeof(range)))
err = -EFAULT;
err_out:
fdput(dst);
return err;
}
long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
switch (cmd) {
@ -1994,6 +2231,8 @@ long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
return f2fs_ioc_write_checkpoint(filp, arg);
case F2FS_IOC_DEFRAGMENT:
return f2fs_ioc_defragment(filp, arg);
case F2FS_IOC_MOVE_RANGE:
return f2fs_ioc_move_range(filp, arg);
default:
return -ENOTTY;
}
@ -2003,6 +2242,7 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file_inode(file);
struct blk_plug plug;
ssize_t ret;
if (f2fs_encrypted_inode(inode) &&
@ -2014,8 +2254,11 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
ret = generic_write_checks(iocb, from);
if (ret > 0) {
ret = f2fs_preallocate_blocks(iocb, from);
if (!ret)
if (!ret) {
blk_start_plug(&plug);
ret = __generic_file_write_iter(iocb, from);
blk_finish_plug(&plug);
}
}
inode_unlock(inode);
@ -2050,6 +2293,8 @@ long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
case F2FS_IOC_WRITE_CHECKPOINT:
case F2FS_IOC_DEFRAGMENT:
break;
case F2FS_IOC_MOVE_RANGE:
break;
default:
return -ENOIOCTLCMD;
}

52
fs/f2fs/gc.c
Просмотреть файл

@ -594,11 +594,11 @@ static void move_encrypted_block(struct inode *inode, block_t bidx)
/* write page */
lock_page(fio.encrypted_page);
if (unlikely(!PageUptodate(fio.encrypted_page))) {
if (unlikely(fio.encrypted_page->mapping != META_MAPPING(fio.sbi))) {
err = -EIO;
goto put_page_out;
}
if (unlikely(fio.encrypted_page->mapping != META_MAPPING(fio.sbi))) {
if (unlikely(!PageUptodate(fio.encrypted_page))) {
err = -EIO;
goto put_page_out;
}
@ -619,9 +619,9 @@ static void move_encrypted_block(struct inode *inode, block_t bidx)
f2fs_submit_page_mbio(&fio);
f2fs_update_data_blkaddr(&dn, newaddr);
set_inode_flag(F2FS_I(inode), FI_APPEND_WRITE);
set_inode_flag(inode, FI_APPEND_WRITE);
if (page->index == 0)
set_inode_flag(F2FS_I(inode), FI_FIRST_BLOCK_WRITTEN);
set_inode_flag(inode, FI_FIRST_BLOCK_WRITTEN);
put_page_out:
f2fs_put_page(fio.encrypted_page, 1);
recover_block:
@ -656,12 +656,23 @@ static void move_data_page(struct inode *inode, block_t bidx, int gc_type)
.page = page,
.encrypted_page = NULL,
};
bool is_dirty = PageDirty(page);
int err;
retry:
set_page_dirty(page);
f2fs_wait_on_page_writeback(page, DATA, true);
if (clear_page_dirty_for_io(page))
inode_dec_dirty_pages(inode);
set_cold_data(page);
do_write_data_page(&fio);
err = do_write_data_page(&fio);
if (err == -ENOMEM && is_dirty) {
congestion_wait(BLK_RW_ASYNC, HZ/50);
goto retry;
}
clear_cold_data(page);
}
out:
@ -748,12 +759,32 @@ next_step:
/* phase 3 */
inode = find_gc_inode(gc_list, dni.ino);
if (inode) {
struct f2fs_inode_info *fi = F2FS_I(inode);
bool locked = false;
if (S_ISREG(inode->i_mode)) {
if (!down_write_trylock(&fi->dio_rwsem[READ]))
continue;
if (!down_write_trylock(
&fi->dio_rwsem[WRITE])) {
up_write(&fi->dio_rwsem[READ]);
continue;
}
locked = true;
}
start_bidx = start_bidx_of_node(nofs, inode)
+ ofs_in_node;
if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode))
move_encrypted_block(inode, start_bidx);
else
move_data_page(inode, start_bidx, gc_type);
if (locked) {
up_write(&fi->dio_rwsem[WRITE]);
up_write(&fi->dio_rwsem[READ]);
}
stat_inc_data_blk_count(sbi, 1, gc_type);
}
}
@ -802,6 +833,10 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
blk_start_plug(&plug);
for (segno = start_segno; segno < end_segno; segno++) {
if (get_valid_blocks(sbi, segno, 1) == 0)
continue;
/* find segment summary of victim */
sum_page = find_get_page(META_MAPPING(sbi),
GET_SUM_BLOCK(sbi, segno));
@ -877,10 +912,13 @@ gc_more:
* enough free sections, we should flush dent/node blocks and do
* garbage collections.
*/
if (__get_victim(sbi, &segno, gc_type) || prefree_segments(sbi))
if (__get_victim(sbi, &segno, gc_type) ||
prefree_segments(sbi)) {
write_checkpoint(sbi, &cpc);
else if (has_not_enough_free_secs(sbi, 0))
segno = NULL_SEGNO;
} else if (has_not_enough_free_secs(sbi, 0)) {
write_checkpoint(sbi, &cpc);
}
}
if (segno == NULL_SEGNO && !__get_victim(sbi, &segno, gc_type))

92
fs/f2fs/inline.c
Просмотреть файл

@ -59,7 +59,8 @@ void read_inline_data(struct page *page, struct page *ipage)
memcpy(dst_addr, src_addr, MAX_INLINE_DATA);
flush_dcache_page(page);
kunmap_atomic(dst_addr);
SetPageUptodate(page);
if (!PageUptodate(page))
SetPageUptodate(page);
}
bool truncate_inline_inode(struct page *ipage, u64 from)
@ -73,7 +74,7 @@ bool truncate_inline_inode(struct page *ipage, u64 from)
f2fs_wait_on_page_writeback(ipage, NODE, true);
memset(addr + from, 0, MAX_INLINE_DATA - from);
set_page_dirty(ipage);
return true;
}
@ -97,7 +98,8 @@ int f2fs_read_inline_data(struct inode *inode, struct page *page)
else
read_inline_data(page, ipage);
SetPageUptodate(page);
if (!PageUptodate(page))
SetPageUptodate(page);
f2fs_put_page(ipage, 1);
unlock_page(page);
return 0;
@ -139,7 +141,7 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page)
inode_dec_dirty_pages(dn->inode);
/* this converted inline_data should be recovered. */
set_inode_flag(F2FS_I(dn->inode), FI_APPEND_WRITE);
set_inode_flag(dn->inode, FI_APPEND_WRITE);
/* clear inline data and flag after data writeback */
truncate_inline_inode(dn->inode_page, 0);
@ -147,7 +149,6 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page)
clear_out:
stat_dec_inline_inode(dn->inode);
f2fs_clear_inline_inode(dn->inode);
sync_inode_page(dn);
f2fs_put_dnode(dn);
return 0;
}
@ -213,11 +214,11 @@ int f2fs_write_inline_data(struct inode *inode, struct page *page)
dst_addr = inline_data_addr(dn.inode_page);
memcpy(dst_addr, src_addr, MAX_INLINE_DATA);
kunmap_atomic(src_addr);
set_page_dirty(dn.inode_page);
set_inode_flag(F2FS_I(inode), FI_APPEND_WRITE);
set_inode_flag(F2FS_I(inode), FI_DATA_EXIST);
set_inode_flag(inode, FI_APPEND_WRITE);
set_inode_flag(inode, FI_DATA_EXIST);
sync_inode_page(&dn);
clear_inline_node(dn.inode_page);
f2fs_put_dnode(&dn);
return 0;
@ -253,10 +254,10 @@ process_inline:
dst_addr = inline_data_addr(ipage);
memcpy(dst_addr, src_addr, MAX_INLINE_DATA);
set_inode_flag(F2FS_I(inode), FI_INLINE_DATA);
set_inode_flag(F2FS_I(inode), FI_DATA_EXIST);
set_inode_flag(inode, FI_INLINE_DATA);
set_inode_flag(inode, FI_DATA_EXIST);
update_inode(inode, ipage);
set_page_dirty(ipage);
f2fs_put_page(ipage, 1);
return true;
}
@ -267,7 +268,6 @@ process_inline:
if (!truncate_inline_inode(ipage, 0))
return false;
f2fs_clear_inline_inode(inode);
update_inode(inode, ipage);
f2fs_put_page(ipage, 1);
} else if (ri && (ri->i_inline & F2FS_INLINE_DATA)) {
if (truncate_blocks(inode, 0, false))
@ -289,8 +289,10 @@ struct f2fs_dir_entry *find_in_inline_dir(struct inode *dir,
f2fs_hash_t namehash;
ipage = get_node_page(sbi, dir->i_ino);
if (IS_ERR(ipage))
if (IS_ERR(ipage)) {
*res_page = ipage;
return NULL;
}
namehash = f2fs_dentry_hash(&name);
@ -307,25 +309,6 @@ struct f2fs_dir_entry *find_in_inline_dir(struct inode *dir,
return de;
}
struct f2fs_dir_entry *f2fs_parent_inline_dir(struct inode *dir,
struct page **p)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
struct page *ipage;
struct f2fs_dir_entry *de;
struct f2fs_inline_dentry *dentry_blk;
ipage = get_node_page(sbi, dir->i_ino);
if (IS_ERR(ipage))
return NULL;
dentry_blk = inline_data_addr(ipage);
de = &dentry_blk->dentry[1];
*p = ipage;
unlock_page(ipage);
return de;
}
int make_empty_inline_dir(struct inode *inode, struct inode *parent,
struct page *ipage)
{
@ -340,10 +323,8 @@ int make_empty_inline_dir(struct inode *inode, struct inode *parent,
set_page_dirty(ipage);
/* update i_size to MAX_INLINE_DATA */
if (i_size_read(inode) < MAX_INLINE_DATA) {
i_size_write(inode, MAX_INLINE_DATA);
set_inode_flag(F2FS_I(inode), FI_UPDATE_DIR);
}
if (i_size_read(inode) < MAX_INLINE_DATA)
f2fs_i_size_write(inode, MAX_INLINE_DATA);
return 0;
}
@ -392,22 +373,19 @@ static int f2fs_move_inline_dirents(struct inode *dir, struct page *ipage,
NR_INLINE_DENTRY * F2FS_SLOT_LEN);
kunmap_atomic(dentry_blk);
SetPageUptodate(page);
if (!PageUptodate(page))
SetPageUptodate(page);
set_page_dirty(page);
/* clear inline dir and flag after data writeback */
truncate_inline_inode(ipage, 0);
stat_dec_inline_dir(dir);
clear_inode_flag(F2FS_I(dir), FI_INLINE_DENTRY);
clear_inode_flag(dir, FI_INLINE_DENTRY);
F2FS_I(dir)->i_current_depth = 1;
if (i_size_read(dir) < PAGE_SIZE) {
i_size_write(dir, PAGE_SIZE);
set_inode_flag(F2FS_I(dir), FI_UPDATE_DIR);
}
sync_inode_page(&dn);
f2fs_i_depth_write(dir, 1);
if (i_size_read(dir) < PAGE_SIZE)
f2fs_i_size_write(dir, PAGE_SIZE);
out:
f2fs_put_page(page, 1);
return err;
@ -465,7 +443,6 @@ static int f2fs_move_rehashed_dirents(struct inode *dir, struct page *ipage,
struct f2fs_inline_dentry *inline_dentry)
{
struct f2fs_inline_dentry *backup_dentry;
struct f2fs_inode_info *fi = F2FS_I(dir);
int err;
backup_dentry = f2fs_kmalloc(sizeof(struct f2fs_inline_dentry),
@ -487,16 +464,15 @@ static int f2fs_move_rehashed_dirents(struct inode *dir, struct page *ipage,
lock_page(ipage);
stat_dec_inline_dir(dir);
clear_inode_flag(fi, FI_INLINE_DENTRY);
update_inode(dir, ipage);
clear_inode_flag(dir, FI_INLINE_DENTRY);
kfree(backup_dentry);
return 0;
recover:
lock_page(ipage);
memcpy(inline_dentry, backup_dentry, MAX_INLINE_DATA);
fi->i_current_depth = 0;
i_size_write(dir, MAX_INLINE_DATA);
update_inode(dir, ipage);
f2fs_i_depth_write(dir, 0);
f2fs_i_size_write(dir, MAX_INLINE_DATA);
set_page_dirty(ipage);
f2fs_put_page(ipage, 1);
kfree(backup_dentry);
@ -560,8 +536,7 @@ int f2fs_add_inline_entry(struct inode *dir, const struct qstr *name,
/* we don't need to mark_inode_dirty now */
if (inode) {
F2FS_I(inode)->i_pino = dir->i_ino;
update_inode(inode, page);
f2fs_i_pino_write(inode, dir->i_ino);
f2fs_put_page(page, 1);
}
@ -569,11 +544,6 @@ int f2fs_add_inline_entry(struct inode *dir, const struct qstr *name,
fail:
if (inode)
up_write(&F2FS_I(inode)->i_sem);
if (is_inode_flag_set(F2FS_I(dir), FI_UPDATE_DIR)) {
update_inode(dir, ipage);
clear_inode_flag(F2FS_I(dir), FI_UPDATE_DIR);
}
out:
f2fs_put_page(ipage, 1);
return err;
@ -597,13 +567,13 @@ void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, struct page *page,
&inline_dentry->dentry_bitmap);
set_page_dirty(page);
f2fs_put_page(page, 1);
dir->i_ctime = dir->i_mtime = CURRENT_TIME;
f2fs_mark_inode_dirty_sync(dir);
if (inode)
f2fs_drop_nlink(dir, inode, page);
f2fs_put_page(page, 1);
f2fs_drop_nlink(dir, inode);
}
bool f2fs_empty_inline_dir(struct inode *dir)

