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Vyacheslav Dubeyko 4bf93b50fd nilfs2: fix issue with counting number of bio requests for BIO_EOPNOTSUPP error detection 
Fix the issue with improper counting number of flying bio requests for
BIO_EOPNOTSUPP error detection case.

The sb_nbio must be incremented exactly the same number of times as
complete() function was called (or will be called) because
nilfs_segbuf_wait() will call wail_for_completion() for the number of
times set to sb_nbio:

  do {
      wait_for_completion(&segbuf->sb_bio_event);
  } while (--segbuf->sb_nbio > 0);

Two functions complete() and wait_for_completion() must be called the
same number of times for the same sb_bio_event.  Otherwise,
wait_for_completion() will hang or leak.

Signed-off-by: Vyacheslav Dubeyko <slava@dubeyko.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Tested-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2013-08-23 09:51:22 -07:00
..
9p Second round of 9p patches for the 3.11 merge window. 2013-07-11 10:21:23 -07:00
adfs Don't pass inode to ->d_hash() and ->d_compare() 2013-06-29 12:57:36 +04:00
affs Don't pass inode to ->d_hash() and ->d_compare() 2013-06-29 12:57:36 +04:00
afs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-07-03 09:10:19 -07:00
autofs4 helper for reading ->d_count 2013-07-05 18:59:33 +04:00
befs [readdir] convert befs 2013-06-29 12:56:55 +04:00
bfs [readdir] convert bfs 2013-06-29 12:56:33 +04:00
btrfs btrfs: don't loop on large offsets in readdir 2013-08-09 19:34:56 -04:00
cachefiles mm: remove lru parameter from __pagevec_lru_add and remove parts of pagevec API 2013-07-03 16:07:31 -07:00
ceph Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2013-07-09 12:39:10 -07:00
cifs cifs: don't instantiate new dentries in readdir for inodes that need to be revalidated immediately 2013-08-07 10:57:06 -05:00
coda helper for reading ->d_count 2013-07-05 18:59:33 +04:00
configfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-07-14 11:42:26 -07:00
cramfs [readdir] convert f2fs 2013-06-29 12:56:46 +04:00
debugfs debugfs: debugfs_remove_recursive() must not rely on list_empty(d_subdirs) 2013-07-31 12:16:31 -04:00
devpts fs: Limit sys_mount to only request filesystem modules (Part 2). 2013-03-07 01:08:55 -08:00
dlm dlm: kill the unnecessary and wrong device_close()->recalc_sigpending() 2013-08-09 10:48:20 -07:00
ecryptfs Code cleanups and improved buffer handling during page crypto operations 2013-07-11 10:20:18 -07:00
efivarfs efivarfs: we can use simple_lookup() now 2013-07-14 17:48:35 +04:00
efs [readdir] convert efs 2013-06-29 12:56:31 +04:00
exofs Lots of bug fixes, cleanups and optimizations. In the bug fixes 2013-07-02 09:39:34 -07:00
exportfs [readdir] constify ->actor 2013-06-29 12:57:05 +04:00
ext2 [O_TMPFILE] it's still short a few helpers, but infrastructure should be OK now... 2013-06-29 12:57:10 +04:00
ext3 ext3: fix a BUG when opening a file with O_TMPFILE flag 2013-07-20 22:03:20 -04:00
ext4 jbd2: Fix oops in jbd2_journal_file_inode() 2013-08-16 21:19:41 -04:00
f2fs f2fs: fix readdir incorrectness 2013-07-08 13:35:48 +04:00
fat fatfs: add FAT_IOCTL_GET_VOLUME_ID 2013-07-09 10:33:25 -07:00
freevxfs [readdir] convert freevxfs 2013-06-29 12:56:53 +04:00
fscache FS-Cache: Don't use spin_is_locked() in assertions 2013-06-19 14:16:47 +01:00
fuse fuse: readdirplus: cleanup 2013-07-17 14:53:54 +02:00
gfs2 GFS2: Check for glock already held in gfs2_getxattr 2013-08-19 09:33:57 +01:00
hfs Don't pass inode to ->d_hash() and ->d_compare() 2013-06-29 12:57:36 +04:00
hfsplus Don't pass inode to ->d_hash() and ->d_compare() 2013-06-29 12:57:36 +04:00
hostfs [readdir] convert hostfs 2013-06-29 12:56:59 +04:00
hpfs Merge branch 'hpfs' from Mikulas Patocka 2013-07-04 11:22:55 -07:00
