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072bd7ea74d4b60149a33967d29666bbd84e7709
linux/fs
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Theodore Ts'o 072bd7ea74 ext4: use truncate_setsize() unconditionally 
In commit c8d46e41 (ext4: Add flag to files with blocks intentionally
past EOF), if the EOFBLOCKS_FL flag is set, we call ext4_truncate()
before calling vmtruncate().  This caused any allocated but unwritten
blocks created by calling fallocate() with the FALLOC_FL_KEEP_SIZE
flag to be dropped.  This was done to make to make sure that
EOFBLOCKS_FL would not be cleared while still leaving blocks past
i_size allocated.  This was not necessary, since ext4_truncate()
guarantees that blocks past i_size will be dropped, even in the case
where truncate() has increased i_size before calling ext4_truncate().

So fix this by removing the EOFBLOCKS_FL special case treatment in
ext4_setattr().  In addition, use truncate_setsize() followed by a
call to ext4_truncate() instead of using vmtruncate().  This is more
efficient since it skips the call to inode_newsize_ok(), which has
been checked already by inode_change_ok().  This is also in a win in
the case where EOFBLOCKS_FL is set since it avoids calling
ext4_truncate() twice.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2011-05-23 15:13:02 -04:00
..
9p
userns: rename is_owner_or_cap to inode_owner_or_capable
2011-03-23 19:47:13 -07:00
adfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
affs
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
afs
Fix common misspellings
2011-03-31 11:26:23 -03:00
autofs4
Fix common misspellings
2011-03-31 11:26:23 -03:00
befs
Fix common misspellings
2011-03-31 11:26:23 -03:00
bfs
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
btrfs
Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6
2011-04-07 11:14:49 -07:00
cachefiles
Fix common misspellings
2011-03-31 11:26:23 -03:00
ceph
Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6
2011-04-07 11:14:49 -07:00
cifs
Fix common misspellings
2011-03-31 11:26:23 -03:00
coda
codafs: fix build break when CONFIG_PROC_SYSCTL=n
2011-03-25 17:45:16 -07:00
configfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
cramfs
cramfs: generate unique inode number for better inode cache usage
2011-01-13 08:03:23 -08:00
debugfs
debugfs: Fix filesystem reference counting on debugfs_remove() failure
2011-02-18 08:07:18 -08:00
devpts
fs/devpts/inode.c: correctly check d_alloc_name() return code in devpts_pty_new()
2011-03-22 17:44:17 -07:00
dlm
Fix common misspellings
2011-03-31 11:26:23 -03:00
ecryptfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
efs
block: remove per-queue plugging
2011-03-10 08:52:07 +01:00
exofs
Fix common misspellings
2011-03-31 11:26:23 -03:00
exportfs
vfs: Add open by file handle support
2011-03-15 02:21:44 -04:00
ext2
Fix common misspellings
2011-03-31 11:26:23 -03:00
ext3
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6
2011-04-08 07:35:17 -07:00
ext4
ext4: use truncate_setsize() unconditionally
2011-05-23 15:13:02 -04:00
fat
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
freevxfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
fscache
FS-Cache: Fix operation handling
2011-01-14 09:23:36 -08:00
fuse
Fix common misspellings
2011-03-31 11:26:23 -03:00
gfs2
Fix common misspellings
2011-03-31 11:26:23 -03:00
hfs
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
hfsplus
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
hostfs
switch hostfs
2011-01-12 20:03:42 -05:00
hpfs
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
hppfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
hugetlbfs
mm: hugetlbfs: change remove_from_page_cache
2011-03-22 17:44:02 -07:00
isofs
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
jbd
Fix common misspellings
2011-03-31 11:26:23 -03:00
jbd2
jbd2: Fix the wrong calculation of t_max_wait in update_t_max_wait
2011-05-22 21:45:26 -04:00
jffs2
Fix common misspellings
2011-03-31 11:26:23 -03:00
jfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
lockd
NLM: Fix "kernel BUG at fs/lockd/host.c:417!" or ".../host.c:283!"