53
fs/f2fs/inode.c
Просмотреть файл

@ -18,6 +18,13 @@
#include <trace/events/f2fs.h>
void f2fs_mark_inode_dirty_sync(struct inode *inode)
{
if (f2fs_inode_dirtied(inode))
return;
mark_inode_dirty_sync(inode);
}
void f2fs_set_inode_flags(struct inode *inode)
{
unsigned int flags = F2FS_I(inode)->i_flags;
@ -35,6 +42,7 @@ void f2fs_set_inode_flags(struct inode *inode)
new_fl |= S_DIRSYNC;
inode_set_flags(inode, new_fl,
S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
f2fs_mark_inode_dirty_sync(inode);
}
static void __get_inode_rdev(struct inode *inode, struct f2fs_inode *ri)
@ -85,8 +93,8 @@ static void __recover_inline_status(struct inode *inode, struct page *ipage)
if (*start++) {
f2fs_wait_on_page_writeback(ipage, NODE, true);
set_inode_flag(F2FS_I(inode), FI_DATA_EXIST);
set_raw_inline(F2FS_I(inode), F2FS_INODE(ipage));
set_inode_flag(inode, FI_DATA_EXIST);
set_raw_inline(inode, F2FS_INODE(ipage));
set_page_dirty(ipage);
return;
}
@ -141,7 +149,7 @@ static int do_read_inode(struct inode *inode)
if (f2fs_init_extent_tree(inode, &ri->i_ext))
set_page_dirty(node_page);
get_inline_info(fi, ri);
get_inline_info(inode, ri);
/* check data exist */
if (f2fs_has_inline_data(inode) && !f2fs_exist_data(inode))
@ -151,7 +159,10 @@ static int do_read_inode(struct inode *inode)
__get_inode_rdev(inode, ri);
if (__written_first_block(ri))
set_inode_flag(F2FS_I(inode), FI_FIRST_BLOCK_WRITTEN);
set_inode_flag(inode, FI_FIRST_BLOCK_WRITTEN);
if (!need_inode_block_update(sbi, inode->i_ino))
fi->last_disk_size = inode->i_size;
f2fs_put_page(node_page, 1);
@ -227,6 +238,8 @@ int update_inode(struct inode *inode, struct page *node_page)
{
struct f2fs_inode *ri;
f2fs_inode_synced(inode);
f2fs_wait_on_page_writeback(node_page, NODE, true);
ri = F2FS_INODE(node_page);
@ -244,7 +257,7 @@ int update_inode(struct inode *inode, struct page *node_page)
&ri->i_ext);
else
memset(&ri->i_ext, 0, sizeof(ri->i_ext));
set_raw_inline(F2FS_I(inode), ri);
set_raw_inline(inode, ri);
ri->i_atime = cpu_to_le64(inode->i_atime.tv_sec);
ri->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
@ -261,7 +274,6 @@ int update_inode(struct inode *inode, struct page *node_page)
__set_inode_rdev(inode, ri);
set_cold_node(inode, node_page);
clear_inode_flag(F2FS_I(inode), FI_DIRTY_INODE);
/* deleted inode */
if (inode->i_nlink == 0)
@ -285,6 +297,7 @@ retry:
} else if (err != -ENOENT) {
f2fs_stop_checkpoint(sbi, false);
}
f2fs_inode_synced(inode);
return 0;
}
ret = update_inode(inode, node_page);
@ -300,7 +313,7 @@ int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc)
inode->i_ino == F2FS_META_INO(sbi))
return 0;
if (!is_inode_flag_set(F2FS_I(inode), FI_DIRTY_INODE))
if (!is_inode_flag_set(inode, FI_DIRTY_INODE))
return 0;
/*
@ -318,8 +331,7 @@ int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc)
void f2fs_evict_inode(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct f2fs_inode_info *fi = F2FS_I(inode);
nid_t xnid = fi->i_xattr_nid;
nid_t xnid = F2FS_I(inode)->i_xattr_nid;
int err = 0;
/* some remained atomic pages should discarded */
@ -341,12 +353,17 @@ void f2fs_evict_inode(struct inode *inode)
if (inode->i_nlink || is_bad_inode(inode))
goto no_delete;
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(FAULT_EVICT_INODE))
goto no_delete;
#endif
sb_start_intwrite(inode->i_sb);
set_inode_flag(fi, FI_NO_ALLOC);
set_inode_flag(inode, FI_NO_ALLOC);
i_size_write(inode, 0);
retry:
if (F2FS_HAS_BLOCKS(inode))
err = f2fs_truncate(inode, true);
err = f2fs_truncate(inode);
if (!err) {
f2fs_lock_op(sbi);
@ -360,6 +377,8 @@ retry:
goto retry;
}
if (err)
update_inode_page(inode);
sb_end_intwrite(inode->i_sb);
no_delete:
stat_dec_inline_xattr(inode);
@ -369,13 +388,13 @@ no_delete:
invalidate_mapping_pages(NODE_MAPPING(sbi), inode->i_ino, inode->i_ino);
if (xnid)
invalidate_mapping_pages(NODE_MAPPING(sbi), xnid, xnid);
if (is_inode_flag_set(fi, FI_APPEND_WRITE))
if (is_inode_flag_set(inode, FI_APPEND_WRITE))
add_ino_entry(sbi, inode->i_ino, APPEND_INO);
if (is_inode_flag_set(fi, FI_UPDATE_WRITE))
if (is_inode_flag_set(inode, FI_UPDATE_WRITE))
add_ino_entry(sbi, inode->i_ino, UPDATE_INO);
if (is_inode_flag_set(fi, FI_FREE_NID)) {
if (is_inode_flag_set(inode, FI_FREE_NID)) {
alloc_nid_failed(sbi, inode->i_ino);
clear_inode_flag(fi, FI_FREE_NID);
clear_inode_flag(inode, FI_FREE_NID);
}
f2fs_bug_on(sbi, err &&
!exist_written_data(sbi, inode->i_ino, ORPHAN_INO));
@ -407,11 +426,11 @@ void handle_failed_inode(struct inode *inode)
f2fs_msg(sbi->sb, KERN_WARNING,
"Too many orphan inodes, run fsck to fix.");
} else {
add_orphan_inode(sbi, inode->i_ino);
add_orphan_inode(inode);
}
alloc_nid_done(sbi, inode->i_ino);
} else {
set_inode_flag(F2FS_I(inode), FI_FREE_NID);
set_inode_flag(inode, FI_FREE_NID);
}
f2fs_unlock_op(sbi);

