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Dave Chinner 810b80a70c xfs: fix endian conversion issue in discard code 
commit b1c770c273 upstream

When finding the longest extent in an AG, we read the value directly
out of the AGF buffer without endian conversion. This will give an
incorrect length, resulting in FITRIM operations potentially not
trimming everything that it should.

Note, for 3.0-stable this has been modified to apply to
fs/xfs/linux-2.6/xfs_discard.c instead of fs/xfs/xfs_discard.c.  -bpm

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-02-03 09:18:55 -08:00
..
9p fs/9p: Use protocol-defined value for lock/getlock 'type' field. 2011-10-03 11:40:22 -07:00
adfs
affs affs: remove unnecessary dentry_unhash on rmdir, dir rename 2011-05-28 01:02:53 -04:00
afs AFS: Use i_generation not i_version for the vnode uniquifier 2011-06-16 11:44:48 -04:00
autofs4 autofs4: bogus dentry_unhash() added in ->unlink() 2011-05-30 01:50:53 -04:00
befs befs: Validate length of long symbolic links. 2011-08-29 13:29:06 -07:00
bfs bfs: remove unnecessary dentry_unhash on dir rename 2011-05-28 01:02:50 -04:00
btrfs btrfs: fix d_off in the first dirent 2011-10-03 11:41:03 -07:00
cachefiles
ceph ceph analog of cifs build_path_from_dentry() race fix 2011-07-16 23:43:58 -04:00
cifs CIFS: Fix DFS handling in cifs_get_file_info 2011-11-11 09:35:11 -08:00
coda coda_ioctl_permission() is safe in RCU mode 2011-06-20 10:44:19 -04:00
configfs configfs: remove unnecessary dentry_unhash on rmdir, dir rename 2011-05-28 01:02:54 -04:00
cramfs cramfs: get_cramfs_inode() returns ERR_PTR() on failure 2011-07-17 23:22:02 -04:00
debugfs debugfs: move to new strtobool 2011-05-19 16:55:28 +09:30
devpts
dlm Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-05-26 13:19:00 -07:00
ecryptfs eCryptfs: Fix oops when printing debug info in extent crypto functions 2012-02-03 09:18:51 -08:00
efs
exofs fix exofs ->get_parent() 2011-07-17 23:20:29 -04:00
exportfs
ext2 ext2: remove unnecessary dentry_unhash on rmdir/rename_dir 2011-05-26 07:26:56 -04:00
ext3 ext3: Don't warn from writepage when readonly inode is spotted after error 2012-01-12 11:35:06 -08:00
ext4 ext4: fix undefined behavior in ext4_fill_flex_info() 2012-01-25 17:24:33 -08:00
fat fat: Fix corrupt inode flags when remove ATTR_SYS flag 2011-05-31 19:42:24 +09:00
freevxfs treewide: fix a few typos in comments 2011-05-10 10:16:21 +02:00
fscache FS-Cache: Fix __fscache_uncache_all_inode_pages()'s outer loop 2011-07-21 10:59:16 -07:00
fuse fuse: fix fuse_retrieve 2011-12-21 12:57:44 -08:00
gfs2 GFS2: Fix mount hang caused by certain access pattern to sysfs files 2011-08-04 21:58:42 -07:00
hfs hfs: fix hfs_find_init() sb->ext_tree NULL ptr oops 2011-12-21 12:57:41 -08:00
hfsplus hfsplus: Fix kfree of wrong pointers in hfsplus_fill_super() error path 2011-10-25 07:10:17 +02:00
hostfs hostfs: remove unnecessary dentry_unhash on rmdir, dir rename 2011-05-28 01:02:52 -04:00
hpfs hpfs: remove unnecessary dentry_unhash on rmdir, dir rename 2011-05-28 01:02:54 -04:00
hppfs hppfs: missing include 2011-11-11 09:35:59 -08:00
hugetlbfs mm: don't access vm_flags as 'int' 2011-05-26 09:20:31 -07:00
isofs isofs: fix bh leak in isofs_fill_super() error case 2011-06-18 07:25:42 -07:00
jbd jbd/jbd2: validate sb->s_first in journal_get_superblock() 2011-12-21 12:57:40 -08:00
jbd2 jbd/jbd2: validate sb->s_first in journal_get_superblock() 2011-12-21 12:57:40 -08:00
jffs2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2011-05-28 13:03:41 -07:00
jfs jfs: agstart field must be 64 bits 2011-06-20 17:53:24 -05:00
lockd NLM: Don't hang forever on NLM unlock requests 2011-06-15 11:24:27 -04:00
logfs logfs doesn't need ->permission() at all 2011-06-20 10:44:26 -04:00
minix minix: remove unnecessary dentry_unhash on rmdir, dir rename 2011-05-28 01:02:54 -04:00
ncpfs ncpfs: fix rename over directory with dangling references 2011-05-28 01:02:53 -04:00
nfs pnfs-obj: Must return layout on IO error 2012-01-25 17:25:03 -08:00
nfs_common
nfsd nfsd: Fix oops when parsing a 0 length export 2012-01-25 17:24:49 -08:00
nilfs2 nilfs2: unbreak compat ioctl 2012-01-06 14:13:52 -08:00
nls
notify fsnotify: don't BUG in fsnotify_destroy_mark() 2012-01-25 17:24:49 -08:00
ntfs
ocfs2 more conservative S_NOSEC handling 2011-06-03 18:24:58 -04:00
omfs Remove unneeded version.h includes from fs/ 2011-06-24 08:34:22 -07:00
openpromfs
