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Jaegeuk Kim 6f85b35203 f2fs: avoid RECLAIM_FS-ON-W: deadlock 
This patch tries to avoid the following deadlock condition of which the reclaim
path can trigger f2fs_balance_fs again.

=================================
[ INFO: inconsistent lock state ]
---------------------------------
inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-W} usage.
kswapd0/41 [HC0[0]:SC0[0]:HE1:SE1] takes:
 (&sbi->gc_mutex){+.+.?.}, at: f2fs_balance_fs+0xe6/0x100 [f2fs]
{RECLAIM_FS-ON-W} state was registered at:
  [<ffffffff810aa5a9>] mark_held_locks+0xb9/0x140
  [<ffffffff810aae85>] lockdep_trace_alloc+0x85/0xf0
  [<ffffffff8113ab2c>] __alloc_pages_nodemask+0x7c/0x9b0
  [<ffffffff81175aa8>] alloc_pages_current+0xb8/0x180
  [<ffffffff811319cf>] __page_cache_alloc+0xaf/0xd0
  [<ffffffff8113225c>] find_or_create_page+0x4c/0xb0
  [<ffffffffa021359e>] find_data_page+0x14e/0x210 [f2fs]
  [<ffffffffa021161b>] f2fs_gc+0x9eb/0xd90 [f2fs]
  [<ffffffffa0218fae>] f2fs_balance_fs+0xee/0x100 [f2fs]
  [<ffffffffa020848c>] f2fs_setattr+0x6c/0x200 [f2fs]
  [<ffffffff811ae51b>] notify_change+0x1db/0x3a0
  [<ffffffff8118fbd0>] do_truncate+0x60/0xa0
  [<ffffffff8118fd95>] vfs_truncate+0x185/0x1b0
  [<ffffffff8118fe1c>] do_sys_truncate+0x5c/0xa0
  [<ffffffff8118ffee>] SyS_truncate+0xe/0x10
  [<ffffffff816e2b42>] system_call_fastpath+0x16/0x1b

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2013-05-28 15:03:03 +09:00
..
9p
aio: don't include aio.h in sched.h
2013-05-07 20:16:25 -07:00
adfs
fs: Limit sys_mount to only request filesystem modules.
2013-03-03 19:36:31 -08:00
affs
fs: Limit sys_mount to only request filesystem modules.
2013-03-03 19:36:31 -08:00
afs
aio: don't include aio.h in sched.h
2013-05-07 20:16:25 -07:00
autofs4
autofs - remove autofs dentry mount check
2013-05-06 13:06:59 -07:00
befs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2013-04-30 09:36:50 -07:00
bfs
fs: Limit sys_mount to only request filesystem modules.
2013-03-03 19:36:31 -08:00
btrfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
2013-05-18 11:35:28 -07:00
cachefiles
lift sb_start_write() out of ->write()
2013-04-09 14:12:56 -04:00
ceph
aio: don't include aio.h in sched.h
2013-05-07 20:16:25 -07:00
cifs
cifs: only set ops for inodes in I_NEW state
2013-05-08 17:12:47 -05:00
coda
lift sb_start_write() out of ->write()
2013-04-09 14:12:56 -04:00
configfs
fs: Limit sys_mount to only request filesystem modules.
2013-03-03 19:36:31 -08:00
cramfs
fs: Limit sys_mount to only request filesystem modules.
2013-03-03 19:36:31 -08:00
debugfs
fs: Limit sys_mount to only request filesystem modules.
2013-03-03 19:36:31 -08:00
devpts
fs: Limit sys_mount to only request filesystem modules (Part 2).
2013-03-07 01:08:55 -08:00
dlm
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2013-05-01 14:08:52 -07:00
ecryptfs
Improve performance when AES-NI (and most likely other crypto accelerators) is
2013-05-10 09:20:01 -07:00
efivarfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-05-01 17:51:54 -07:00
efs
fs: Limit sys_mount to only request filesystem modules.