hppfs clean up scary strncpy(dst, src, strlen(src)) uses 2013-07-03 16:07:41 -07:00
hugetlbfs hugetlb: fix lockdep splat caused by pmd sharing 2013-08-13 17:57:48 -07:00
isofs Don't pass inode to ->d_hash() and ->d_compare() 2013-06-29 12:57:36 +04:00
jbd jbd: change journal_invalidatepage() to accept length 2013-05-21 23:26:36 -04:00
jbd2 jbd2: invalidate handle if jbd2_journal_restart() fails 2013-07-01 08:12:41 -04:00
jffs2 [readdir] convert jffs2 2013-06-29 12:56:47 +04:00
jfs A couple cleanups to JFS for 3.11 2013-07-11 10:19:34 -07:00
lockd LOCKD: Don't call utsname()->nodename from nlmclnt_setlockargs 2013-08-05 15:03:46 -04:00
logfs Lots of bug fixes, cleanups and optimizations. In the bug fixes 2013-07-02 09:39:34 -07:00
minix minix: bug widening a binary "not" operation 2013-06-29 12:57:35 +04:00
ncpfs ncpfs: fix error return code in ncp_parse_options() 2013-07-09 10:33:25 -07:00
nfs NFSv4: Fix up nfs4_proc_lookup_mountpoint 2013-08-07 20:47:26 -04:00
nfs_common nfs_common: Update the translation between nfsv3 acls linux posix acls 2013-02-13 06:15:14 -08:00
nfsd nfsd: Fix SP4_MACH_CRED negotiation in EXCHANGE_ID 2013-08-07 12:06:07 -04:00
nilfs2 nilfs2: fix issue with counting number of bio requests for BIO_EOPNOTSUPP error detection 2013-08-23 09:51:22 -07:00
nls
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notify fsnotify: update comments concerning locking scheme 2013-07-09 10:33:20 -07:00
ntfs Lots of bug fixes, cleanups and optimizations. In the bug fixes 2013-07-02 09:39:34 -07:00
ocfs2 ocfs2: fix null pointer dereference in ocfs2_dir_foreach_blk_id() 2013-08-13 17:57:49 -07:00
omfs [readdir] convert omfs 2013-06-29 12:56:37 +04:00
openpromfs [readdir] convert openpromfs 2013-06-29 12:56:32 +04:00
proc proc: more readdir conversion bug-fixes 2013-08-19 16:26:12 -07:00
pstore Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2013-07-04 10:29:23 -07:00
qnx4 [readdir] convert qnx4 2013-06-29 12:56:38 +04:00
qnx6 [readdir] convert qnx6 2013-06-29 12:56:39 +04:00
quota quota: Convert use of typedef ctl_table to struct ctl_table 2013-07-04 19:22:55 +02:00
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 reiserfs: fix deadlock in umount 2013-08-05 17:37:37 +04:00
romfs [readdir] convert romfs 2013-06-29 12:56:29 +04:00
squashfs [readdir] convert squashfs 2013-06-29 12:56:28 +04:00
sysfs sysfs: prevent warning when only using binary attributes 2013-07-16 10:57:36 -07:00
sysv Don't pass inode to ->d_hash() and ->d_compare() 2013-06-29 12:57:36 +04:00
ubifs Only a single patch which fixes a message. 2013-07-05 12:08:47 -07:00
udf udf: provide ->tmpfile() 2013-06-29 12:57:12 +04:00
ufs [readdir] simple local unixlike: switch to ->iterate() 2013-06-29 12:46:47 +04:00
xfs xfs: di_flushiter considered harmful 2013-07-25 10:41:42 -05:00
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
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
aio.c aio: fix wrong comment in aio_complete() 2013-07-03 16:08:06 -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
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bad_inode.c [readdir] ->readdir() is gone 2013-06-29 12:57:04 +04:00
binfmt_aout.c mm: remove free_area_cache 2013-07-10 18:11:34 -07:00
binfmt_elf.c mm: remove free_area_cache 2013-07-10 18:11:34 -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_em86.c
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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
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binfmt_som.c
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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-3.11/core' of git://git.kernel.dk/linux-block 2013-07-11 13:03:24 -07:00
buffer.c mm: vmscan: take page buffers dirty and locked state into account 2013-07-03 16:07:29 -07:00
char_dev.c
