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6c06f072c2d797ddbb2270363de97c53ebbe0385
linux/fs
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Nathaniel W. Turner 6c06f072c2 xfs: copy li_lsn before dropping AIL lock 
Access to log items on the AIL is generally protected by m_ail_lock;
this is particularly needed when we're getting or setting the 64-bit
li_lsn on a 32-bit platform.  This patch fixes a couple places where we
were accessing the log item after dropping the AIL lock on 32-bit
machines.

This can result in a partially-zeroed log->l_tail_lsn if
xfs_trans_ail_delete is racing with xfs_trans_ail_update, and in at
least some cases, this can leave the l_tail_lsn with a zero cycle
number, which means xlog_space_left will think the log is full (unless
CONFIG_XFS_DEBUG is set, in which case we'll trip an ASSERT), leading to
processes stuck forever in xlog_grant_log_space.

Thanks to Adrian VanderSpek for first spotting the race potential and to
Dave Chinner for debug assistance.

Signed-off-by: Nathaniel W. Turner <nate@houseofnate.net>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
2009-11-17 10:26:49 -06:00
..
9p
9p: fix readdir corner cases
2009-11-02 08:43:45 -06:00
adfs
adfs: remove redundant test on unsigned
2009-09-24 07:21:05 -07:00
affs
affs: add ->sync_fs
2009-06-11 21:36:14 -04:00
afs
afs: remove cache.h
2009-10-01 16:11:16 -07:00
autofs
trivial: remove unnecessary semicolons
2009-09-21 15:14:58 +02:00
autofs4
autofs4 - fix missed case when changing to use struct path
2009-08-31 17:44:05 -10:00
befs
fs: Make unload_nls() NULL pointer safe
2009-09-24 07:47:42 -04:00
bfs
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
btrfs
Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
2009-11-11 13:38:59 -08:00
cachefiles
enforce ->sync_fs is only called for rw superblock
2009-06-11 21:36:06 -04:00
cifs
cifs: don't use CIFSGetSrvInodeNumber in is_path_accessible
2009-11-06 22:06:14 +00:00
coda
headers: remove sched.h from poll.h
2009-10-04 15:05:10 -07:00
configfs
writeback: add name to backing_dev_info
2009-09-11 09:20:26 +02:00
cramfs
…
debugfs
debugfs: use specified mode to possibly mark files read/write only
2009-06-15 21:30:28 -07:00
devpts
Move magic numbers into magic.h
2009-09-23 07:39:28 -07:00
dlm
dlm: fix socket fd translation
2009-09-30 12:19:44 -05:00
ecryptfs
ima: ecryptfs fix imbalance message
2009-10-08 11:31:38 -05:00
efs
get rid of BKL in fs/efs
2009-06-17 00:36:36 -04:00
exofs
exofs: remove BKL from super operations
2009-09-24 07:47:38 -04:00
exportfs
…
ext2
Merge branch 'hwpoison' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6
2009-09-24 07:53:22 -07:00
ext3
ext3: Wait for proper transaction commit on fsync
2009-11-11 15:22:49 +01:00
ext4
ext4: partial revert to fix double brelse WARNING()
2009-11-08 15:45:44 -05:00
fat
Merge git://git.kernel.org/pub/scm/linux/kernel/git/hirofumi/fatfs-2.6
2009-09-30 09:31:14 -07:00
freevxfs
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
fscache
FS-Cache: Fixup renamed filenames in comments in internal.h
2009-05-27 10:20:13 -07:00
fuse
fuse: invalidate target of rename
2009-11-04 10:24:52 +01:00
gfs2
const: mark struct vm_struct_operations
2009-09-27 11:39:25 -07:00
hfs
hfs: fix oops on mount with corrupted btree extent records
2009-10-29 07:39:29 -07:00
hfsplus
hfsplus: refuse to mount volumes larger than 2TB
2009-10-29 07:39:27 -07:00
hostfs
hostfs: set maximum filesize in superblock for proper LFS support
2009-06-30 18:56:03 -07:00
hpfs
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
hppfs
…
hugetlbfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-09-24 08:32:11 -07:00
isofs
fs: Make unload_nls() NULL pointer safe
2009-09-24 07:47:42 -04:00
jbd
fs/jbd: Export log_start_commit to fix ext3 build.