2013-03-03 19:36:31 -08:00
exofs
block: Add bio_for_each_segment_all()
2013-03-23 14:26:28 -07:00
exportfs
hlist: drop the node parameter from iterators
2013-02-27 19:10:24 -08:00
ext2
aio: don't include aio.h in sched.h
2013-05-07 20:16:25 -07:00
ext3
Merge branch 'akpm' (incoming from Andrew)
2013-05-07 20:49:51 -07:00
ext4
Fixed regressions (two stability regressions and a performance
2013-05-14 09:30:54 -07:00
f2fs
f2fs: avoid RECLAIM_FS-ON-W: deadlock
2013-05-28 15:03:03 +09:00
fat
fat: fix possible overflow for fat_clusters
2013-05-24 16:22:50 -07:00
freevxfs
fs: Readd the fs module aliases.
2013-03-12 18:55:21 -07:00
fscache
fs/fscache/stats.c: fix memory leak
2013-04-29 15:54:27 -07:00
fuse
Merge branch 'akpm' (incoming from Andrew)
2013-05-07 20:49:51 -07:00
gfs2
GFS2: Fix typo in gfs2_log_end_write loop
2013-05-24 13:48:09 +01:00
hfs
hfs: avoid crash in hfs_bnode_create
2013-05-24 16:22:51 -07:00
hfsplus
aio: don't include aio.h in sched.h
2013-05-07 20:16:25 -07:00
hostfs
hostfs: use kmalloc instead of kzalloc
2013-05-04 15:48:45 -04:00
hpfs
hpfs: move setting hpfs-private i_dirty to ->write_end()
2013-04-09 14:12:55 -04:00
hppfs
hppfs: get rid of ->fsync()
2013-04-29 15:41:42 -04:00
hugetlbfs
hugetlbfs: fix mmap failure in unaligned size request
2013-05-07 18:38:27 -07:00
isofs
fs: Readd the fs module aliases.
2013-03-12 18:55:21 -07:00
jbd
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2013-05-03 09:56:25 -07:00
jbd2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-05-01 17:51:54 -07:00
jffs2
fs: Limit sys_mount to only request filesystem modules.
2013-03-03 19:36:31 -08:00
jfs
Merge branch 'for-3.10/core' of git://git.kernel.dk/linux-block
2013-05-08 10:13:35 -07:00
lockd
LOCKD: Ensure that nlmclnt_block resets block->b_status after a server reboot
2013-04-21 18:08:42 -04:00
logfs
block: Remove bi_idx references
2013-03-23 14:15:31 -07:00
minix
fs: Limit sys_mount to only request filesystem modules.
2013-03-03 19:36:31 -08:00
ncpfs
fs: Limit sys_mount to only request filesystem modules.
2013-03-03 19:36:31 -08:00
nfs
NFS: Fix SETCLIENTID fallback if GSS is not available
2013-05-23 18:50:40 -04:00
nfs_common
nfs_common: Update the translation between nfsv3 acls linux posix acls
2013-02-13 06:15:14 -08:00
nfsd
Merge branch 'for-3.10' of git://linux-nfs.org/~bfields/linux
2013-05-10 09:28:55 -07:00
nilfs2
nilfs2: fix issue of nilfs_set_page_dirty() for page at EOF boundary
2013-05-24 16:22:52 -07:00
nls
…
notify
unify compat fanotify_mark(2), switch to COMPAT_SYSCALL_DEFINE
2013-05-09 13:46:38 -04:00
ntfs
aio: don't include aio.h in sched.h
2013-05-07 20:16:25 -07:00
ocfs2
ocfs2: goto out_unlock if ocfs2_get_clusters_nocache() failed in ocfs2_fiemap()
2013-05-24 16:22:52 -07:00
omfs
fs: Limit sys_mount to only request filesystem modules.
2013-03-03 19:36:31 -08:00
openpromfs
fs: Limit sys_mount to only request filesystem modules.
2013-03-03 19:36:31 -08:00
proc
Merge branch 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
2013-05-07 08:42:20 -07:00
pstore
Couple of pstore cleanups
2013-05-09 16:42:10 -07:00
qnx4
fs: Limit sys_mount to only request filesystem modules.