147
fs/f2fs/namei.c
Просмотреть файл

@ -60,10 +60,14 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
if (f2fs_encrypted_inode(dir) && f2fs_may_encrypt(inode))
f2fs_set_encrypted_inode(inode);
set_inode_flag(inode, FI_NEW_INODE);
if (test_opt(sbi, INLINE_XATTR))
set_inode_flag(inode, FI_INLINE_XATTR);
if (test_opt(sbi, INLINE_DATA) && f2fs_may_inline_data(inode))
set_inode_flag(F2FS_I(inode), FI_INLINE_DATA);
set_inode_flag(inode, FI_INLINE_DATA);
if (f2fs_may_inline_dentry(inode))
set_inode_flag(F2FS_I(inode), FI_INLINE_DENTRY);
set_inode_flag(inode, FI_INLINE_DENTRY);
f2fs_init_extent_tree(inode, NULL);
@ -72,14 +76,13 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
stat_inc_inline_dir(inode);
trace_f2fs_new_inode(inode, 0);
mark_inode_dirty(inode);
return inode;
fail:
trace_f2fs_new_inode(inode, err);
make_bad_inode(inode);
if (nid_free)
set_inode_flag(F2FS_I(inode), FI_FREE_NID);
set_inode_flag(inode, FI_FREE_NID);
iput(inode);
return ERR_PTR(err);
}
@ -177,7 +180,7 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
inode->i_ctime = CURRENT_TIME;
ihold(inode);
set_inode_flag(F2FS_I(inode), FI_INC_LINK);
set_inode_flag(inode, FI_INC_LINK);
f2fs_lock_op(sbi);
err = f2fs_add_link(dentry, inode);
if (err)
@ -190,7 +193,7 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
f2fs_sync_fs(sbi->sb, 1);
return 0;
out:
clear_inode_flag(F2FS_I(inode), FI_INC_LINK);
clear_inode_flag(inode, FI_INC_LINK);
iput(inode);
f2fs_unlock_op(sbi);
return err;
@ -199,9 +202,13 @@ out:
struct dentry *f2fs_get_parent(struct dentry *child)
{
struct qstr dotdot = QSTR_INIT("..", 2);
unsigned long ino = f2fs_inode_by_name(d_inode(child), &dotdot);
if (!ino)
struct page *page;
unsigned long ino = f2fs_inode_by_name(d_inode(child), &dotdot, &page);
if (!ino) {
if (IS_ERR(page))
return ERR_CAST(page);
return ERR_PTR(-ENOENT);
}
return d_obtain_alias(f2fs_iget(child->d_sb, ino));
}
@ -229,6 +236,9 @@ static int __recover_dot_dentries(struct inode *dir, nid_t pino)
if (de) {
f2fs_dentry_kunmap(dir, page);
f2fs_put_page(page, 0);
} else if (IS_ERR(page)) {
err = PTR_ERR(page);
goto out;
} else {
err = __f2fs_add_link(dir, &dot, NULL, dir->i_ino, S_IFDIR);
if (err)
@ -239,14 +249,14 @@ static int __recover_dot_dentries(struct inode *dir, nid_t pino)
if (de) {
f2fs_dentry_kunmap(dir, page);
f2fs_put_page(page, 0);
} else if (IS_ERR(page)) {
err = PTR_ERR(page);
} else {
err = __f2fs_add_link(dir, &dotdot, NULL, pino, S_IFDIR);
}
out:
if (!err) {
clear_inode_flag(F2FS_I(dir), FI_INLINE_DOTS);
mark_inode_dirty(dir);
}
if (!err)
clear_inode_flag(dir, FI_INLINE_DOTS);
f2fs_unlock_op(sbi);
return err;
@ -281,8 +291,11 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
return ERR_PTR(-ENAMETOOLONG);
de = f2fs_find_entry(dir, &dentry->d_name, &page);
if (!de)
if (!de) {
if (IS_ERR(page))
return (struct dentry *)page;
return d_splice_alias(inode, dentry);
}
ino = le32_to_cpu(de->ino);
f2fs_dentry_kunmap(dir, page);
@ -329,8 +342,11 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
trace_f2fs_unlink_enter(dir, dentry);
de = f2fs_find_entry(dir, &dentry->d_name, &page);
if (!de)
if (!de) {
if (IS_ERR(page))
err = PTR_ERR(page);
goto fail;
}
f2fs_balance_fs(sbi, true);
@ -345,9 +361,6 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
f2fs_delete_entry(de, page, dir, inode);
f2fs_unlock_op(sbi);
/* In order to evict this inode, we set it dirty */
mark_inode_dirty(inode);
if (IS_DIRSYNC(dir))
f2fs_sync_fs(sbi->sb, 1);
fail:
@ -492,7 +505,7 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
f2fs_balance_fs(sbi, true);
set_inode_flag(F2FS_I(inode), FI_INC_LINK);
set_inode_flag(inode, FI_INC_LINK);
f2fs_lock_op(sbi);
err = f2fs_add_link(dentry, inode);
if (err)
@ -509,7 +522,7 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
return 0;
out_fail:
clear_inode_flag(F2FS_I(inode), FI_INC_LINK);
clear_inode_flag(inode, FI_INC_LINK);
handle_failed_inode(inode);
return err;
}
@ -592,17 +605,17 @@ static int __f2fs_tmpfile(struct inode *dir, struct dentry *dentry,
* add this non-linked tmpfile to orphan list, in this way we could
* remove all unused data of tmpfile after abnormal power-off.
*/
add_orphan_inode(sbi, inode->i_ino);
f2fs_unlock_op(sbi);
add_orphan_inode(inode);
alloc_nid_done(sbi, inode->i_ino);
if (whiteout) {
inode_dec_link_count(inode);
f2fs_i_links_write(inode, false);
*whiteout = inode;
} else {
d_tmpfile(dentry, inode);
}
/* link_count was changed by d_tmpfile as well. */
f2fs_unlock_op(sbi);
unlock_new_inode(inode);
return 0;
@ -652,14 +665,19 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
}
old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
if (!old_entry)
if (!old_entry) {
if (IS_ERR(old_page))
err = PTR_ERR(old_page);
goto out;
}
if (S_ISDIR(old_inode->i_mode)) {
err = -EIO;
old_dir_entry = f2fs_parent_dir(old_inode, &old_dir_page);
if (!old_dir_entry)
if (!old_dir_entry) {
if (IS_ERR(old_dir_page))
err = PTR_ERR(old_dir_page);
goto out_old;
}
}
if (flags & RENAME_WHITEOUT) {
@ -677,8 +695,11 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
err = -ENOENT;
new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name,
&new_page);
if (!new_entry)
if (!new_entry) {
if (IS_ERR(new_page))
err = PTR_ERR(new_page);
goto out_whiteout;
}
f2fs_balance_fs(sbi, true);
@ -700,19 +721,14 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
new_inode->i_ctime = CURRENT_TIME;
down_write(&F2FS_I(new_inode)->i_sem);
if (old_dir_entry)
drop_nlink(new_inode);
drop_nlink(new_inode);
f2fs_i_links_write(new_inode, false);
f2fs_i_links_write(new_inode, false);
up_write(&F2FS_I(new_inode)->i_sem);
mark_inode_dirty(new_inode);
if (!new_inode->i_nlink)
add_orphan_inode(sbi, new_inode->i_ino);
add_orphan_inode(new_inode);
else
release_orphan_inode(sbi);
update_inode_page(old_inode);
update_inode_page(new_inode);
} else {
f2fs_balance_fs(sbi, true);
@ -724,10 +740,8 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
goto out_whiteout;
}
if (old_dir_entry) {
inc_nlink(new_dir);
update_inode_page(new_dir);
}
if (old_dir_entry)
f2fs_i_links_write(new_dir, true);
/*
* old entry and new entry can locate in the same inline
@ -743,7 +757,9 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
old_entry = f2fs_find_entry(old_dir,
&old_dentry->d_name, &old_page);
if (!old_entry) {
err = -EIO;
err = -ENOENT;
if (IS_ERR(old_page))
err = PTR_ERR(old_page);
f2fs_unlock_op(sbi);
goto out_whiteout;
}
@ -757,13 +773,13 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
up_write(&F2FS_I(old_inode)->i_sem);
old_inode->i_ctime = CURRENT_TIME;
mark_inode_dirty(old_inode);
f2fs_mark_inode_dirty_sync(old_inode);
f2fs_delete_entry(old_entry, old_page, old_dir, NULL);
if (whiteout) {
whiteout->i_state |= I_LINKABLE;
set_inode_flag(F2FS_I(whiteout), FI_INC_LINK);
set_inode_flag(whiteout, FI_INC_LINK);
err = f2fs_add_link(old_dentry, whiteout);
if (err)
goto put_out_dir;
@ -775,14 +791,11 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
if (old_dir != new_dir && !whiteout) {
f2fs_set_link(old_inode, old_dir_entry,
old_dir_page, new_dir);
update_inode_page(old_inode);
} else {
f2fs_dentry_kunmap(old_inode, old_dir_page);
f2fs_put_page(old_dir_page, 0);
}
drop_nlink(old_dir);
mark_inode_dirty(old_dir);
update_inode_page(old_dir);
f2fs_i_links_write(old_dir, false);
}
f2fs_unlock_op(sbi);
@ -832,29 +845,39 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
return -EPERM;
old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
if (!old_entry)
if (!old_entry) {
if (IS_ERR(old_page))
err = PTR_ERR(old_page);
goto out;
}
new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, &new_page);
if (!new_entry)
if (!new_entry) {
if (IS_ERR(new_page))
err = PTR_ERR(new_page);
goto out_old;
}
/* prepare for updating ".." directory entry info later */
if (old_dir != new_dir) {
if (S_ISDIR(old_inode->i_mode)) {
err = -EIO;
old_dir_entry = f2fs_parent_dir(old_inode,
&old_dir_page);
if (!old_dir_entry)
if (!old_dir_entry) {
if (IS_ERR(old_dir_page))
err = PTR_ERR(old_dir_page);
goto out_new;
}
}
if (S_ISDIR(new_inode->i_mode)) {
err = -EIO;
new_dir_entry = f2fs_parent_dir(new_inode,
&new_dir_page);
if (!new_dir_entry)
if (!new_dir_entry) {
if (IS_ERR(new_dir_page))
err = PTR_ERR(new_dir_page);
goto out_old_dir;
}
}
}
@ -904,19 +927,13 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
file_lost_pino(old_inode);
up_write(&F2FS_I(old_inode)->i_sem);
update_inode_page(old_inode);
old_dir->i_ctime = CURRENT_TIME;
if (old_nlink) {
down_write(&F2FS_I(old_dir)->i_sem);
if (old_nlink < 0)
drop_nlink(old_dir);
else
inc_nlink(old_dir);
f2fs_i_links_write(old_dir, old_nlink > 0);
up_write(&F2FS_I(old_dir)->i_sem);
}
mark_inode_dirty(old_dir);
update_inode_page(old_dir);
f2fs_mark_inode_dirty_sync(old_dir);
/* update directory entry info of new dir inode */
f2fs_set_link(new_dir, new_entry, new_page, old_inode);
@ -925,19 +942,13 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
file_lost_pino(new_inode);
up_write(&F2FS_I(new_inode)->i_sem);
update_inode_page(new_inode);
new_dir->i_ctime = CURRENT_TIME;
if (new_nlink) {
down_write(&F2FS_I(new_dir)->i_sem);
if (new_nlink < 0)
drop_nlink(new_dir);
else
inc_nlink(new_dir);
f2fs_i_links_write(new_dir, new_nlink > 0);
up_write(&F2FS_I(new_dir)->i_sem);
}
mark_inode_dirty(new_dir);
update_inode_page(new_dir);
f2fs_mark_inode_dirty_sync(new_dir);
f2fs_unlock_op(sbi);