2009-11-12 10:24:12 +01:00
jbd2
JBD/JBD2: free j_wbuf if journal init fails.
2009-11-11 15:24:14 +01:00
jffs2
Merge git://git.infradead.org/mtd-2.6
2009-09-23 10:07:49 -07:00
jfs
fs: Make unload_nls() NULL pointer safe
2009-09-24 07:47:42 -04:00
lockd
headers: utsname.h redux
2009-09-23 18:13:10 -07:00
minix
V3 minixfs: add missing directory type checking
2009-09-23 07:39:57 -07:00
ncpfs
const: mark struct vm_struct_operations
2009-09-27 11:39:25 -07:00
nfs
NFSv4: The link() operation should return any delegation on the file
2009-10-26 08:09:46 -04:00
nfs_common
…
nfsd
Fix memory corruption caused by nfsd readdir+
2009-11-14 12:55:55 -08:00
nilfs2
nilfs2: fix missing cleanup of gc cache on error cases
2009-11-08 19:04:25 +09:00
nls
Merge git://git.kernel.org/pub/scm/linux/kernel/git/hirofumi/fatfs-2.6
2009-09-30 09:31:14 -07:00
notify
dnotify: ignore FS_EVENT_ON_CHILD
2009-10-20 18:02:33 -04:00
ntfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-09-24 08:32:11 -07:00
ocfs2
const: constify remaining file_operations
2009-10-01 16:11:11 -07:00
omfs
const: constify remaining file_operations
2009-10-01 16:11:11 -07:00
openpromfs
…
partitions
block: Seperate read and write statistics of in_flight requests v2
2009-10-06 20:16:55 +02:00
proc
pidns: fix a leak in /proc dentries and inodes with pid namespaces.
2009-11-12 07:25:57 -08:00
qnx4
qnx4: remove write support
2009-09-23 07:39:30 -07:00
quota
const: make struct super_block::s_qcop const
2009-09-22 07:17:24 -07:00
ramfs
truncate: use new helpers
2009-09-24 08:41:47 -04:00
reiserfs
const: make struct super_block::s_qcop const
2009-09-22 07:17:24 -07:00
romfs
ROMFS: fix length used with romfs_dev_strnlen() function
2009-10-11 11:33:56 -07:00
smbfs
fs: Make unload_nls() NULL pointer safe
2009-09-24 07:47:42 -04:00
squashfs
const: mark remaining super_operations const
2009-09-22 07:17:24 -07:00
sysfs
sysfs: Don't leak secdata when a sysfs_dirent is freed.
2009-11-05 08:19:18 +11:00
sysv
get rid of BKL in fs/sysv
2009-06-17 00:36:37 -04:00
ubifs
const: mark struct vm_struct_operations
2009-09-27 11:39:25 -07:00
udf
udf: Fix possible corruption when close races with write
2009-09-14 19:13:01 +02:00
ufs
ufs: sector_t cannot be negative
2009-06-18 13:03:46 -07:00
xfs
xfs: copy li_lsn before dropping AIL lock
2009-11-17 10:26:49 -06:00
aio.c
aio.c: move EXPORT* macros to line after function
2009-09-23 07:39:29 -07:00
anon_inodes.c
headers: remove sched.h from poll.h
2009-10-04 15:05:10 -07:00
attr.c
truncate: new helpers
2009-09-24 08:41:47 -04:00
bad_inode.c
…
binfmt_aout.c
…
binfmt_elf_fdpic.c
fdpic: ignore the loader's PT_GNU_STACK when calculating the stack size
2009-09-24 07:21:02 -07:00
binfmt_elf.c
elf: clean up fill_note_info()
2009-09-24 07:21:01 -07:00
binfmt_em86.c
…
binfmt_flat.c
flat: use IS_ERR_VALUE() helper macro
2009-09-24 07:21:03 -07:00
binfmt_misc.c
…
binfmt_script.c
…
binfmt_som.c
…
bio-integrity.c
block: Create bip slabs with embedded integrity vectors
2009-07-01 10:56:25 +02:00
bio.c
Fix bio_alloc() and bio_kmalloc() documentation
2009-11-02 11:41:13 +01:00