2013-03-03 19:36:31 -08:00
qnx6
fs: Limit sys_mount to only request filesystem modules.
2013-03-03 19:36:31 -08:00
quota
quota: add missing use of dq_data_lock in __dquot_initialize
2013-03-11 22:05:56 +01:00
ramfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-02-26 20:16:07 -08:00
reiserfs
Merge branch 'akpm' (incoming from Andrew)
2013-05-07 20:49:51 -07:00
romfs
romfs: fix nommu map length to keep inside filesystem
2013-04-29 09:17:57 +10:00
squashfs
fs: Limit sys_mount to only request filesystem modules. (Part 3)
2013-03-11 07:09:48 -07:00
sysfs
sysfs: check if one entry has been removed before freeing
2013-04-05 15:35:52 -07:00
sysv
fs: Readd the fs module aliases.
2013-03-12 18:55:21 -07:00
ubifs
aio: don't include aio.h in sched.h
2013-05-07 20:16:25 -07:00
udf
aio: don't include aio.h in sched.h
2013-05-07 20:16:25 -07:00
ufs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2013-04-30 09:36:50 -07:00
xfs
xfs: remote attribute lookups require the value length
2013-05-24 16:31:20 -05:00
aio.c
aio: fix kioctx not being freed after cancellation at exit time
2013-05-24 16:22:53 -07:00
anon_inodes.c
get_empty_filp()/alloc_file() leave both ->f_pos and ->f_version zero
2013-02-26 02:46:11 -05:00
attr.c
userns: Allow chown and setgid preservation
2012-11-20 04:17:24 -08:00
bad_inode.c
lseek: the "whence" argument is called "whence"
2012-12-17 17:15:12 -08:00
binfmt_aout.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-05-01 17:51:54 -07:00
binfmt_elf_fdpic.c
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
2013-05-02 10:16:16 -07:00
binfmt_elf.c
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
2013-05-02 10:16:16 -07:00
binfmt_em86.c
exec: use -ELOOP for max recursion depth
2012-12-17 17:15:23 -08:00
binfmt_flat.c
new helper: read_code()
2013-04-29 15:40:23 -04:00
binfmt_misc.c
binfmt_misc: reuse string_unescape_inplace()
2013-04-30 17:04:03 -07:00
binfmt_script.c
exec: do not leave bprm->interp on stack
2012-12-20 17:40:19 -08:00
binfmt_som.c
get rid of pt_regs argument of ->load_binary()
2012-11-28 21:53:38 -05:00
bio-integrity.c
bio-integrity: Add explicit field for owner of bip_buf
2013-03-23 14:26:34 -07:00
bio.c
Merge branch 'for-3.10/core' of git://git.kernel.dk/linux-block
2013-05-08 10:13:35 -07:00
block_dev.c
Merge branch 'for-3.10/core' of git://git.kernel.dk/linux-block
2013-05-08 10:13:35 -07:00
buffer.c
Merge branch 'for-3.10/core' of git://git.kernel.dk/linux-block
2013-05-08 10:13:35 -07:00
char_dev.c
…
compat_binfmt_elf.c
…
compat_ioctl.c
Removed unused typedef to avoid "unused local typedef" warnings.
2013-05-04 15:03:05 -04:00
compat.c
aio: don't include aio.h in sched.h
2013-05-07 20:16:25 -07:00
coredump.c
do_coredump(): don't wait for thaw if coredump has already been interrupted
2013-05-04 14:45:54 -04:00
coredump.h
…
dcache.c
vfs: use list_move instead of list_del/list_add
2013-05-04 15:43:02 -04:00
dcookies.c
consolidate compat lookup_dcookie()
2013-03-03 23:00:23 -05:00
direct-io.c
Merge branch 'for-3.10/core' of git://git.kernel.dk/linux-block
2013-05-08 10:13:35 -07:00
drop_caches.c
…
eventfd.c
fs, eventfd: add procfs fdinfo helper
2012-12-17 17:15:27 -08:00
eventpoll.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal
2013-05-01 07:21:43 -07:00
exec.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-05-01 17:51:54 -07:00
fcntl.c
new helper: file_inode(file)
2013-02-22 23:31:31 -05:00
fhandle.c
Merge branch 'for-3.8' of git://linux-nfs.org/~bfields/linux
2012-12-20 14:04:11 -08:00
file_table.c
cache the value of file_inode() in struct file
2013-03-01 19:48:30 -05:00
file.c
don't bother with deferred freeing of fdtables
2013-05-01 17:31:42 -04:00
filesystems.c
fs: Limit sys_mount to only request filesystem modules.
