Joel Becker 693c241a5f ocfs2: No need to zero pages past i_size. ... When ocfs2 fills a hole, it does so by allocating clusters. When a cluster is larger than the write, ocfs2 must zero the portions of the cluster outside of the write. If the clustersize is smaller than a pagecache page, this is handled by the normal pagecache mechanisms, but when the clustersize is larger than a page, ocfs2's write code will zero the pages adjacent to the write. This makes sure the entire cluster is zeroed correctly. Currently ocfs2 behaves exactly the same when writing past i_size. However, this means ocfs2 is writing zeroed pages for portions of a new cluster that are beyond i_size. The page writeback code isn't expecting this. It treats all pages past the one containing i_size as left behind due to a previous truncate operation. Thankfully, ocfs2 calculates the number of pages it will be working on up front. The rest of the write code merely honors the original calculation. We can simply trim the number of pages to only cover the actual file data. Signed-off-by: Joel Becker <joel.becker@oracle.com> Cc: stable@kernel.org		2010-07-12 13:55:27 -07:00
..
9p	drop unused dentry argument to ->fsync	2010-05-27 22:05:02 -04:00
adfs	kill spurious reference to vmtruncate	2010-05-27 22:15:42 -04:00
affs	drop unused dentry argument to ->fsync	2010-05-27 22:05:02 -04:00
afs	AFS: Fix possible null pointer dereference in afs_alloc_server()	2010-06-01 09:26:36 -07:00
autofs	fs/: do not fallback to default_llseek() when readdir() uses BKL	2010-05-27 09:12:56 -07:00
autofs4	fs/autofs4: use memdup_user	2010-05-27 09:12:41 -07:00
befs	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
bfs	rename the generic fsync implementations	2010-05-27 22:06:06 -04:00
btrfs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable	2010-06-11 14:18:47 -07:00
cachefiles	CacheFiles: Fix error handling in cachefiles_determine_cache_security()	2010-05-12 18:23:58 -07:00
ceph	ceph: try to send partial cap release on cap message on missing inode	2010-06-10 13:30:25 -07:00
cifs	cifs: fix page refcount leak	2010-06-01 17:15:52 +00:00
coda	drop unused dentry argument to ->fsync	2010-05-27 22:05:02 -04:00
configfs	fix setattr error handling in sysfs, configfs	2010-06-04 17:16:29 -04:00
cramfs	…
debugfs	Add x64 support to debugfs	2010-05-19 22:41:57 -04:00
devpts	Simplify devpts_get_sb() failure exits	2010-05-21 18:31:12 -04:00
dlm	dlm: fix ast ordering for user locks	2010-04-30 14:52:51 -05:00
ecryptfs	kill spurious reference to vmtruncate	2010-05-27 22:15:42 -04:00
efs	…
exofs	drop unused dentry argument to ->fsync	2010-05-27 22:05:02 -04:00
exportfs	…
ext2	fix truncate inode time modification breakage	2010-06-04 17:16:30 -04:00
ext3	Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6	2010-05-30 09:11:11 -07:00
ext4	ext4: Fix remaining racy updates of EXT4_I(inode)->i_flags	2010-06-05 11:51:27 -04:00
fat	fat: convert to use the new truncate convention.	2010-05-27 22:16:02 -04:00
freevxfs	fs/: do not fallback to default_llseek() when readdir() uses BKL	2010-05-27 09:12:56 -07:00
fscache	FS-Cache: Remove unneeded null checks	2010-06-01 13:32:11 -07:00
fuse	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse	2010-05-30 09:16:14 -07:00
gfs2	kill spurious reference to vmtruncate	2010-05-27 22:15:42 -04:00
hfs	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
hfsplus	hfsplus: Push down BKL into ioctl function	2010-05-17 05:27:03 +02:00
hostfs	drop unused dentry argument to ->fsync	2010-05-27 22:05:02 -04:00
hpfs	drop unused dentry argument to ->fsync	2010-05-27 22:05:02 -04:00
hppfs	drop unused dentry argument to ->fsync	2010-05-27 22:05:02 -04:00