2011-01-25 15:24:47 -05:00
logfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
minix
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
ncpfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
nfs
Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6
2011-04-08 11:47:35 -07:00
nfs_common
Fix common misspellings
2011-03-31 11:26:23 -03:00
nfsd
Merge branch 'for-2.6.39' of git://linux-nfs.org/~bfields/linux
2011-04-11 15:45:17 -07:00
nilfs2
fs: export empty_aops
2011-04-05 23:51:48 +02:00
nls
…
notify
Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6
2011-04-07 11:14:49 -07:00
ntfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
ocfs2
Fix common misspellings
2011-03-31 11:26:23 -03:00
omfs
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
openpromfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
partitions
Fix common misspellings
2011-03-31 11:26:23 -03:00
proc
Fix common misspellings
2011-03-31 11:26:23 -03:00
pstore
Fix common misspellings
2011-03-31 11:26:23 -03:00
qnx4
block: remove per-queue plugging
2011-03-10 08:52:07 +01:00
quota
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6
2011-04-08 07:35:17 -07:00
ramfs
convert get_sb_nodev() users
2010-10-29 04:16:31 -04:00
reiserfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
romfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
squashfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
sysfs
kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT
2011-01-20 17:02:05 -08:00
sysv
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
ubifs
Merge branch 'for-linus' of git://git.infradead.org/ubifs-2.6
2011-04-07 11:31:03 -07:00
udf
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
ufs
Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6
2011-04-07 11:14:49 -07:00
xfs
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
2011-04-11 15:48:57 -07:00
aio.c
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
anon_inodes.c
sanitize vfsmount refcounting changes
2011-01-16 13:47:07 -05:00
attr.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
bad_inode.c
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
binfmt_aout.c
Don't dump task struct in a.out core-dumps
2010-10-14 10:57:40 -07:00
binfmt_elf_fdpic.c
…
binfmt_elf.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2011-03-23 20:51:42 -07:00
binfmt_em86.c
…
binfmt_flat.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
binfmt_misc.c
convert get_sb_single() users
2010-10-29 04:16:28 -04:00
binfmt_script.c
…
binfmt_som.c
…
bio-integrity.c
block: Require subsystems to explicitly allocate bio_set integrity mempool
2011-03-17 11:11:05 +01:00
bio.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
block_dev.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
buffer.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2011-03-24 19:01:30 -07:00
char_dev.c
Merge branch 'for-2.6.38/core' of git://git.kernel.dk/linux-2.6-block
2011-01-13 10:45:01 -08:00
compat_binfmt_elf.c
…
compat_ioctl.c
Merge branch 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
2011-01-07 14:39:20 -08:00
compat.c
select: remove unused MAX_SELECT_SECONDS
2011-03-21 00:16:08 -04:00
dcache.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2011-03-18 10:51:11 -07:00
dcookies.c
…
direct-io.c
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
drop_caches.c
fs: move i_sb_list out from under inode_lock
2011-03-24 21:16:32 -04:00
eventfd.c
Docbook: add fs/eventfd.c and fix typos in it
2011-02-21 15:07:04 -08:00
eventpoll.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
exec.c
Small typo fix...
2011-03-21 00:16:09 -04:00
fcntl.c
userns: rename is_owner_or_cap to inode_owner_or_capable
2011-03-23 19:47:13 -07:00
fhandle.c
vfs: Add open by file handle support
2011-03-15 02:21:44 -04:00
fifo.c
Filesystem: fifo: Fixed coding style issue.
2011-03-21 00:16:09 -04:00
file_table.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2011-03-16 13:26:17 -07:00
file.c
…
filesystems.c
fs: rcu-walk for path lookup
2011-01-07 17:50:27 +11:00
fs_struct.c
sanitize vfsmount refcounting changes
2011-01-16 13:47:07 -05:00
fs-writeback.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
generic_acl.c
userns: rename is_owner_or_cap to inode_owner_or_capable
2011-03-23 19:47:13 -07:00
inode.c
fs: export empty_aops
2011-04-05 23:51:48 +02:00
internal.h
fs: move i_wb_list out from under inode_lock
2011-03-24 21:17:51 -04:00
ioctl.c
vfs: cleanup do_vfs_ioctl()
2011-03-21 00:16:08 -04:00
ioprio.c
ioprio: grab rcu_read_lock in sys_ioprio_{set,get}()
2010-11-15 10:23:31 +01:00
Kconfig
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
2011-03-16 19:01:29 -07:00
Kconfig.binfmt
coredump: default CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
2010-10-27 18:03:12 -07:00
libfs.c
pass default dentry_operations to mount_pseudo()
2011-01-12 20:03:43 -05:00
locks.c
Merge branch 'for-2.6.39' of git://linux-nfs.org/~bfields/linux
2011-03-24 08:20:39 -07:00
Makefile
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
2011-03-16 19:01:29 -07:00
mbcache.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
mpage.c
fs: make mpage read/write_pages() plug
2011-03-10 08:52:26 +01:00
namei.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
namespace.c
fs: use appropriate printk priority levels
2011-03-22 17:44:10 -07:00
nfsctl.c
open-style analog of vfs_path_lookup()
2011-03-14 09:15:28 -04:00
no-block.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
open.c
fs: Use BUG_ON(!mnt) at dentry_open().
2011-03-21 01:10:41 -04:00
pipe.c
Fix broken "pipe: use event aware wakeups" optimization
2011-01-20 16:21:59 -08:00
pnode.c
fs: scale mntget/mntput
2011-01-07 17:50:33 +11:00
pnode.h
…
posix_acl.c
NFS: Prevent memory allocation failure in nfsacl_encode()
2011-01-25 15:24:47 -05:00
read_write.c
fix signedness mess in rw_verify_area() on 64bit architectures
2011-01-12 20:06:58 -05:00
read_write.h
…
readdir.c
…
select.c
select: remove unused MAX_SELECT_SECONDS
2011-03-21 00:16:08 -04:00
seq_file.c
fs: take dcache_lock inside __d_path
2010-10-25 21:26:12 -04:00
signalfd.c
Merge branch 'hwpoison' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6
2010-10-26 10:13:10 -07:00
splice.c
Merge branch 'for-2.6.38/core' of git://git.kernel.dk/linux-2.6-block
2011-01-13 10:45:01 -08:00
stack.c
…
stat.c
readlinkat(), fchownat() and fstatat() with empty relative pathnames
2011-03-15 02:21:45 -04:00
statfs.c
clean statfs-like syscalls up
2011-03-14 09:15:28 -04:00
super.c
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
sync.c
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
timerfd.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
utimes.c
userns: rename is_owner_or_cap to inode_owner_or_capable
2011-03-23 19:47:13 -07:00
xattr_acl.c
…
xattr.c
userns: rename is_owner_or_cap to inode_owner_or_capable
2011-03-23 19:47:13 -07:00