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Yongqiang Yang 13a79a4741 ext4: avoid potential hang in mpage_submit_io() when blocksize < pagesize 
If there is an unwritten but clean buffer in a page and there is a
dirty buffer after the buffer, then mpage_submit_io does not write the
dirty buffer out.  As a result, da_writepages loops forever.

This patch fixes the problem by checking dirty flag.

Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org
2011-12-13 21:51:55 -05:00
..
9p
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
adfs
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
affs
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
afs
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
autofs4
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
befs
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
bfs
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
btrfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
2011-12-08 13:18:59 -08:00
cachefiles
kill useless checks for sb->s_op == NULL
2011-07-20 01:44:21 -04:00
ceph
ceph: initialize root dentry
2011-11-11 09:50:17 -08:00
cifs
cifs: check for NULL last_entry before calling cifs_save_resume_key
2011-12-08 22:04:47 -06:00
coda
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
configfs
doc: fix broken references
2011-09-27 18:08:04 +02:00
cramfs
cramfs: get_cramfs_inode() returns ERR_PTR() on failure
2011-07-17 23:22:02 -04:00
debugfs
debugfs: Fix a comment mistake
2011-08-22 17:41:48 -07:00
devpts
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
dlm
Merge branch 'for-3.1' of git://linux-nfs.org/~bfields/linux
2011-07-25 22:49:19 -07:00
ecryptfs
eCryptfs: Extend array bounds for all filename chars
2011-11-23 15:43:53 -06:00
efs
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
exofs
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
exportfs
…
ext2
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/vfs-queue
2011-11-02 11:41:01 -07:00
ext3
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/vfs-queue
2011-11-02 11:41:01 -07:00
ext4
ext4: avoid potential hang in mpage_submit_io() when blocksize < pagesize
2011-12-13 21:51:55 -05:00
fat
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
freevxfs
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
fscache
FS-Cache: Fix __fscache_uncache_all_inode_pages()'s outer loop
2011-07-21 10:59:16 -07:00
fuse
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
gfs2
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
hfs
hfs: add sanity check for file name length
2011-11-15 14:29:42 -02:00
hfsplus
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
hostfs
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/vfs-queue
2011-11-02 11:41:01 -07:00
hpfs
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
hppfs
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
hugetlbfs
filesystems: add missing nlink wrappers
2011-11-02 12:53:43 +01:00
isofs
Merge branch 'akpm' (Andrew's incoming - part two)
2011-11-02 16:07:27 -07:00
jbd
jbd/jbd2: validate sb->s_first in journal_get_superblock()
2011-11-01 19:04:59 -04:00
jbd2
jbd2: Unify log messages in jbd2 code
2011-11-01 19:09:18 -04:00
jffs2
Merge git://git.infradead.org/mtd-2.6
2011-11-07 09:11:16 -08:00
jfs
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
lockd
SUNRPC: Replace svc_addr_u by sockaddr_storage
2011-09-14 08:21:48 -04:00
logfs
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
minix
minixfs: kill manual hweight(), simplify
2011-11-19 11:13:28 -05:00
ncpfs
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
nfs
Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
2011-11-22 08:54:15 -08:00
nfs_common
…
nfsd
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
nilfs2
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
nls
…
notify
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
ntfs
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
ocfs2
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2
2011-12-01 14:55:34 -08:00
omfs
omfs: fix (mode & S_IFDIR) abuse
2011-07-26 13:05:28 -04:00
openpromfs
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
partitions
treewide: use __printf not __attribute__((format(printf,...)))