144
fs/f2fs/node.c
Просмотреть файл

@ -52,6 +52,10 @@ bool available_free_memory(struct f2fs_sb_info *sbi, int type)
mem_size = (nm_i->nat_cnt * sizeof(struct nat_entry)) >>
PAGE_SHIFT;
res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 2);
if (excess_cached_nats(sbi))
res = false;
if (nm_i->nat_cnt > DEF_NAT_CACHE_THRESHOLD)
res = false;
} else if (type == DIRTY_DENTS) {
if (sbi->sb->s_bdi->wb.dirty_exceeded)
return false;
@ -202,14 +206,14 @@ int need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid)
struct nat_entry *e;
bool need = false;
down_read(&nm_i->nat_tree_lock);
percpu_down_read(&nm_i->nat_tree_lock);
e = __lookup_nat_cache(nm_i, nid);
if (e) {
if (!get_nat_flag(e, IS_CHECKPOINTED) &&
!get_nat_flag(e, HAS_FSYNCED_INODE))
need = true;
}
up_read(&nm_i->nat_tree_lock);
percpu_up_read(&nm_i->nat_tree_lock);
return need;
}
@ -219,11 +223,11 @@ bool is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid)
struct nat_entry *e;
bool is_cp = true;
down_read(&nm_i->nat_tree_lock);
percpu_down_read(&nm_i->nat_tree_lock);
e = __lookup_nat_cache(nm_i, nid);
if (e && !get_nat_flag(e, IS_CHECKPOINTED))
is_cp = false;
up_read(&nm_i->nat_tree_lock);
percpu_up_read(&nm_i->nat_tree_lock);
return is_cp;
}
@ -233,13 +237,13 @@ bool need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino)
struct nat_entry *e;
bool need_update = true;
down_read(&nm_i->nat_tree_lock);
percpu_down_read(&nm_i->nat_tree_lock);
e = __lookup_nat_cache(nm_i, ino);
if (e && get_nat_flag(e, HAS_LAST_FSYNC) &&
(get_nat_flag(e, IS_CHECKPOINTED) ||
get_nat_flag(e, HAS_FSYNCED_INODE)))
need_update = false;
up_read(&nm_i->nat_tree_lock);
percpu_up_read(&nm_i->nat_tree_lock);
return need_update;
}
@ -280,7 +284,7 @@ static void set_node_addr(struct f2fs_sb_info *sbi, struct node_info *ni,
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct nat_entry *e;
down_write(&nm_i->nat_tree_lock);
percpu_down_write(&nm_i->nat_tree_lock);
e = __lookup_nat_cache(nm_i, ni->nid);
if (!e) {
e = grab_nat_entry(nm_i, ni->nid);
@ -330,7 +334,7 @@ static void set_node_addr(struct f2fs_sb_info *sbi, struct node_info *ni,
set_nat_flag(e, HAS_FSYNCED_INODE, true);
set_nat_flag(e, HAS_LAST_FSYNC, fsync_done);
}
up_write(&nm_i->nat_tree_lock);
percpu_up_write(&nm_i->nat_tree_lock);
}
int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink)
@ -338,8 +342,7 @@ int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink)
struct f2fs_nm_info *nm_i = NM_I(sbi);
int nr = nr_shrink;
if (!down_write_trylock(&nm_i->nat_tree_lock))
return 0;
percpu_down_write(&nm_i->nat_tree_lock);
while (nr_shrink && !list_empty(&nm_i->nat_entries)) {
struct nat_entry *ne;
@ -348,7 +351,7 @@ int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink)
__del_from_nat_cache(nm_i, ne);
nr_shrink--;
}
up_write(&nm_i->nat_tree_lock);
percpu_up_write(&nm_i->nat_tree_lock);
return nr - nr_shrink;
}
@ -370,13 +373,13 @@ void get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni)
ni->nid = nid;
/* Check nat cache */
down_read(&nm_i->nat_tree_lock);
percpu_down_read(&nm_i->nat_tree_lock);
e = __lookup_nat_cache(nm_i, nid);
if (e) {
ni->ino = nat_get_ino(e);
ni->blk_addr = nat_get_blkaddr(e);
ni->version = nat_get_version(e);
up_read(&nm_i->nat_tree_lock);
percpu_up_read(&nm_i->nat_tree_lock);
return;
}
@ -400,11 +403,11 @@ void get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni)
node_info_from_raw_nat(ni, &ne);
f2fs_put_page(page, 1);
cache:
up_read(&nm_i->nat_tree_lock);
percpu_up_read(&nm_i->nat_tree_lock);
/* cache nat entry */
down_write(&nm_i->nat_tree_lock);
percpu_down_write(&nm_i->nat_tree_lock);
cache_nat_entry(sbi, nid, &ne);
up_write(&nm_i->nat_tree_lock);
percpu_up_write(&nm_i->nat_tree_lock);
}
/*
@ -646,6 +649,7 @@ release_out:
if (err == -ENOENT) {
dn->cur_level = i;
dn->max_level = level;
dn->ofs_in_node = offset[level];
}
return err;
}
@ -670,8 +674,7 @@ static void truncate_node(struct dnode_of_data *dn)
if (dn->nid == dn->inode->i_ino) {
remove_orphan_inode(sbi, dn->nid);
dec_valid_inode_count(sbi);
} else {
sync_inode_page(dn);
f2fs_inode_synced(dn->inode);
}
invalidate:
clear_node_page_dirty(dn->node_page);
@ -953,7 +956,7 @@ int truncate_xattr_node(struct inode *inode, struct page *page)
if (IS_ERR(npage))
return PTR_ERR(npage);
F2FS_I(inode)->i_xattr_nid = 0;
f2fs_i_xnid_write(inode, 0);
/* need to do checkpoint during fsync */
F2FS_I(inode)->xattr_ver = cur_cp_version(F2FS_CKPT(sbi));
@ -1019,7 +1022,7 @@ struct page *new_node_page(struct dnode_of_data *dn,
struct page *page;
int err;
if (unlikely(is_inode_flag_set(F2FS_I(dn->inode), FI_NO_ALLOC)))
if (unlikely(is_inode_flag_set(dn->inode, FI_NO_ALLOC)))
return ERR_PTR(-EPERM);
page = f2fs_grab_cache_page(NODE_MAPPING(sbi), dn->nid, false);
@ -1042,21 +1045,16 @@ struct page *new_node_page(struct dnode_of_data *dn,
f2fs_wait_on_page_writeback(page, NODE, true);
fill_node_footer(page, dn->nid, dn->inode->i_ino, ofs, true);
set_cold_node(dn->inode, page);
SetPageUptodate(page);
if (!PageUptodate(page))
SetPageUptodate(page);
if (set_page_dirty(page))
dn->node_changed = true;
if (f2fs_has_xattr_block(ofs))
F2FS_I(dn->inode)->i_xattr_nid = dn->nid;
f2fs_i_xnid_write(dn->inode, dn->nid);
dn->node_page = page;
if (ipage)
update_inode(dn->inode, ipage);
else
sync_inode_page(dn);
if (ofs == 0)
inc_valid_inode_count(sbi);
return page;
fail:
@ -1083,6 +1081,9 @@ static int read_node_page(struct page *page, int op_flags)
.encrypted_page = NULL,
};
if (PageUptodate(page))
return LOCKED_PAGE;
get_node_info(sbi, page->index, &ni);
if (unlikely(ni.blk_addr == NULL_ADDR)) {
@ -1090,9 +1091,6 @@ static int read_node_page(struct page *page, int op_flags)
return -ENOENT;
}
if (PageUptodate(page))
return LOCKED_PAGE;
fio.new_blkaddr = fio.old_blkaddr = ni.blk_addr;
return f2fs_submit_page_bio(&fio);
}
@ -1150,16 +1148,21 @@ repeat:
lock_page(page);
if (unlikely(!PageUptodate(page))) {
f2fs_put_page(page, 1);
return ERR_PTR(-EIO);
}
if (unlikely(page->mapping != NODE_MAPPING(sbi))) {
f2fs_put_page(page, 1);
goto repeat;
}
if (unlikely(!PageUptodate(page)))
goto out_err;
page_hit:
f2fs_bug_on(sbi, nid != nid_of_node(page));
if(unlikely(nid != nid_of_node(page))) {
f2fs_bug_on(sbi, 1);
ClearPageUptodate(page);
out_err:
f2fs_put_page(page, 1);
return ERR_PTR(-EIO);
}
return page;
}
@ -1176,24 +1179,6 @@ struct page *get_node_page_ra(struct page *parent, int start)