hugetlbfs	rename the generic fsync implementations	2010-05-27 22:06:06 -04:00
isofs	fs/: do not fallback to default_llseek() when readdir() uses BKL	2010-05-27 09:12:56 -07:00
jbd	ext3: Fix waiting on transaction during fsync	2010-05-21 19:30:41 +02:00
jbd2	Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4	2010-05-27 10:26:37 -07:00
jffs2	Merge git://git.infradead.org/~dwmw2/mtd-2.6.35	2010-06-07 17:10:06 -07:00
jfs	Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6	2010-05-30 09:11:11 -07:00
lockd	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
logfs	drop unused dentry argument to ->fsync	2010-05-27 22:05:02 -04:00
minix	Minix: Clean up left over label	2010-06-04 17:16:30 -04:00
ncpfs	drop unused dentry argument to ->fsync	2010-05-27 22:05:02 -04:00
nfs	drop unused dentry argument to ->fsync	2010-05-27 22:05:02 -04:00
nfs_common	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
nfsd	Merge branch 'for-2.6.35' of git://linux-nfs.org/~bfields/linux	2010-06-09 12:43:04 -07:00
nilfs2	nilfs2: remove obsolete declarations of cache constructor and destructor	2010-05-31 20:50:29 +09:00
nls	…
notify	Saner locking around deactivate_super()	2010-05-21 18:31:14 -04:00
ntfs	drop unused dentry argument to ->fsync	2010-05-27 22:05:02 -04:00
ocfs2	ocfs2: No need to zero pages past i_size.	2010-07-12 13:55:27 -07:00
omfs	rename the generic fsync implementations	2010-05-27 22:06:06 -04:00
openpromfs	…
partitions	fs: ldm: don't use own implementation of hex_to_bin()	2010-05-25 08:07:06 -07:00
proc	kcore: add _text to KCORE_TEXT	2010-05-27 09:12:47 -07:00
qnx4	rename the generic fsync implementations	2010-05-27 22:06:06 -04:00
quota	Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6	2010-05-30 09:11:11 -07:00
ramfs	fs: convert simple fs to new truncate	2010-05-27 22:15:47 -04:00
reiserfs	Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6	2010-05-30 09:11:11 -07:00
romfs	fix leak in romfs_fill_super()	2010-01-26 22:22:26 -05:00
smbfs	kill spurious reference to vmtruncate	2010-05-27 22:15:42 -04:00
squashfs	squashfs: fix name reading in squashfs_xattr_get	2010-05-23 08:27:42 +01:00
sysfs	fix setattr error handling in sysfs, configfs	2010-06-04 17:16:29 -04:00
sysv	fix fs/sysv s_dirt handling	2010-05-27 22:16:05 -04:00
ubifs	kill spurious reference to vmtruncate	2010-05-27 22:15:42 -04:00
udf	Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6	2010-05-30 09:11:11 -07:00
ufs	Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6	2010-05-30 09:11:11 -07:00
xfs	xfs: remove nr_to_write writeback windup.	2010-06-08 18:12:44 -07:00
Kconfig	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client	2010-03-19 09:43:06 -07:00
Kconfig.binfmt	…
Makefile	Take statfs variants to fs/statfs.c	2010-05-21 18:31:17 -04:00
aio.c	get rid of the magic around f_count in aio	2010-05-27 22:03:07 -04:00
anon_inodes.c	Revert "anon_inode: set S_IFREG on the anon_inode"	2010-05-27 22:03:05 -04:00
attr.c	fs: introduce new truncate sequence	2010-05-27 22:15:33 -04:00
bad_inode.c	drop unused dentry argument to ->fsync	2010-05-27 22:05:02 -04:00
binfmt_aout.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
binfmt_elf.c	coredump: pass mm->flags as a coredump parameter for consistency	2010-03-06 11:26:46 -08:00
binfmt_elf_fdpic.c	binfmt_elf_fdpic: Fix clear_user() error handling	2010-06-01 08:11:06 -07:00
binfmt_em86.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
binfmt_flat.c	flat: fix unmap len in load error path	2010-06-04 15:21:45 -07:00
binfmt_misc.c	…
binfmt_script.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
binfmt_som.c	Split 'flush_old_exec' into two functions	2010-01-29 08:22:01 -08:00
bio-integrity.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