partitions Revert "block: Remove extra discard_alignment from hd_struct." 2011-05-30 07:42:51 +02:00
proc proc: clear_refs: do not clear reserved pages 2012-01-25 17:25:05 -08:00
pstore pstore: fix pstore filesystem mount/remount issue 2011-05-16 11:05:00 -07:00
qnx4
quota VFS: Fix the remaining automounter semantics regressions 2011-11-11 09:36:22 -08:00
ramfs
reiserfs reiserfs: Force inode evictions before umount to avoid crash 2012-01-12 11:35:05 -08:00
romfs romfs: fix romfs_get_unmapped_area() argument check 2011-06-27 18:00:12 -07:00
squashfs Merge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linus 2011-05-29 11:19:45 -07:00
sysfs Delay struct net freeing while there's a sysfs instance refering to it 2011-06-12 17:45:41 -04:00
sysv sysv: remove unnecessary dentry_unhash from rmdir, dir rename 2011-05-28 01:02:50 -04:00
ubifs UBIFS: make debugging messages light again 2012-01-25 17:25:06 -08:00
udf udf: Fix deadlock when converting file from in-ICB one to normal one 2012-01-12 11:35:09 -08:00
ufs ufs should use d_splice_alias() 2011-07-17 23:21:35 -04:00
xfs xfs: fix endian conversion issue in discard code 2012-02-03 09:18:55 -08:00
aio.c
anon_inodes.c
attr.c Cache xattr security drop check for write v2 2011-05-28 12:02:09 -04:00
bad_inode.c bad_inode_permission() is safe from RCU mode 2011-06-20 10:44:00 -04:00
binfmt_aout.c
binfmt_elf.c binfmt_elf: fix PIE execution with randomization disabled 2011-11-11 09:36:29 -08:00
binfmt_elf_fdpic.c FDPIC: Fix memory leak 2011-07-06 12:15:16 -07:00
binfmt_em86.c
binfmt_flat.c CRED: Fix load_flat_shared_library() to initialise bprm correctly 2011-05-03 10:10:51 +10:00
binfmt_misc.c
binfmt_script.c
binfmt_som.c
bio-integrity.c
bio.c block: improve the bio_add_page() and bio_add_pc_page() descriptions 2011-05-28 14:44:46 +02:00
block_dev.c block: make gendisk hold a reference to its queue 2011-11-11 09:37:07 -08:00
buffer.c vfs: Fix data corruption after failed write in __block_write_begin() 2011-06-16 11:44:46 -04:00
char_dev.c
compat.c
compat_binfmt_elf.c
compat_ioctl.c
dcache.c fix shrink_dcache_parent() livelock 2012-01-25 17:24:51 -08:00
dcookies.c oprofile, dcookies: Fix possible circular locking dependency 2011-05-31 16:33:35 +02:00
direct-io.c
drop_caches.c vmscan: change shrinker API by passing shrink_control struct 2011-05-25 08:39:26 -07:00
eventfd.c
eventpoll.c epoll: fix spurious lockdep warnings 2011-11-11 09:35:29 -08:00
exec.c exec: do not call request_module() twice from search_binary_handler() 2011-10-16 14:14:54 -07:00
fcntl.c
fhandle.c
fifo.c
file.c vfs: avoid large kmalloc()s for the fdtable 2011-04-28 11:28:20 -07:00
file_table.c
filesystems.c fs: synchronize_rcu when unregister_filesystem success not failure 2011-04-17 10:42:01 -07:00
fs-writeback.c writeback: update dirtied_when for synced inode to prevent livelock 2011-10-03 11:40:44 -07:00
fs_struct.c
generic_acl.c
inode.c mm: fix assertion mapping->nrpages == 0 in end_writeback() 2011-06-27 18:00:13 -07:00
internal.h
ioctl.c
ioprio.c
Kconfig Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2011-05-26 09:52:14 -07:00
Kconfig.binfmt
libfs.c fs/libfs.c: fix simple_attr_write() on 32bit machines 2011-07-19 22:09:30 -07:00
locks.c fs: fix lock initialization 2011-07-06 10:41:13 -07:00
Makefile
mbcache.c vmscan: change shrinker API by passing shrink_control struct 2011-05-25 08:39:26 -07:00
mpage.c mm/fs: add hooks to support cleancache 2011-05-26 10:01:43 -06:00
namei.c VFS: we need to set LOOKUP_JUMPED on mountpoint crossing 2011-11-11 09:37:08 -08:00
namespace.c fix apparmor dereferencing potentially freed dentry, sanitize __d_path() API 2011-12-21 12:57:36 -08:00
nfsctl.c
no-block.c
open.c
pipe.c
pnode.c
pnode.h
posix_acl.c
read_write.c
read_write.h
readdir.c
select.c
seq_file.c fix apparmor dereferencing potentially freed dentry, sanitize __d_path() API 2011-12-21 12:57:36 -08:00
signalfd.c
splice.c splice: add wakeup_pipe_readers() 2011-05-23 19:58:53 +02:00
stack.c
stat.c readlinkat: ensure we return ENOENT for the empty pathname for normal lookups 2011-11-11 09:36:19 -08:00
statfs.c VFS: fix statfs() automounter semantics regression 2011-11-11 09:37:08 -08:00
super.c more conservative S_NOSEC handling 2011-06-03 18:24:58 -04:00
sync.c
timerfd.c timerfd: Fix wakeup of processes when timer is cancelled on clock change 2011-06-14 11:46:14 +02:00
utimes.c
xattr.c Cache xattr security drop check for write v2 2011-05-28 12:02:09 -04:00
xattr_acl.c