return __get_node_page(sbi, nid, parent, start);
}
void sync_inode_page(struct dnode_of_data *dn)
{
int ret = 0;
if (IS_INODE(dn->node_page) || dn->inode_page == dn->node_page) {
ret = update_inode(dn->inode, dn->node_page);
} else if (dn->inode_page) {
if (!dn->inode_page_locked)
lock_page(dn->inode_page);
ret = update_inode(dn->inode, dn->inode_page);
if (!dn->inode_page_locked)
unlock_page(dn->inode_page);
} else {
ret = update_inode_page(dn->inode);
}
dn->node_changed = ret ? true: false;
}
static void flush_inline_data(struct f2fs_sb_info *sbi, nid_t ino)
{
struct inode *inode;
@ -1319,7 +1304,7 @@ continue_unlock:
return last_page;
}
int fsync_node_pages(struct f2fs_sb_info *sbi, nid_t ino,
int fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
struct writeback_control *wbc, bool atomic)
{
pgoff_t index, end;
@ -1327,6 +1312,7 @@ int fsync_node_pages(struct f2fs_sb_info *sbi, nid_t ino,
int ret = 0;
struct page *last_page = NULL;
bool marked = false;
nid_t ino = inode->i_ino;
if (atomic) {
last_page = last_fsync_dnode(sbi, ino);
@ -1380,9 +1366,13 @@ continue_unlock:
if (!atomic || page == last_page) {
set_fsync_mark(page, 1);
if (IS_INODE(page))
if (IS_INODE(page)) {
if (is_inode_flag_set(inode,
FI_DIRTY_INODE))
update_inode(inode, page);
set_dentry_mark(page,
need_dentry_mark(sbi, ino));
}
/* may be written by other thread */
if (!PageDirty(page))
set_page_dirty(page);
@ -1630,6 +1620,7 @@ static int f2fs_write_node_pages(struct address_space *mapping,
struct writeback_control *wbc)
{
struct f2fs_sb_info *sbi = F2FS_M_SB(mapping);
struct blk_plug plug;
long diff;
/* balancing f2fs's metadata in background */
@ -1643,7 +1634,9 @@ static int f2fs_write_node_pages(struct address_space *mapping,
diff = nr_pages_to_write(sbi, NODE, wbc);
wbc->sync_mode = WB_SYNC_NONE;
blk_start_plug(&plug);
sync_node_pages(sbi, wbc);
blk_finish_plug(&plug);
wbc->nr_to_write = max((long)0, wbc->nr_to_write - diff);
return 0;
@ -1657,9 +1650,10 @@ static int f2fs_set_node_page_dirty(struct page *page)
{
trace_f2fs_set_page_dirty(page, NODE);
SetPageUptodate(page);
if (!PageUptodate(page))
SetPageUptodate(page);
if (!PageDirty(page)) {
__set_page_dirty_nobuffers(page);
f2fs_set_page_dirty_nobuffers(page);
inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_NODES);
SetPagePrivate(page);
f2fs_trace_pid(page);
@ -1778,7 +1772,7 @@ static void scan_nat_page(struct f2fs_sb_info *sbi,
}
}
static void build_free_nids(struct f2fs_sb_info *sbi)
void build_free_nids(struct f2fs_sb_info *sbi)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_HOT_DATA);
@ -1787,14 +1781,14 @@ static void build_free_nids(struct f2fs_sb_info *sbi)
nid_t nid = nm_i->next_scan_nid;
/* Enough entries */
if (nm_i->fcnt > NAT_ENTRY_PER_BLOCK)
if (nm_i->fcnt >= NAT_ENTRY_PER_BLOCK)
return;
/* readahead nat pages to be scanned */
ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nid), FREE_NID_PAGES,
META_NAT, true);
down_read(&nm_i->nat_tree_lock);
percpu_down_read(&nm_i->nat_tree_lock);
while (1) {
struct page *page = get_current_nat_page(sbi, nid);
@ -1826,7 +1820,7 @@ static void build_free_nids(struct f2fs_sb_info *sbi)
remove_free_nid(nm_i, nid);
}
up_read(&curseg->journal_rwsem);
up_read(&nm_i->nat_tree_lock);
percpu_up_read(&nm_i->nat_tree_lock);
ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nm_i->next_scan_nid),
nm_i->ra_nid_pages, META_NAT, false);
@ -1925,12 +1919,15 @@ int try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink)
struct free_nid *i, *next;
int nr = nr_shrink;
if (nm_i->fcnt <= MAX_FREE_NIDS)
return 0;
if (!mutex_trylock(&nm_i->build_lock))
return 0;
spin_lock(&nm_i->free_nid_list_lock);
list_for_each_entry_safe(i, next, &nm_i->free_nid_list, list) {
if (nr_shrink <= 0 || nm_i->fcnt <= NAT_ENTRY_PER_BLOCK)
if (nr_shrink <= 0 || nm_i->fcnt <= MAX_FREE_NIDS)
break;
if (i->state == NID_ALLOC)
continue;
@ -1957,7 +1954,7 @@ void recover_inline_xattr(struct inode *inode, struct page *page)
ri = F2FS_INODE(page);
if (!(ri->i_inline & F2FS_INLINE_XATTR)) {
clear_inode_flag(F2FS_I(inode), FI_INLINE_XATTR);
clear_inode_flag(inode, FI_INLINE_XATTR);
goto update_inode;
}
@ -1999,13 +1996,11 @@ recover_xnid:
get_node_info(sbi, new_xnid, &ni);
ni.ino = inode->i_ino;
set_node_addr(sbi, &ni, NEW_ADDR, false);
F2FS_I(inode)->i_xattr_nid = new_xnid;
f2fs_i_xnid_write(inode, new_xnid);
/* 3: update xattr blkaddr */
refresh_sit_entry(sbi, NEW_ADDR, blkaddr);
set_node_addr(sbi, &ni, blkaddr, false);
update_inode_page(inode);
}
int recover_inode_page(struct f2fs_sb_info *sbi, struct page *page)
@ -2027,7 +2022,8 @@ int recover_inode_page(struct f2fs_sb_info *sbi, struct page *page)
/* Should not use this inode from free nid list */
remove_free_nid(NM_I(sbi), ino);
SetPageUptodate(ipage);
if (!PageUptodate(ipage))
SetPageUptodate(ipage);
fill_node_footer(ipage, ino, ino, 0, true);
src = F2FS_INODE(page);
@ -2213,7 +2209,7 @@ void flush_nat_entries(struct f2fs_sb_info *sbi)
if (!nm_i->dirty_nat_cnt)
return;
down_write(&nm_i->nat_tree_lock);
percpu_down_write(&nm_i->nat_tree_lock);
/*
* if there are no enough space in journal to store dirty nat
@ -2236,7 +2232,7 @@ void flush_nat_entries(struct f2fs_sb_info *sbi)
list_for_each_entry_safe(set, tmp, &sets, set_list)
__flush_nat_entry_set(sbi, set);
up_write(&nm_i->nat_tree_lock);
percpu_up_write(&nm_i->nat_tree_lock);
f2fs_bug_on(sbi, nm_i->dirty_nat_cnt);
}
@ -2272,7 +2268,8 @@ static int init_node_manager(struct f2fs_sb_info *sbi)
mutex_init(&nm_i->build_lock);
spin_lock_init(&nm_i->free_nid_list_lock);
init_rwsem(&nm_i->nat_tree_lock);
if (percpu_init_rwsem(&nm_i->nat_tree_lock))
return -ENOMEM;
nm_i->next_scan_nid = le32_to_cpu(sbi->ckpt->next_free_nid);
nm_i->bitmap_size = __bitmap_size(sbi, NAT_BITMAP);
@ -2329,7 +2326,7 @@ void destroy_node_manager(struct f2fs_sb_info *sbi)
spin_unlock(&nm_i->free_nid_list_lock);
/* destroy nat cache */
down_write(&nm_i->nat_tree_lock);
percpu_down_write(&nm_i->nat_tree_lock);
while ((found = __gang_lookup_nat_cache(nm_i,
nid, NATVEC_SIZE, natvec))) {
unsigned idx;
@ -2354,8 +2351,9 @@ void destroy_node_manager(struct f2fs_sb_info *sbi)
kmem_cache_free(nat_entry_set_slab, setvec[idx]);
}
}
up_write(&nm_i->nat_tree_lock);
percpu_up_write(&nm_i->nat_tree_lock);
percpu_free_rwsem(&nm_i->nat_tree_lock);
kfree(nm_i->nat_bitmap);
sbi->nm_info = NULL;
kfree(nm_i);

