David Sterba fe30853307 btrfs: add memalloc_nofs protections around alloc_workspace callback ... The workspaces are preallocated at the beginning where we can safely use GFP_KERNEL, but in some cases the find_workspace might reach the allocation again, now in a more restricted context when the bios or pages are being compressed. To avoid potential lockup when alloc_workspace -> vmalloc would silently use the GFP_KERNEL, add the memalloc_nofs helpers around the critical call site. Reviewed-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>		2017-06-19 18:26:02 +02:00
..
tests	Btrfs: replace tree->mapping with tree->private_data	2017-06-19 18:25:58 +02:00
Kconfig	…
Makefile	Btrfs: add free space tree sanity tests	2015-12-17 12:16:47 -08:00
acl.c	posix_acl: Clear SGID bit when setting file permissions	2016-09-22 10:55:32 +02:00
async-thread.c	btrfs: fix crash when tracepoint arguments are freed by wq callbacks	2017-01-09 11:24:50 +01:00
async-thread.h	btrfs: limit async_work allocation and worker func duration	2016-12-13 11:01:30 -08:00
backref.c	btrfs: use GFP_KERNEL in init_ipath	2017-06-19 18:26:02 +02:00
backref.h	…
btrfs_inode.h	Btrfs: fix reported number of inode blocks	2017-04-26 16:27:26 +01:00
check-integrity.c	btrfs: replace opencoded kvzalloc with the helper	2017-06-19 18:26:01 +02:00
check-integrity.h	btrfs: take an fs_info directly when the root is not used otherwise	2016-12-06 16:06:59 +01:00
compression.c	btrfs: add memalloc_nofs protections around alloc_workspace callback	2017-06-19 18:26:02 +02:00
compression.h	btrfs: reduce arguments for decompress_bio ops	2017-06-19 18:26:00 +02:00
ctree.c	btrfs: adjust includes after vmalloc removal	2017-06-19 18:26:02 +02:00
ctree.h	btrfs: use generic slab for for btrfs_transaction	2017-06-19 18:26:01 +02:00
dedupe.h	btrfs: expand cow_file_range() to support in-band dedup and subpage-blocksize	2016-07-26 13:52:25 +02:00
delayed-inode.c	btrfs: convert btrfs_delayed_item.refs from atomic_t to refcount_t	2017-04-18 14:07:23 +02:00
delayed-inode.h	btrfs: convert btrfs_delayed_item.refs from atomic_t to refcount_t	2017-04-18 14:07:23 +02:00
delayed-ref.c	btrfs: convert btrfs_delayed_ref_node.refs from atomic_t to refcount_t	2017-04-18 14:07:23 +02:00
delayed-ref.h	btrfs: convert btrfs_delayed_ref_node.refs from atomic_t to refcount_t	2017-04-18 14:07:23 +02:00
dev-replace.c	Btrfs: switch to div64_u64 if with a u64 divisor	2017-04-18 14:07:26 +02:00
dev-replace.h	btrfs: constify device path passed to relevant helpers	2017-02-28 14:26:07 +01:00
dir-item.c	btrfs: tree-log.c: Wrong printk information about namelen	2017-06-09 12:48:07 -07:00
disk-io.c	btrfs: use generic slab for for btrfs_transaction	2017-06-19 18:26:01 +02:00
disk-io.h	btrfs: btrfs_wait_tree_block_writeback can be void return	2017-06-19 18:26:01 +02:00
export.c	btrfs: Make btrfs_ino take a struct btrfs_inode	2017-02-14 15:50:51 +01:00
export.h	…
extent-tree.c	btrfs: Refactor update_space_info	2017-06-19 18:26:00 +02:00
extent_io.c	btrfs: rename btrfs_leaf_data to BTRFS_LEAF_DATA_OFFSET	2017-06-19 18:26:00 +02:00
extent_io.h	Btrfs: hardcode GFP_NOFS for btrfs_bio_clone_partial	2017-06-19 18:25:59 +02:00
extent_map.c	btrfs: convert extent_map.refs from atomic_t to refcount_t	2017-04-18 14:07:23 +02:00
extent_map.h	btrfs: convert extent_map.refs from atomic_t to refcount_t	2017-04-18 14:07:23 +02:00
file-item.c	Btrfs: change how we iterate bios in endio	2017-06-19 18:25:59 +02:00
file.c	Merge branch 'for-chris-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/fdmanana/linux into for-linus-4.12	2017-04-27 14:13:09 -07:00
free-space-cache.c	btrfs: use clear_page where appropriate	2017-04-18 14:07:26 +02:00
free-space-cache.h	btrfs: free-space-cache, clean up unnecessary root arguments	2017-02-17 12:03:56 +01:00
free-space-tree.c	Btrfs: use memalloc_nofs and kvzalloc() for free space tree bitmaps	2017-06-19 18:26:01 +02:00
free-space-tree.h	Btrfs: implement the free space B-tree	2015-12-17 12:16:47 -08:00