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compat.c [readdir] constify ->actor 2013-06-29 12:57:05 +04:00
compat_binfmt_elf.c
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compat_ioctl.c compat.c: LOOP_CLR_FD is taken care of in loop.c itself... 2013-06-29 12:46:44 +04:00
coredump.c coredump: '% at the end' shouldn't bypass core_uses_pid logic 2013-07-03 16:08:02 -07:00
coredump.h
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dcache.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-07-03 09:10:19 -07:00
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
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eventfd.c
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eventpoll.c Merge branch 'akpm' (updates from Andrew Morton) 2013-07-03 17:12:13 -07:00
exec.c Fix TLB gather virtual address range invalidation corner cases 2013-08-16 08:52:46 -07:00
fcntl.c vfs: add missing check for __O_TMPFILE in fcntl_init() 2013-08-05 18:25:32 +04:00
fhandle.c
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file.c don't bother with deferred freeing of fdtables 2013-05-01 17:31:42 -04:00
file_table.c fput: turn "list_head delayed_fput_list" into llist_head 2013-07-13 13:29:10 +04:00
filesystems.c fs: Limit sys_mount to only request filesystem modules. 2013-03-03 19:36:31 -08:00
fs-writeback.c mm/writeback: don't check force_wait to handle bdi->work_list 2013-07-09 10:33:22 -07:00
fs_struct.c constify path_get/path_put and fs_struct.c stuff 2013-03-01 23:51:07 -05:00
generic_acl.c
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inode.c allow the temp files created by open() to be linked to 2013-06-29 12:57:11 +04:00
internal.h constify rw_verify_area() 2013-06-29 12:57:34 +04:00
ioctl.c new helper: file_inode(file) 2013-02-22 23:31:31 -05:00
ioprio.c
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libfs.c make simple_lookup() usable for filesystems that set ->s_d_op 2013-07-14 17:43:25 +04:00
locks.c locks: move file_lock_list to a set of percpu hlist_heads and convert file_lock_lock to an lglock 2013-07-08 13:36:42 +04:00
mbcache.c
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mount.h get rid of full-hash scan on detaching vfsmounts 2013-04-09 14:12:52 -04:00
mpage.c
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namei.c fs: Allow unprivileged linkat(..., AT_EMPTY_PATH) aka flink 2013-08-05 18:24:11 +04:00
namespace.c create_mnt_ns: unidiomatic use of list_add() 2013-05-04 15:18:53 -04:00
no-block.c
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open.c fs: Fix file mode for O_TMPFILE 2013-08-05 18:24:10 +04:00
pipe.c aio: don't include aio.h in sched.h 2013-05-07 20:16:25 -07:00
pnode.c vfs: Fix invalid ida_remove() call 2013-05-31 15:16:33 -04:00
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
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proc_namespace.c
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read_write.c vfs: export lseek_execute() to modules 2013-07-03 16:23:27 +04:00
readdir.c [readdir] constify ->actor 2013-06-29 12:57:05 +04:00
select.c net: rename include/net/ll_poll.h to include/net/busy_poll.h 2013-07-10 17:08:27 -07:00
seq_file.c seq_file: add seq_list_*_percpu helpers 2013-07-08 13:36:41 +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 2013-07-03 09:10:19 -07:00
stack.c
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stat.c switch vfs_getattr() to struct path 2013-02-26 02:46:08 -05:00
statfs.c
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super.c livelock avoidance in sget() 2013-07-20 04:58:58 +04:00
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 timerfd: Add alarm timers 2013-05-29 12:57:34 -07:00
utimes.c
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xattr.c
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xattr_acl.c
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