14
fs/f2fs/node.h
Просмотреть файл

@ -15,18 +15,21 @@
#define NAT_BLOCK_OFFSET(start_nid) (start_nid / NAT_ENTRY_PER_BLOCK)
/* # of pages to perform synchronous readahead before building free nids */
#define FREE_NID_PAGES 4
#define FREE_NID_PAGES 8
#define MAX_FREE_NIDS (NAT_ENTRY_PER_BLOCK * FREE_NID_PAGES)
#define DEF_RA_NID_PAGES 4 /* # of nid pages to be readaheaded */
#define DEF_RA_NID_PAGES 0 /* # of nid pages to be readaheaded */
/* maximum readahead size for node during getting data blocks */
#define MAX_RA_NODE 128
/* control the memory footprint threshold (10MB per 1GB ram) */
#define DEF_RAM_THRESHOLD 10
#define DEF_RAM_THRESHOLD 1
/* control dirty nats ratio threshold (default: 10% over max nid count) */
#define DEF_DIRTY_NAT_RATIO_THRESHOLD 10
/* control total # of nats */
#define DEF_NAT_CACHE_THRESHOLD 100000
/* vector size for gang look-up from nat cache that consists of radix tree */
#define NATVEC_SIZE 64
@ -126,6 +129,11 @@ static inline bool excess_dirty_nats(struct f2fs_sb_info *sbi)
NM_I(sbi)->dirty_nats_ratio / 100;
}
static inline bool excess_cached_nats(struct f2fs_sb_info *sbi)
{
return NM_I(sbi)->nat_cnt >= DEF_NAT_CACHE_THRESHOLD;
}
enum mem_type {
FREE_NIDS, /* indicates the free nid list */
NAT_ENTRIES, /* indicates the cached nat entry */

23
fs/f2fs/recovery.c
Просмотреть файл

@ -153,9 +153,12 @@ retry:
f2fs_delete_entry(de, page, dir, einode);
iput(einode);
goto retry;
} else if (IS_ERR(page)) {
err = PTR_ERR(page);
} else {
err = __f2fs_add_link(dir, &name, inode,
inode->i_ino, inode->i_mode);
}
err = __f2fs_add_link(dir, &name, inode, inode->i_ino, inode->i_mode);
goto out;
out_unmap_put:
@ -175,7 +178,7 @@ static void recover_inode(struct inode *inode, struct page *page)
char *name;
inode->i_mode = le16_to_cpu(raw->i_mode);
i_size_write(inode, le64_to_cpu(raw->i_size));
f2fs_i_size_write(inode, le64_to_cpu(raw->i_size));
inode->i_atime.tv_sec = le64_to_cpu(raw->i_mtime);
inode->i_ctime.tv_sec = le64_to_cpu(raw->i_ctime);
inode->i_mtime.tv_sec = le64_to_cpu(raw->i_mtime);
@ -455,6 +458,9 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
continue;
}
if ((start + 1) << PAGE_SHIFT > i_size_read(inode))
f2fs_i_size_write(inode, (start + 1) << PAGE_SHIFT);
/*
* dest is reserved block, invalidate src block
* and then reserve one new block in dnode page.
@ -476,6 +482,8 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
#endif
/* We should not get -ENOSPC */
f2fs_bug_on(sbi, err);
if (err)
goto err;
}
/* Check the previous node page having this index */
@ -490,9 +498,6 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
}
}
if (IS_INODE(dn.node_page))
sync_inode_page(&dn);
copy_node_footer(dn.node_page, page);
fill_node_footer(dn.node_page, dn.nid, ni.ino,
ofs_of_node(page), false);
@ -624,8 +629,12 @@ out:
if (err) {
bool invalidate = false;
if (discard_next_dnode(sbi, blkaddr))
if (test_opt(sbi, LFS)) {
update_meta_page(sbi, NULL, blkaddr);
invalidate = true;
} else if (discard_next_dnode(sbi, blkaddr)) {
invalidate = true;
}
/* Flush all the NAT/SIT pages */
while (get_pages(sbi, F2FS_DIRTY_META))

59
fs/f2fs/segment.c
Просмотреть файл

@ -241,7 +241,7 @@ void drop_inmem_pages(struct inode *inode)
{
struct f2fs_inode_info *fi = F2FS_I(inode);
clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
clear_inode_flag(inode, FI_ATOMIC_FILE);
mutex_lock(&fi->inmem_lock);
__revoke_inmem_pages(inode, &fi->inmem_pages, true, false);
@ -346,6 +346,11 @@ void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need)
{
if (!need)
return;
/* balance_fs_bg is able to be pending */
if (excess_cached_nats(sbi))
f2fs_balance_fs_bg(sbi);
/*
* We should do GC or end up with checkpoint, if there are so many dirty
* dir/node pages without enough free segments.
@ -367,7 +372,9 @@ void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi)
try_to_free_nats(sbi, NAT_ENTRY_PER_BLOCK);
if (!available_free_memory(sbi, FREE_NIDS))
try_to_free_nids(sbi, NAT_ENTRY_PER_BLOCK * FREE_NID_PAGES);
try_to_free_nids(sbi, MAX_FREE_NIDS);
else
build_free_nids(sbi);
/* checkpoint is the only way to shrink partial cached entries */
if (!available_free_memory(sbi, NAT_ENTRIES) ||
@ -435,25 +442,29 @@ int f2fs_issue_flush(struct f2fs_sb_info *sbi)
if (test_opt(sbi, NOBARRIER))
return 0;
if (!test_opt(sbi, FLUSH_MERGE)) {
if (!test_opt(sbi, FLUSH_MERGE) || !atomic_read(&fcc->submit_flush)) {
struct bio *bio = f2fs_bio_alloc(0);
int ret;
atomic_inc(&fcc->submit_flush);
bio->bi_bdev = sbi->sb->s_bdev;
bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_FLUSH);
ret = submit_bio_wait(bio);
atomic_dec(&fcc->submit_flush);
bio_put(bio);
return ret;
}
init_completion(&cmd.wait);
atomic_inc(&fcc->submit_flush);
llist_add(&cmd.llnode, &fcc->issue_list);
if (!fcc->dispatch_list)
wake_up(&fcc->flush_wait_queue);
wait_for_completion(&cmd.wait);
atomic_dec(&fcc->submit_flush);
return cmd.ret;
}
@ -467,6 +478,7 @@ int create_flush_cmd_control(struct f2fs_sb_info *sbi)
fcc = kzalloc(sizeof(struct flush_cmd_control), GFP_KERNEL);
if (!fcc)
return -ENOMEM;
atomic_set(&fcc->submit_flush, 0);
init_waitqueue_head(&fcc->flush_wait_queue);
init_llist_head(&fcc->issue_list);
SM_I(sbi)->cmd_control_info = fcc;
@ -668,6 +680,10 @@ static void add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc)
break;
end = __find_rev_next_zero_bit(dmap, max_blocks, start + 1);
if (force && start && end != max_blocks
&& (end - start) < cpc->trim_minlen)
continue;
__add_discard_entry(sbi, cpc, se, start, end);
}
}
@ -705,6 +721,8 @@ void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc)
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
unsigned long *prefree_map = dirty_i->dirty_segmap[PRE];
unsigned int start = 0, end = -1;
unsigned int secno, start_segno;
bool force = (cpc->reason == CP_DISCARD);
mutex_lock(&dirty_i->seglist_lock);
@ -721,17 +739,31 @@ void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc)
dirty_i->nr_dirty[PRE] -= end - start;
if (!test_opt(sbi, DISCARD))
if (force || !test_opt(sbi, DISCARD))
continue;
f2fs_issue_discard(sbi, START_BLOCK(sbi, start),
if (!test_opt(sbi, LFS) || sbi->segs_per_sec == 1) {
f2fs_issue_discard(sbi, START_BLOCK(sbi, start),
(end - start) << sbi->log_blocks_per_seg);
continue;
}
next:
secno = GET_SECNO(sbi, start);
start_segno = secno * sbi->segs_per_sec;
if (!IS_CURSEC(sbi, secno) &&
!get_valid_blocks(sbi, start, sbi->segs_per_sec))
f2fs_issue_discard(sbi, START_BLOCK(sbi, start_segno),
sbi->segs_per_sec << sbi->log_blocks_per_seg);
start = start_segno + sbi->segs_per_sec;
if (start < end)
goto next;
}
mutex_unlock(&dirty_i->seglist_lock);
/* send small discards */
list_for_each_entry_safe(entry, this, head, list) {
if (cpc->reason == CP_DISCARD && entry->len < cpc->trim_minlen)
if (force && entry->len < cpc->trim_minlen)
goto skip;
f2fs_issue_discard(sbi, entry->blkaddr, entry->len);
cpc->trimmed += entry->len;
@ -1219,6 +1251,9 @@ void allocate_new_segments(struct f2fs_sb_info *sbi)
{
int i;
if (test_opt(sbi, LFS))
return;
for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++)
__allocate_new_segments(sbi, i);
}
@ -1392,11 +1427,17 @@ static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio)
{
int type = __get_segment_type(fio->page, fio->type);
if (fio->type == NODE || fio->type == DATA)
mutex_lock(&fio->sbi->wio_mutex[fio->type]);
allocate_data_block(fio->sbi, fio->page, fio->old_blkaddr,
&fio->new_blkaddr, sum, type);
/* writeout dirty page into bdev */
f2fs_submit_page_mbio(fio);
if (fio->type == NODE || fio->type == DATA)
mutex_unlock(&fio->sbi->wio_mutex[fio->type]);
}
void write_meta_page(struct f2fs_sb_info *sbi, struct page *page)
@ -2377,7 +2418,11 @@ int build_segment_manager(struct f2fs_sb_info *sbi)
sm_info->ssa_blkaddr = le32_to_cpu(raw_super->ssa_blkaddr);
sm_info->rec_prefree_segments = sm_info->main_segments *
DEF_RECLAIM_PREFREE_SEGMENTS / 100;
sm_info->ipu_policy = 1 << F2FS_IPU_FSYNC;
if (sm_info->rec_prefree_segments > DEF_MAX_RECLAIM_PREFREE_SEGMENTS)
sm_info->rec_prefree_segments = DEF_MAX_RECLAIM_PREFREE_SEGMENTS;
if (!test_opt(sbi, LFS))
sm_info->ipu_policy = 1 << F2FS_IPU_FSYNC;
sm_info->min_ipu_util = DEF_MIN_IPU_UTIL;
sm_info->min_fsync_blocks = DEF_MIN_FSYNC_BLOCKS;