hash.c	crypto: Work around deallocated stack frame reference gcc bug on sparc.	2017-06-08 17:36:03 +08:00
hash.h	btrfs: advertise which crc32c implementation is being used at module load	2016-06-06 14:08:28 +02:00
inode-item.c	btrfs: take an fs_info directly when the root is not used otherwise	2016-12-06 16:06:59 +01:00
inode-map.c	btrfs: all btrfs_delalloc_release_metadata take btrfs_inode	2017-02-28 11:30:07 +01:00
inode-map.h	Btrfs: Initialize btrfs_root->highest_objectid when loading tree root and subvolume roots	2016-01-15 19:25:02 +01:00
inode.c	btrfs: simplify code with bio_io_error	2017-06-19 18:26:01 +02:00
ioctl.c	btrfs: use GFP_KERNEL in init_ipath	2017-06-19 18:26:02 +02:00
locking.c	btrfs: cleanup, remove stray return statements	2016-01-07 14:30:52 +01:00
locking.h	…
lzo.c	Btrfs: lzo: compressed data size must be less then input size	2017-06-19 18:26:01 +02:00
math.h	…
ordered-data.c	btrfs: convert btrfs_ordered_extent.refs from atomic_t to refcount_t	2017-04-18 14:07:23 +02:00
ordered-data.h	btrfs: convert btrfs_ordered_extent.refs from atomic_t to refcount_t	2017-04-18 14:07:23 +02:00
orphan.c	…
print-tree.c	Btrfs: let btrfs_print_leaf print more about block group	2017-06-19 18:26:00 +02:00
print-tree.h	btrfs: take an fs_info directly when the root is not used otherwise	2016-12-06 16:06:59 +01:00
props.c	btrfs: Make btrfs_ino take a struct btrfs_inode	2017-02-14 15:50:51 +01:00
props.h	…
qgroup.c	btrfs: add quota override flag to enable quota override for CAP_SYS_RESOURCE	2017-06-19 18:25:58 +02:00
qgroup.h	btrfs: qgroup: Re-arrange tracepoint timing to co-operate with reserved space tracepoint	2017-04-18 14:07:26 +02:00
raid56.c	btrfs: replace opencoded kvzalloc with the helper	2017-06-19 18:26:01 +02:00
raid56.h	btrfs: take an fs_info directly when the root is not used otherwise	2016-12-06 16:06:59 +01:00
rcu-string.h	…
reada.c	btrfs: remove unused member err from reada_extent	2017-06-19 18:25:59 +02:00
relocation.c	Btrfs: replace tree->mapping with tree->private_data	2017-06-19 18:25:58 +02:00
root-tree.c	btrfs: Use ktime_get_real_ts for root ctime	2017-04-18 14:07:27 +02:00
scrub.c	btrfs: scrub: add memalloc_nofs protection around init_ipath	2017-06-19 18:26:02 +02:00
send.c	btrfs: send: use kvmalloc in iterate_dir_item	2017-06-19 18:26:02 +02:00
send.h	Btrfs: use linux/sizes.h to represent constants	2016-01-07 14:38:02 +01:00
struct-funcs.c	btrfs: fix string and comment grammatical issues and typos	2016-05-25 22:35:14 +02:00
super.c	btrfs: cleanup root usage by btrfs_get_alloc_profile	2017-06-19 18:25:59 +02:00
sysfs.c	btrfs: Add quota_override knob into sysfs	2017-06-19 18:25:58 +02:00
sysfs.h	btrfs: sysfs: introduce helper for syncing bits with sysfs files	2016-01-21 18:50:40 +01:00
transaction.c	btrfs: use generic slab for for btrfs_transaction	2017-06-19 18:26:01 +02:00
transaction.h	btrfs: remove unused qgroup members from btrfs_trans_handle	2017-04-18 14:07:25 +02:00
tree-defrag.c	Btrfs: fix locking bugs when defragging leaves	2015-12-18 02:51:32 +00:00
tree-log.c	btrfs: convert extent_map.refs from atomic_t to refcount_t	2017-04-18 14:07:23 +02:00
tree-log.h	btrfs: Make btrfs_del_inode_ref take btrfs_inode	2017-02-14 15:50:54 +01:00
ulist.c	btrfs: ulist: rename ulist_fini to ulist_release	2017-02-17 12:03:50 +01:00
ulist.h	btrfs: ulist: rename ulist_fini to ulist_release	2017-02-17 12:03:50 +01:00
uuid-tree.c	btrfs: return the actual error value from from btrfs_uuid_tree_iterate	2016-12-19 18:08:15 +01:00
volumes.c	btrfs: cleanup root usage by btrfs_get_alloc_profile	2017-06-19 18:25:59 +02:00
volumes.h	Btrfs: change how we iterate bios in endio	2017-06-19 18:25:59 +02:00
xattr.c	btrfs: fix over-80 lines introduced by previous cleanups	2017-02-14 15:50:57 +01:00
xattr.h	btrfs: Switch to generic xattr handlers	2016-05-17 19:17:09 -04:00
zlib.c	btrfs: reduce arguments for decompress_bio ops	2017-06-19 18:26:00 +02:00