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linux-stable/fs
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Louis Rilling 6f61076406 configfs: Introduce configfs_dirent_lock 
This patch introduces configfs_dirent_lock spinlock to protect configfs_dirent
traversals against linkage mutations (add/del/move). This will allow
configfs_detach_prep() to avoid locking i_mutexes.

Locking rules for configfs_dirent linkage mutations are the same plus the
requirement of taking configfs_dirent_lock. For configfs_dirent walking, one can
either take appropriate i_mutex as before, or take configfs_dirent_lock.

The spinlock could actually be a mutex, but the critical sections are either
O(1) or should not be too long (default groups walking in last patch).

ChangeLog:
  - Clarify the comment on configfs_dirent_lock usage
  - Move sd->s_element init before linking the new dirent
  - In lseek(), do not release configfs_dirent_lock before the dirent is
    relinked.

Signed-off-by: Louis Rilling <Louis.Rilling@kerlabs.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
2008-07-14 13:57:15 -07:00
..
9p
9p: fix O_APPEND in legacy mode
2008-07-03 09:59:03 -05:00
adfs
fs: replace remaining __FUNCTION__ occurrences
2008-04-30 08:29:54 -07:00
affs
[PATCH] fix reservation discarding in affs
2008-05-06 13:45:33 -04:00
afs
Fix various old email addresses for dwmw2
2008-06-06 11:29:10 -07:00
autofs
mount options: fix autofs
2008-02-08 09:22:40 -08:00
autofs4
autofs: path_{get,put}() cleanups
2008-05-01 08:04:01 -07:00
befs
byteorder: don't directly include linux/byteorder/generic.h
2008-05-16 12:01:45 -07:00
bfs
fs: replace remaining __FUNCTION__ occurrences
2008-04-30 08:29:54 -07:00
cifs
cifs: fix wksidarr declaration to be big-endian friendly
2008-07-12 14:33:42 -07:00
coda
codafs: fix build warning
2008-04-29 08:06:04 -07:00
configfs
configfs: Introduce configfs_dirent_lock
2008-07-14 13:57:15 -07:00
cramfs
fs: Remove unnecessary inclusions of asm/semaphore.h
2008-04-18 22:16:44 -04:00
debugfs
DEBUGFS: Correct location of debugfs API documentation.
2008-04-30 16:52:47 -07:00
devpts
devpts: factor out PTY index allocation
2008-04-30 08:29:48 -07:00
dlm
dlm: fix plock dev_write return value
2008-05-19 15:37:27 -05:00
ecryptfs
ecryptfs: remove unnecessary mux from ecryptfs_init_ecryptfs_miscdev()
2008-07-04 10:40:05 -07:00
efs
efs: update error msg to not refer to deleted read_inode()
2008-04-02 15:28:19 -07:00
exportfs
fs: replace remaining __FUNCTION__ occurrences
2008-04-30 08:29:54 -07:00
ext2
ext2: retry block allocation if new blocks are allocated from system zone
2008-04-28 08:58:43 -07:00
ext3
ext3: add missing unlock to error path in ext3_quota_write()
2008-07-04 10:40:05 -07:00
ext4
ext4: add missing unlock to an error path in ext4_quota_write()
2008-07-04 10:40:05 -07:00
fat
fat: relax the permission check of fat_setattr()
2008-06-12 18:05:39 -07:00
freevxfs
fs/freevxfs/: proper externs
2008-04-29 08:06:00 -07:00
fuse
fuse: fix thinko in max I/O size calucation
2008-06-17 18:08:10 -07:00
gfs2
[GFS2] fix gfs2 block allocation (cleaned up)
2008-06-24 19:02:28 +01:00
hfs
hfs: fix warning with 64k PAGE_SIZE
2008-04-30 08:29:52 -07:00
hfsplus
Fix hfsplus oops on image without extents
2008-05-13 08:02:24 -07:00
hostfs
uml: fix hostfs tv_usec calculations
2008-02-05 09:44:30 -08:00
hpfs
mount options: fix hpfs
2008-02-08 09:22:40 -08:00
hppfs
fix hppfs Makefile breakage
2008-05-21 16:55:58 -07:00
hugetlbfs
mm: bdi: add separate writeback accounting capability
2008-04-30 08:29:50 -07:00
isofs
isofs: fix access to unallocated memory when reading corrupted filesystem
2008-04-30 08:29:33 -07:00
jbd
jbd: need to hold j_state_lock to updates to transaction t_state to T_COMMIT
2008-05-14 19:11:14 -07:00
jbd2
jbd2: Fix barrier fallback code to re-lock the buffer head
2008-06-03 22:31:11 -04:00
jffs2
Merge git://git.infradead.org/mtd-2.6
2008-05-01 11:15:28 -07:00
jfs
proc: remove proc_root_fs
2008-04-29 08:06:18 -07:00
lockd
fs: replace remaining __FUNCTION__ occurrences
2008-04-30 08:29:54 -07:00
minix
iget: stop the MINIX filesystem from using iget() and read_inode()
2008-02-07 08:42:28 -08:00
msdos
fs: replace remaining __FUNCTION__ occurrences
2008-04-30 08:29:54 -07:00
ncpfs
ncpfs: use get/put_unaligned_* helpers
2008-04-29 08:06:28 -07:00
nfs
NFS: Fix readdir cache invalidation
2008-07-08 15:22:40 -04:00
nfs_common
[PATCH] nfs_common endianness annotations
2006-10-20 10:26:41 -07:00
nfsd
nfsd: reorder printk in do_probe_callback to avoid use-after-free
2008-05-18 19:13:07 -04:00
nls
sparse pointer use of zero as null
2007-10-18 14:37:31 -07:00
ntfs
ntfs: le*_add_cpu conversion
2008-05-24 09:56:08 -07:00
ocfs2
ocfs2: Don't snprintf() without a format.