bio.c	Merge branch 'master' into for-linus	2010-03-19 08:05:10 +01:00
block_dev.c	block: remove duplicate BUG_ON() in bd_finish_claiming()	2010-06-10 19:08:34 +02:00
buffer.c	fs: introduce new truncate sequence	2010-05-27 22:15:33 -04:00
char_dev.c	…
compat.c	fs/compat_rw_copy_check_uvector: add missing compat_ptr call	2010-06-04 15:21:44 -07:00
compat_binfmt_elf.c	elf coredump: replace ELF_CORE_EXTRA_* macros by functions	2010-03-06 11:26:45 -08:00
compat_ioctl.c	pktcdvd: improve BKL and compat_ioctl.c usage	2010-04-29 08:44:37 -07:00
dcache.c	fix prune_dcache()/umount() race	2010-05-21 18:31:16 -04:00
dcookies.c	…
direct-io.c	fs: introduce new truncate sequence	2010-05-27 22:15:33 -04:00
drop_caches.c	new helper: iterate_supers()	2010-05-21 18:31:16 -04:00
eventfd.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
eventpoll.c	sched, wait: Use wrapper functions	2010-05-11 17:43:58 +02:00
exec.c	exit: avoid sig->count in de_thread/__exit_signal synchronization	2010-05-27 09:12:46 -07:00
fcntl.c	fcntl: return -EFAULT if copy_to_user fails	2010-06-04 17:16:28 -04:00
fifo.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
file.c	fs: use rlimit helpers	2010-03-06 11:26:29 -08:00
file_table.c	get rid of the magic around f_count in aio	2010-05-27 22:03:07 -04:00
filesystems.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
fs-writeback.c	Merge branch 'master' into for-linus	2010-06-01 12:42:12 +02:00
fs_struct.c	…
generic_acl.c	fs: xattr_handler table should be const	2010-05-21 18:31:18 -04:00
inode.c	vfs: Add inode uid,gid,mode init helper	2010-05-21 18:31:22 -04:00
internal.h	Bury __put_super_and_need_restart()	2010-05-21 18:31:16 -04:00
ioctl.c	Introduce freeze_super and thaw_super for the fsfreeze ioctl	2010-05-21 18:31:18 -04:00
ioprio.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
libfs.c	wrong type for 'magic' argument in simple_fill_super()	2010-06-04 17:16:28 -04:00
locks.c	Merge branch 'for-next' into for-linus	2010-03-08 16:55:37 +01:00
mbcache.c	…
mpage.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
namei.c	VFS: fix recent breakage of FS_REVAL_DOT	2010-05-27 22:03:06 -04:00
namespace.c	Merge branch 'next' into for-linus	2010-05-18 08:57:00 +10:00
nfsctl.c	Switch may_open() and break_lease() to passing O_...	2010-03-03 13:00:21 -05:00
no-block.c	…
open.c	Take statfs variants to fs/statfs.c	2010-05-21 18:31:17 -04:00
pipe.c	pipe: fix check in "set size" fcntl	2010-06-10 19:08:34 +02:00
pnode.c	Kill CL_PROPAGATION, sanitize fs/pnode.c:get_source()	2010-03-03 13:00:22 -05:00
pnode.h	VFS: Clean up shared mount flag propagation	2010-03-03 14:07:55 -05:00
posix_acl.c	…
read_write.c	vfs: introduce noop_llseek()	2010-05-27 09:12:56 -07:00
read_write.h	…
readdir.c	…
select.c	Add generic sys_old_select()	2010-03-12 15:52:32 -08:00
seq_file.c	seq_file: fix new kernel-doc warnings	2010-03-07 15:48:26 -08:00
signalfd.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
splice.c	fs/splice.c: fix mapping_gfp_mask usage	2010-05-25 10:25:26 +02:00
stack.c	VFS/fsstack: handle 32-bit smp + preempt + large files in fsstack_copy_inode_size	2009-12-17 10:58:17 -05:00
stat.c	Add unlocked version of inode_add_bytes() function	2009-12-23 13:33:54 +01:00
statfs.c	Take statfs variants to fs/statfs.c	2010-05-21 18:31:17 -04:00
super.c	Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6	2010-05-30 09:11:11 -07:00
sync.c	Merge branch 'master' into for-linus	2010-06-01 12:42:12 +02:00
timerfd.c	fs/timerfd.c: make use of wait_event_interruptible_locked_irq()	2010-05-20 13:21:42 -07:00
utimes.c	…
xattr.c	fs: xattr_handler table should be const	2010-05-21 18:31:18 -04:00
xattr_acl.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00