block_dev.c
block: use after free bug in __blkdev_get
2009-10-26 15:27:11 +01:00
buffer.c
Merge branch 'writeback' of git://git.kernel.dk/linux-2.6-block
2009-09-25 09:27:30 -07:00
char_dev.c
fs/char_dev.c: remove useless loop
2009-09-24 07:21:03 -07:00
compat_binfmt_elf.c
…
compat_ioctl.c
fs: add missing compat_ptr handling for FS_IOC_RESVSP ioctl
2009-11-12 07:25:57 -08:00
compat.c
x86, fs: Fix x86 procfs stack information for threads on 64-bit
2009-11-04 13:25:03 +01:00
dcache.c
sched: Pull up the might_sleep() check into cond_resched()
2009-07-18 15:51:44 +02:00
dcookies.c
…
direct-io.c
block: Do away with the notion of hardsect_size
2009-05-22 23:22:54 +02:00
drop_caches.c
sysctl: remove "struct file *" argument of ->proc_handler
2009-09-24 07:21:04 -07:00
eventfd.c
anonfd: split interface into file creation and install
2009-09-23 07:39:29 -07:00
eventpoll.c
epoll: fix nested calls support
2009-06-18 13:03:41 -07:00
exec.c
exec: setup_arg_pages() fails to return errors
2009-11-12 07:25:58 -08:00
fcntl.c
fcntl: add F_[SG]ETOWN_EX
2009-09-24 07:21:01 -07:00
fifo.c
…
file_table.c
sysctl: remove "struct file *" argument of ->proc_handler
2009-09-24 07:21:04 -07:00
file.c
headers: remove sched.h from interrupt.h
2009-10-11 11:20:58 -07:00
filesystems.c
…
fs_struct.c
…
fs-writeback.c
writeback: pass in super_block to bdi_start_writeback()
2009-09-26 00:10:40 +02:00
generic_acl.c
…
inode.c
vfs: optimize touch_time() too
2009-09-24 07:47:27 -04:00
internal.h
fs: fix overflow in sys_mount() for in-kernel calls
2009-09-24 08:40:15 -04:00
ioctl.c
__generic_block_fiemap(): fix for files bigger than 4GB
2009-11-12 07:26:01 -08:00
ioprio.c
…
Kconfig
powerpc: Cleanup Kconfig selection of hugetlbfs support
2009-10-30 15:03:54 +11:00
Kconfig.binfmt
…
libfs.c
libfs: return error code on failed attr set
2009-09-24 07:47:30 -04:00
locks.c
const: make lock_manager_operations const
2009-09-22 07:17:25 -07:00
Makefile
…
mbcache.c
…
mpage.c
…
namei.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
2009-09-11 08:55:49 -07:00
namespace.c
fs: fix overflow in sys_mount() for in-kernel calls
2009-09-24 08:40:15 -04:00
nfsctl.c
…
no-block.c
…
open.c
fs: change sys_truncate length parameter type
2009-09-23 09:21:05 -07:00
pipe.c
fs: pipe.c null pointer dereference
2009-10-22 08:11:44 +09:00
pnode.c
…
pnode.h
…
posix_acl.c
…
read_write.c
vfs: remove redundant position check in do_sendfile
2009-09-24 07:47:34 -04:00
read_write.h
…
readdir.c
…
select.c
headers: remove sched.h from poll.h
2009-10-04 15:05:10 -07:00
seq_file.c
vfs: seq_file: add helpers for data filling
2009-09-24 07:47:35 -04:00
signalfd.c
…
splice.c
Merge branch 'for-2.6.32' of git://git.kernel.dk/linux-2.6-block
2009-09-14 17:55:15 -07:00
stack.c
…
stat.c
…
super.c
freeze_bdev: grab active reference to frozen superblocks
2009-09-24 07:47:41 -04:00
sync.c
fs/buffer.c: clean up EXPORT* macros
2009-09-23 07:39:29 -07:00
timerfd.c
…
utimes.c
…
xattr_acl.c
…
xattr.c
VFS: Factor out part of vfs_setxattr so it can be called from the SELinux hook for inode_setsecctx.
2009-09-10 10:11:22 +10:00