2013-03-03 19:36:31 -08:00
fs_struct.c
constify path_get/path_put and fs_struct.c stuff
2013-03-01 23:51:07 -05:00
fs-writeback.c
Merge branch 'for-3.10/core' of git://git.kernel.dk/linux-block
2013-05-08 10:13:35 -07:00
generic_acl.c
…
inode.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-05-01 17:51:54 -07:00
internal.h
pipe: fold file_operations instances in one
2013-04-09 14:12:58 -04:00
ioctl.c
new helper: file_inode(file)
2013-02-22 23:31:31 -05:00
ioprio.c
…
Kconfig
efivarfs: Move to fs/efivarfs
2013-04-17 13:25:09 +01:00
Kconfig.binfmt
fs: make binfmt support for #! scripts modular and removable
2013-04-30 17:04:04 -07:00
libfs.c
vfs: drop vmtruncate
2012-12-20 18:46:29 -05:00
locks.c
new helper: file_inode(file)
2013-02-22 23:31:31 -05:00
Makefile
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-05-01 17:51:54 -07:00
mbcache.c
…
mount.h
get rid of full-hash scan on detaching vfsmounts
2013-04-09 14:12:52 -04:00
mpage.c
…
namei.c
Merge git://git.infradead.org/users/eparis/audit
2013-05-11 14:29:11 -07:00
namespace.c
create_mnt_ns: unidiomatic use of list_add()
2013-05-04 15:18:53 -04:00
no-block.c
…
open.c
make SYSCALL_DEFINE<n>-generated wrappers do asmlinkage_protect
2013-03-03 22:58:33 -05:00
pipe.c
aio: don't include aio.h in sched.h
2013-05-07 20:16:25 -07:00
pnode.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-05-01 17:51:54 -07:00
pnode.h
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-05-01 17:51:54 -07:00
posix_acl.c
…
proc_namespace.c
…
read_write.c
aio: don't include aio.h in sched.h
2013-05-07 20:16:25 -07:00
readdir.c
new helper: file_inode(file)
2013-02-22 23:31:31 -05:00
select.c
sched/rt: Move rt specific bits into new header file
2013-02-07 20:51:08 +01:00
seq_file.c
new helper: single_open_size()
2013-04-09 14:13:29 -04:00
signalfd.c
switch signalfd{,4}() to COMPAT_SYSCALL_DEFINE
2013-03-03 22:58:46 -05:00
splice.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-05-01 17:51:54 -07:00
stack.c
…
stat.c
switch vfs_getattr() to struct path
2013-02-26 02:46:08 -05:00
statfs.c
vfs: fix user_statfs to retry once on ESTALE errors
2012-12-20 18:50:07 -05:00
super.c
hlist: drop the node parameter from iterators
2013-02-27 19:10:24 -08:00
sync.c
teach SYSCALL_DEFINE<n> how to deal with long long/unsigned long long
2013-03-03 22:46:22 -05:00
timerfd.c
compat: restore timerfd settime and gettime compat syscalls
2013-03-02 09:35:13 -05:00
utimes.c
vfs: allow utimensat() calls to retry once on an ESTALE error
2012-12-20 18:50:08 -05:00
xattr_acl.c
…
xattr.c
vfs: make lremovexattr retry once on ESTALE error
2012-12-20 18:50:11 -05:00