22
fs/f2fs/segment.h
Просмотреть файл

@ -16,6 +16,7 @@
#define NULL_SECNO ((unsigned int)(~0))
#define DEF_RECLAIM_PREFREE_SEGMENTS 5 /* 5% over total segments */
#define DEF_MAX_RECLAIM_PREFREE_SEGMENTS 4096 /* 8GB in maximum */
/* L: Logical segment # in volume, R: Relative segment # in main area */
#define GET_L2R_SEGNO(free_i, segno) (segno - free_i->start_segno)
@ -470,6 +471,10 @@ static inline bool need_SSR(struct f2fs_sb_info *sbi)
{
int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES);
int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS);
if (test_opt(sbi, LFS))
return false;
return free_sections(sbi) <= (node_secs + 2 * dent_secs +
reserved_sections(sbi) + 1);
}
@ -479,6 +484,8 @@ static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi, int freed)
int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES);
int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS);
node_secs += get_blocktype_secs(sbi, F2FS_DIRTY_IMETA);
if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
return false;
@ -531,6 +538,9 @@ static inline bool need_inplace_update(struct inode *inode)
if (S_ISDIR(inode->i_mode) || f2fs_is_atomic_file(inode))
return false;
if (test_opt(sbi, LFS))
return false;
if (policy & (0x1 << F2FS_IPU_FORCE))
return true;
if (policy & (0x1 << F2FS_IPU_SSR) && need_SSR(sbi))
@ -544,7 +554,7 @@ static inline bool need_inplace_update(struct inode *inode)
/* this is only set during fdatasync */
if (policy & (0x1 << F2FS_IPU_FSYNC) &&
is_inode_flag_set(F2FS_I(inode), FI_NEED_IPU))
is_inode_flag_set(inode, FI_NEED_IPU))
return true;
return false;
@ -706,9 +716,9 @@ static inline int nr_pages_to_skip(struct f2fs_sb_info *sbi, int type)
if (type == DATA)
return sbi->blocks_per_seg;
else if (type == NODE)
return 3 * sbi->blocks_per_seg;
return 8 * sbi->blocks_per_seg;
else if (type == META)
return MAX_BIO_BLOCKS(sbi);
return 8 * MAX_BIO_BLOCKS(sbi);
else
return 0;
}
@ -726,10 +736,8 @@ static inline long nr_pages_to_write(struct f2fs_sb_info *sbi, int type,
nr_to_write = wbc->nr_to_write;
if (type == DATA)
desired = 4096;
else if (type == NODE)
desired = 3 * max_hw_blocks(sbi);
if (type == NODE)
desired = 2 * max_hw_blocks(sbi);
else
desired = MAX_BIO_BLOCKS(sbi);

5
fs/f2fs/shrinker.c
Просмотреть файл

@ -13,6 +13,7 @@
#include <linux/f2fs_fs.h>
#include "f2fs.h"
#include "node.h"
static LIST_HEAD(f2fs_list);
static DEFINE_SPINLOCK(f2fs_list_lock);
@ -25,8 +26,8 @@ static unsigned long __count_nat_entries(struct f2fs_sb_info *sbi)
static unsigned long __count_free_nids(struct f2fs_sb_info *sbi)
{
if (NM_I(sbi)->fcnt > NAT_ENTRY_PER_BLOCK)
return NM_I(sbi)->fcnt - NAT_ENTRY_PER_BLOCK;
if (NM_I(sbi)->fcnt > MAX_FREE_NIDS)
return NM_I(sbi)->fcnt - MAX_FREE_NIDS;
return 0;
}