2008-07-14 13:57:15 -07:00
openpromfs
iget: stop OPENPROMFS from using iget() and read_inode()
2008-02-07 08:42:29 -08:00
partitions
fs: replace remaining __FUNCTION__ occurrences
2008-04-30 08:29:54 -07:00
proc
Fix pagemap_read() use of struct mm_walk
2008-07-05 13:13:44 -07:00
qnx4
iget: stop QNX4 from using iget() and read_inode()
2008-02-07 08:42:28 -08:00
ramfs
mm: bdi: add separate writeback accounting capability
2008-04-30 08:29:50 -07:00
reiserfs
reiserfs: discard prealloc in reiserfs_delete_inode
2008-07-08 12:39:31 -07:00
romfs
ROMFS: Fix up an error in iget removal
2008-03-19 18:53:36 -07:00
smbfs
fs: replace remaining __FUNCTION__ occurrences
2008-04-30 08:29:54 -07:00
sysfs
sysfs: remove error messages for -EEXIST case
2008-05-14 22:34:16 -07:00
sysv
sysv: [bl]e*_add_cpu conversion
2008-04-30 08:29:52 -07:00
udf
udf: Fix regression in UDF anchor block detection
2008-06-24 11:38:03 +02:00
ufs
ufs: remove unneeded ufs_put_inode prototype
2008-05-13 08:02:23 -07:00
vfat
fs: replace remaining __FUNCTION__ occurrences
2008-04-30 08:29:54 -07:00
xfs
Fix reference counting race on log buffers
2008-07-11 11:37:18 -07:00
aio.c
uml: activate_mm: remove the dead PF_BORROWED_MM check
2008-06-06 11:36:22 -07:00
anon_inodes.c
[PATCH] sanitize anon_inode_getfd()
2008-05-01 13:08:50 -04:00
attr.c
VFS: make notify_change pass ATTR_KILL_S*ID to setattr operations
2007-10-18 14:37:22 -07:00
bad_inode.c
iget: introduce a function to register iget failure
2008-02-07 08:42:26 -08:00
binfmt_aout.c
fs/binfmt_aout.c: use printk_ratelimit()
2008-04-29 08:06:04 -07:00
binfmt_elf_fdpic.c
nommu: fix ksize() abuse
2008-06-06 11:29:13 -07:00
binfmt_elf.c
Remove last traces of a.out support from ELF loader.
2008-06-16 10:20:57 -07:00
binfmt_em86.c
binfmt_misc.c: avoid potential kernel stack overflow
2008-04-29 08:06:04 -07:00
binfmt_flat.c
nommu: fix ksize() abuse
2008-06-06 11:29:13 -07:00
binfmt_misc.c
binfmt_misc.c: avoid potential kernel stack overflow
2008-04-29 08:06:04 -07:00
binfmt_script.c
binfmt_misc.c: avoid potential kernel stack overflow
2008-04-29 08:06:04 -07:00
binfmt_som.c
[PATCH] sanitize handling of shared descriptor tables in failing execve()
2008-04-25 09:23:53 -04:00
bio.c
docbook: fix bio missing parameter
2008-05-07 18:35:03 +02:00
block_dev.c
[PATCH] fix cgroup-inflicted breakage in block_dev.c
2008-06-23 08:30:55 -04:00
buffer.c
Properly notify block layer of sync writes
2008-07-01 09:07:34 +02:00
char_dev.c
fs: remove unused fops from struct char_device_struct
2008-04-29 08:06:01 -07:00
compat_binfmt_elf.c
x86: compat_binfmt_elf
2008-01-30 13:31:46 +01:00
compat_ioctl.c
tty: The big operations rework
2008-04-30 08:29:47 -07:00
compat.c
[PATCH] get rid of leak in compat_execve()
2008-05-16 17:23:05 -04:00
dcache.c
[patch 2/3] vfs: dcache cleanups
2008-06-23 13:07:00 -04:00
dcookies.c
d_path: Make d_path() use a struct path
2008-02-14 21:17:09 -08:00
direct-io.c
Pagecache zeroing: zero_user_segment, zero_user_segments and zero_user
2008-02-05 09:44:13 -08:00
dnotify.c
[PATCH] split linux/file.h
2008-05-01 13:08:16 -04:00
dquot.c
quota: don't call sync_fs() from vfs_quota_off() when there's no quota turn off
2008-05-13 08:02:23 -07:00
drop_caches.c
vfs: skip inodes without pages to free in drop_pagecache_sb()
2008-04-29 08:06:05 -07:00
eventfd.c
[PATCH] sanitize anon_inode_getfd()
2008-05-01 13:08:50 -04:00
eventpoll.c