2011-10-31 17:30:54 -07:00
proc
procfs: do not overflow get_{idle,iowait}_time for nohz
2011-12-09 07:50:29 -08:00
pstore
pstore: pass allocated memory region back to caller
2011-11-17 12:58:07 -08:00
qnx4
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
quota
Merge branch 'writeback-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux
2011-11-06 19:02:23 -08:00
ramfs
ramfs: remove module leftovers
2011-11-02 16:06:58 -07:00
reiserfs
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
romfs
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
squashfs
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-next
2011-11-04 16:48:37 -07:00
sysfs
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
sysv
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
ubifs
Merge branch 'linux-next' of git://git.infradead.org/ubifs-2.6
2011-11-07 08:52:19 -08:00
udf
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/vfs-queue
2011-11-02 11:41:01 -07:00
ufs
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
xfs
xfs: fix the logspace waiting algorithm
2011-12-06 14:19:47 -06:00
aio.c
aio: allocate kiocbs in batches
2011-11-02 16:07:03 -07:00
anon_inodes.c
vfs: dont chain pipe/anon/socket on superblock s_inodes list
2011-07-26 12:57:09 -04:00
attr.c
Merge branch 'next-evm' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/ima-2.6 into next
2011-08-09 10:31:03 +10:00
bad_inode.c
fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers
2011-07-20 20:47:59 -04:00
binfmt_aout.c
…
binfmt_elf_fdpic.c
consolidate BINPRM_FLAGS_ENFORCE_NONDUMP handling
2011-07-20 01:43:10 -04:00
binfmt_elf.c
binfmt_elf: fix PIE execution with randomization disabled
2011-11-02 16:06:58 -07:00
binfmt_em86.c
…
binfmt_flat.c
…
binfmt_misc.c
filesystems: add missing nlink wrappers
2011-11-02 12:53:43 +01:00
binfmt_script.c
…
binfmt_som.c
…
bio-integrity.c
fs: add export.h to files using EXPORT_SYMBOL/THIS_MODULE macros
2011-10-31 19:30:31 -04:00
bio.c
bio: change some signed vars to unsigned
2011-11-16 09:21:50 +01:00
block_dev.c
Merge branch 'for-3.2/drivers' of git://git.kernel.dk/linux-block
2011-11-04 17:22:14 -07:00
buffer.c
Merge branch 'writeback-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux
2011-11-06 19:02:23 -08:00
char_dev.c
…
compat_binfmt_elf.c
…
compat_ioctl.c
compat_ioctl: add compat handler for PPPIOCGL2TPSTATS
2011-08-07 22:24:41 -07:00
compat.c
Cross Memory Attach
2011-10-31 17:30:44 -07:00
dcache.c
fix apparmor dereferencing potentially freed dentry, sanitize __d_path() API
2011-12-06 23:57:18 -05:00
dcookies.c
…
direct-io.c
direct-io: merge direct_io_walker into __blockdev_direct_IO
2011-10-28 14:58:58 +02:00
drop_caches.c
…
eventfd.c
…
eventpoll.c
epoll: fix spurious lockdep warnings
2011-10-31 17:30:57 -07:00
exec.c
oom: remove oom_disable_count
2011-10-31 17:30:45 -07:00
fcntl.c
…
fhandle.c
…
fifo.c
…
file_table.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
file.c
…
filesystems.c
…
fs_struct.c
…
fs-writeback.c
writeback: Add a 'reason' to wb_writeback_work
2011-10-31 00:33:36 +08:00
generic_acl.c
switch posix_acl_equiv_mode() to umode_t *
2011-08-01 02:10:06 -04:00
inode.c
vfs: protect i_nlink
2011-11-02 12:53:43 +01:00
internal.h
superblock: move pin_sb_for_writeback() to fs/super.c
2011-07-20 01:44:38 -04:00
ioctl.c
…
ioprio.c
fs: add export.h to files using EXPORT_SYMBOL/THIS_MODULE macros
2011-10-31 19:30:31 -04:00
Kconfig
tmpfs: add "tmpfs" to the Kconfig prompt to make it obvious.
2011-10-31 17:30:45 -07:00
Kconfig.binfmt
…
libfs.c
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
locks.c
Merge branch 'for-3.2' of git://linux-nfs.org/~bfields/linux
2011-10-25 15:42:01 +02:00
Makefile
fs/Makefile: Stupid typo breakage of exofs inclusion
2011-10-27 08:36:51 +02:00
mbcache.c
…
mpage.c
…
namei.c
VFS: we need to set LOOKUP_JUMPED on mountpoint crossing
2011-11-07 14:58:06 -08:00
namespace.c
fix apparmor dereferencing potentially freed dentry, sanitize __d_path() API
2011-12-06 23:57:18 -05:00
no-block.c
…
open.c
leases: fix write-open/read-lease race
2011-10-28 14:59:00 +02:00
pipe.c
fs/pipe.c: add ->statfs callback for pipefs
2011-10-31 17:30:51 -07:00
pnode.c
…
pnode.h
…
posix_acl.c
vfs: pass all mask flags check_acl and posix_acl_permission
2011-10-28 14:58:54 +02:00
read_write.c
Cross Memory Attach
2011-10-31 17:30:44 -07:00
read_write.h
…
readdir.c
…
select.c
…
seq_file.c
fix apparmor dereferencing potentially freed dentry, sanitize __d_path() API
2011-12-06 23:57:18 -05:00
signalfd.c
…
splice.c
tmpfs: clone shmem_file_splice_read()
2011-07-25 20:57:11 -07:00
stack.c
filesystems: add set_nlink()
2011-11-02 12:53:43 +01:00
stat.c
readlinkat: ensure we return ENOENT for the empty pathname for normal lookups
2011-11-02 12:53:42 +01:00
statfs.c
VFS: fix statfs() automounter semantics regression
2011-11-04 18:15:59 -07:00
super.c
vfs: ignore error on forced remount
2011-11-02 12:53:42 +01:00
sync.c
writeback: Add a 'reason' to wb_writeback_work
2011-10-31 00:33:36 +08:00
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_acl.c
…
xattr.c
evm: evm_inode_post_removexattr
2011-07-18 12:29:43 -04:00