134
fs/f2fs/super.c
Просмотреть файл

@ -49,6 +49,7 @@ char *fault_name[FAULT_MAX] = {
[FAULT_ORPHAN] = "orphan",
[FAULT_BLOCK] = "no more block",
[FAULT_DIR_DEPTH] = "too big dir depth",
[FAULT_EVICT_INODE] = "evict_inode fail",
};
static void f2fs_build_fault_attr(unsigned int rate)
@ -75,6 +76,7 @@ enum {
Opt_disable_roll_forward,
Opt_norecovery,
Opt_discard,
Opt_nodiscard,
Opt_noheap,
Opt_user_xattr,
Opt_nouser_xattr,
@ -86,13 +88,17 @@ enum {
Opt_inline_data,
Opt_inline_dentry,
Opt_flush_merge,
Opt_noflush_merge,
Opt_nobarrier,
Opt_fastboot,
Opt_extent_cache,
Opt_noextent_cache,
Opt_noinline_data,
Opt_data_flush,
Opt_mode,
Opt_fault_injection,
Opt_lazytime,
Opt_nolazytime,
Opt_err,
};
@ -101,6 +107,7 @@ static match_table_t f2fs_tokens = {
{Opt_disable_roll_forward, "disable_roll_forward"},
{Opt_norecovery, "norecovery"},
{Opt_discard, "discard"},
{Opt_nodiscard, "nodiscard"},
{Opt_noheap, "no_heap"},
{Opt_user_xattr, "user_xattr"},
{Opt_nouser_xattr, "nouser_xattr"},
@ -112,13 +119,17 @@ static match_table_t f2fs_tokens = {
{Opt_inline_data, "inline_data"},
{Opt_inline_dentry, "inline_dentry"},
{Opt_flush_merge, "flush_merge"},
{Opt_noflush_merge, "noflush_merge"},
{Opt_nobarrier, "nobarrier"},
{Opt_fastboot, "fastboot"},
{Opt_extent_cache, "extent_cache"},
{Opt_noextent_cache, "noextent_cache"},
{Opt_noinline_data, "noinline_data"},
{Opt_data_flush, "data_flush"},
{Opt_mode, "mode=%s"},
{Opt_fault_injection, "fault_injection=%u"},
{Opt_lazytime, "lazytime"},
{Opt_nolazytime, "nolazytime"},
{Opt_err, NULL},
};
@ -417,6 +428,8 @@ static int parse_options(struct super_block *sb, char *options)
"the device does not support discard");
}
break;
case Opt_nodiscard:
clear_opt(sbi, DISCARD);
case Opt_noheap:
set_opt(sbi, NOHEAP);
break;
@ -478,6 +491,9 @@ static int parse_options(struct super_block *sb, char *options)
case Opt_flush_merge:
set_opt(sbi, FLUSH_MERGE);
break;
case Opt_noflush_merge:
clear_opt(sbi, FLUSH_MERGE);
break;
case Opt_nobarrier:
set_opt(sbi, NOBARRIER);
break;
@ -496,6 +512,23 @@ static int parse_options(struct super_block *sb, char *options)
case Opt_data_flush:
set_opt(sbi, DATA_FLUSH);
break;
case Opt_mode:
name = match_strdup(&args[0]);
if (!name)
return -ENOMEM;
if (strlen(name) == 8 &&
!strncmp(name, "adaptive", 8)) {
set_opt_mode(sbi, F2FS_MOUNT_ADAPTIVE);
} else if (strlen(name) == 3 &&
!strncmp(name, "lfs", 3)) {
set_opt_mode(sbi, F2FS_MOUNT_LFS);
} else {
kfree(name);
return -EINVAL;
}
kfree(name);
break;
case Opt_fault_injection:
if (args->from && match_int(args, &arg))
return -EINVAL;
@ -506,6 +539,12 @@ static int parse_options(struct super_block *sb, char *options)
"FAULT_INJECTION was not selected");
#endif
break;
case Opt_lazytime:
sb->s_flags |= MS_LAZYTIME;
break;
case Opt_nolazytime:
sb->s_flags &= ~MS_LAZYTIME;
break;
default:
f2fs_msg(sb, KERN_ERR,
"Unrecognized mount option \"%s\" or missing value",
@ -537,13 +576,11 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb)
fi->i_advise = 0;
init_rwsem(&fi->i_sem);
INIT_LIST_HEAD(&fi->dirty_list);
INIT_LIST_HEAD(&fi->gdirty_list);
INIT_LIST_HEAD(&fi->inmem_pages);
mutex_init(&fi->inmem_lock);
set_inode_flag(fi, FI_NEW_INODE);
if (test_opt(F2FS_SB(sb), INLINE_XATTR))
set_inode_flag(fi, FI_INLINE_XATTR);
init_rwsem(&fi->dio_rwsem[READ]);
init_rwsem(&fi->dio_rwsem[WRITE]);
/* Will be used by directory only */
fi->i_dir_level = F2FS_SB(sb)->dir_level;
@ -559,7 +596,7 @@ static int f2fs_drop_inode(struct inode *inode)
* - f2fs_gc -> iput -> evict
* - inode_wait_for_writeback(inode)
*/
if (!inode_unhashed(inode) && inode->i_state & I_SYNC) {
if ((!inode_unhashed(inode) && inode->i_state & I_SYNC)) {
if (!inode->i_nlink && !is_bad_inode(inode)) {
/* to avoid evict_inode call simultaneously */
atomic_inc(&inode->i_count);
@ -573,10 +610,10 @@ static int f2fs_drop_inode(struct inode *inode)
f2fs_destroy_extent_node(inode);
sb_start_intwrite(inode->i_sb);
i_size_write(inode, 0);
f2fs_i_size_write(inode, 0);
if (F2FS_HAS_BLOCKS(inode))
f2fs_truncate(inode, true);
f2fs_truncate(inode);
sb_end_intwrite(inode->i_sb);
@ -586,9 +623,47 @@ static int f2fs_drop_inode(struct inode *inode)
}
return 0;
}
return generic_drop_inode(inode);
}
int f2fs_inode_dirtied(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
spin_lock(&sbi->inode_lock[DIRTY_META]);
if (is_inode_flag_set(inode, FI_DIRTY_INODE)) {
spin_unlock(&sbi->inode_lock[DIRTY_META]);
return 1;
}
set_inode_flag(inode, FI_DIRTY_INODE);
list_add_tail(&F2FS_I(inode)->gdirty_list,
&sbi->inode_list[DIRTY_META]);
inc_page_count(sbi, F2FS_DIRTY_IMETA);
stat_inc_dirty_inode(sbi, DIRTY_META);
spin_unlock(&sbi->inode_lock[DIRTY_META]);
return 0;
}
void f2fs_inode_synced(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
spin_lock(&sbi->inode_lock[DIRTY_META]);
if (!is_inode_flag_set(inode, FI_DIRTY_INODE)) {
spin_unlock(&sbi->inode_lock[DIRTY_META]);
return;
}
list_del_init(&F2FS_I(inode)->gdirty_list);
clear_inode_flag(inode, FI_DIRTY_INODE);
clear_inode_flag(inode, FI_AUTO_RECOVER);
dec_page_count(sbi, F2FS_DIRTY_IMETA);
stat_dec_dirty_inode(F2FS_I_SB(inode), DIRTY_META);
spin_unlock(&sbi->inode_lock[DIRTY_META]);
}
/*
* f2fs_dirty_inode() is called from __mark_inode_dirty()
*
@ -596,7 +671,19 @@ static int f2fs_drop_inode(struct inode *inode)
*/
static void f2fs_dirty_inode(struct inode *inode, int flags)
{
set_inode_flag(F2FS_I(inode), FI_DIRTY_INODE);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
if (inode->i_ino == F2FS_NODE_INO(sbi) ||
inode->i_ino == F2FS_META_INO(sbi))
return;
if (flags == I_DIRTY_TIME)
return;
if (is_inode_flag_set(inode, FI_AUTO_RECOVER))
clear_inode_flag(inode, FI_AUTO_RECOVER);
f2fs_inode_dirtied(inode);
}
static void f2fs_i_callback(struct rcu_head *head)
@ -619,6 +706,8 @@ static void destroy_percpu_info(struct f2fs_sb_info *sbi)
percpu_counter_destroy(&sbi->nr_pages[i]);
percpu_counter_destroy(&sbi->alloc_valid_block_count);
percpu_counter_destroy(&sbi->total_valid_inode_count);
percpu_free_rwsem(&sbi->cp_rwsem);
}
static void f2fs_put_super(struct super_block *sb)
@ -738,7 +827,7 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_bsize = sbi->blocksize;
buf->f_blocks = total_count - start_count;
buf->f_bfree = buf->f_blocks - valid_user_blocks(sbi) - ovp_count;
buf->f_bfree = user_block_count - valid_user_blocks(sbi) + ovp_count;
buf->f_bavail = user_block_count - valid_user_blocks(sbi);
buf->f_files = sbi->total_node_count - F2FS_RESERVED_NODE_NUM;
@ -803,6 +892,12 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
seq_puts(seq, ",noextent_cache");
if (test_opt(sbi, DATA_FLUSH))
seq_puts(seq, ",data_flush");
seq_puts(seq, ",mode=");
if (test_opt(sbi, ADAPTIVE))
seq_puts(seq, "adaptive");
else if (test_opt(sbi, LFS))
seq_puts(seq, "lfs");
seq_printf(seq, ",active_logs=%u", sbi->active_logs);
return 0;
@ -884,6 +979,14 @@ static void default_options(struct f2fs_sb_info *sbi)
set_opt(sbi, BG_GC);
set_opt(sbi, INLINE_DATA);
set_opt(sbi, EXTENT_CACHE);
sbi->sb->s_flags |= MS_LAZYTIME;
set_opt(sbi, FLUSH_MERGE);
if (f2fs_sb_mounted_hmsmr(sbi->sb)) {
set_opt_mode(sbi, F2FS_MOUNT_LFS);
set_opt(sbi, DISCARD);
} else {
set_opt_mode(sbi, F2FS_MOUNT_ADAPTIVE);
}
#ifdef CONFIG_F2FS_FS_XATTR
set_opt(sbi, XATTR_USER);
@ -1367,6 +1470,8 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
INIT_LIST_HEAD(&sbi->s_list);
mutex_init(&sbi->umount_mutex);
mutex_init(&sbi->wio_mutex[NODE]);
mutex_init(&sbi->wio_mutex[DATA]);
#ifdef CONFIG_F2FS_FS_ENCRYPTION
memcpy(sbi->key_prefix, F2FS_KEY_DESC_PREFIX,
@ -1379,6 +1484,9 @@ static int init_percpu_info(struct f2fs_sb_info *sbi)
{
int i, err;
if (percpu_init_rwsem(&sbi->cp_rwsem))
return -ENOMEM;
for (i = 0; i < NR_COUNT_TYPE; i++) {
err = percpu_counter_init(&sbi->nr_pages[i], 0, GFP_KERNEL);
if (err)
@ -1530,6 +1638,8 @@ try_onemore:
goto free_sbi;
sb->s_fs_info = sbi;
sbi->raw_super = raw_super;
default_options(sbi);
/* parse mount options */
options = kstrdup((const char *)data, GFP_KERNEL);
@ -1559,10 +1669,8 @@ try_onemore:
memcpy(sb->s_uuid, raw_super->uuid, sizeof(raw_super->uuid));
/* init f2fs-specific super block info */
sbi->raw_super = raw_super;
sbi->valid_super_block = valid_super_block;
mutex_init(&sbi->gc_mutex);
mutex_init(&sbi->writepages);
mutex_init(&sbi->cp_mutex);
init_rwsem(&sbi->node_write);
@ -1579,7 +1687,6 @@ try_onemore:
sbi->write_io[i].bio = NULL;
}
init_rwsem(&sbi->cp_rwsem);
init_waitqueue_head(&sbi->cp_wait);
init_sb_info(sbi);
@ -1762,6 +1869,7 @@ try_onemore:
return 0;
free_kobj:
f2fs_sync_inode_meta(sbi);
kobject_del(&sbi->s_kobj);
kobject_put(&sbi->s_kobj);
wait_for_completion(&sbi->s_kobj_unregister);

20
fs/f2fs/xattr.c
Просмотреть файл

@ -106,7 +106,7 @@ static int f2fs_xattr_advise_set(const struct xattr_handler *handler,
return -EINVAL;
F2FS_I(inode)->i_advise |= *(char *)value;
mark_inode_dirty(inode);
f2fs_mark_inode_dirty_sync(inode);
return 0;
}
@ -299,6 +299,7 @@ static inline int write_all_xattrs(struct inode *inode, __u32 hsize,
if (ipage) {
inline_addr = inline_xattr_addr(ipage);
f2fs_wait_on_page_writeback(ipage, NODE, true);
set_page_dirty(ipage);
} else {
page = get_node_page(sbi, inode->i_ino);
if (IS_ERR(page)) {
@ -441,13 +442,12 @@ static int __f2fs_setxattr(struct inode *inode, int index,
const char *name, const void *value, size_t size,
struct page *ipage, int flags)
{
struct f2fs_inode_info *fi = F2FS_I(inode);
struct f2fs_xattr_entry *here, *last;
void *base_addr;
int found, newsize;
size_t len;
__u32 new_hsize;
int error = -ENOMEM;
int error = 0;
if (name == NULL)
return -EINVAL;
@ -465,7 +465,7 @@ static int __f2fs_setxattr(struct inode *inode, int index,
base_addr = read_all_xattrs(inode, ipage);
if (!base_addr)
goto exit;
return -ENOMEM;
/* find entry with wanted name. */
here = __find_xattr(base_addr, index, len, name);
@ -539,19 +539,15 @@ static int __f2fs_setxattr(struct inode *inode, int index,
if (error)
goto exit;
if (is_inode_flag_set(fi, FI_ACL_MODE)) {
inode->i_mode = fi->i_acl_mode;
if (is_inode_flag_set(inode, FI_ACL_MODE)) {
inode->i_mode = F2FS_I(inode)->i_acl_mode;
inode->i_ctime = CURRENT_TIME;
clear_inode_flag(fi, FI_ACL_MODE);
clear_inode_flag(inode, FI_ACL_MODE);
}
if (index == F2FS_XATTR_INDEX_ENCRYPTION &&
!strcmp(name, F2FS_XATTR_NAME_ENCRYPTION_CONTEXT))
f2fs_set_encrypted_inode(inode);
if (ipage)
update_inode(inode, ipage);
else
update_inode_page(inode);
f2fs_mark_inode_dirty_sync(inode);
exit:
kzfree(base_addr);
return error;