[PATCH] sanitize anon_inode_getfd()
2008-05-01 13:08:50 -04:00
exec.c
exec: fix stack excutability without PT_GNU_STACK
2008-07-10 13:25:43 -07:00
fcntl.c
[PATCH] split linux/file.h
2008-05-01 13:08:16 -04:00
fifo.c
Detach sched.h from mm.h
2007-05-21 09:18:19 -07:00
file_table.c
[PATCH] split linux/file.h
2008-05-01 13:08:16 -04:00
file.c
[PATCH] avoid multiplication overflows and signedness issues for max_fds
2008-05-16 17:22:52 -04:00
filesystems.c
add filesystem subtype support
2007-05-08 11:15:01 -07:00
fs-writeback.c
fs/fs-writeback.c: make 2 functions static
2008-04-29 08:06:00 -07:00
generic_acl.c
Introduce is_owner_or_cap() to wrap CAP_FOWNER use with fsuid check
2007-07-17 12:00:03 -07:00
inode.c
VFS: fix unused variable warning
2008-05-06 13:13:37 -07:00
inotify_user.c
Remove duplicated unlikely() in IS_ERR()
2008-04-29 08:06:25 -07:00
inotify.c
inotify: remove debug code
2008-02-06 10:41:07 -08:00
internal.h
[PATCH] move a bunch of declarations to fs/internal.h
2008-04-21 23:11:01 -04:00
ioctl.c
make vfs_ioctl() static
2008-04-29 08:06:00 -07:00
ioprio.c
cfq-iosched: relax IOPRIO_CLASS_IDLE restrictions
2008-01-28 11:38:15 +01:00
Kconfig
[PATCH 1/2] ocfs2: Add CONFIG_OCFS2_FS_STATS config option
2008-07-14 13:57:14 -07:00
Kconfig.binfmt
frv: don't offer BINFMT_FLAT
2008-06-06 11:29:08 -07:00
libfs.c
add kernel-doc for simple_read_from_buffer and memory_read_from_buffer
2008-07-04 10:40:07 -07:00
locks.c
[patch 4/4] flock: remove unused fields from file_lock_operations
2008-06-23 11:52:30 -04:00
Makefile
x86: compat_binfmt_elf Kconfig
2008-01-30 13:31:46 +01:00
mbcache.c
vfs: fix possible deadlock in ext2, ext3, ext4 when using xattrs
2008-04-15 19:35:41 -07:00
mpage.c
docbook: fix filesystems.tmpl source files
2008-03-03 10:47:13 -08:00
namei.c
[patch 3/4] vfs: fix ERR_PTR abuse in generic_readlink
2008-06-23 11:52:30 -04:00
namespace.c
fs: replace remaining __FUNCTION__ occurrences
2008-04-30 08:29:54 -07:00
nfsctl.c
Introduce path_put()
2008-02-14 21:13:33 -08:00
no-block.c
[PATCH] BLOCK: Make it possible to disable the block layer [try #6]
2006-09-30 20:52:31 +02:00
open.c
security: filesystem capabilities: fix fragile setuid fixup code
2008-07-04 10:40:08 -07:00
pipe.c
[patch 1/4] vfs: path_{get,put}() cleanups
2008-06-23 11:52:29 -04:00
pnode.c
[patch 7/7] vfs: mountinfo: show dominating group id
2008-04-23 00:05:09 -04:00
pnode.h
[patch 7/7] vfs: mountinfo: show dominating group id
2008-04-23 00:05:09 -04:00
posix_acl.c
[PATCH] kmemdup: some users
2006-10-01 00:39:19 -07:00
quota_v1.c
quota: do not allow setting of quota limits to too high values
2008-04-28 08:58:32 -07:00
quota_v2.c
quota: le*_add_cpu conversion
2008-04-30 08:29:51 -07:00
quota.c
quota: quota core changes for quotaon on remount
2008-04-28 08:58:33 -07:00
read_write.c
fs: use loff_t type instead of long long
2008-04-22 15:17:11 -07:00
read_write.h
[PATCH] Remove readv/writev methods and use aio_read/aio_write instead
2006-10-01 00:39:28 -07:00
readdir.c
Use mutex_lock_killable in vfs_readdir
2007-12-06 17:39:54 -05:00
select.c
Fix performance regression on lmbench select benchmark
2008-06-22 12:23:15 -07:00
seq_file.c
[patch 2/7] vfs: mountinfo: add seq_file_root()
2008-04-23 00:04:38 -04:00
signalfd.c
[PATCH] sanitize anon_inode_getfd()
2008-05-01 13:08:50 -04:00
splice.c
splice: handle try_to_release_page() failure
2008-05-28 14:49:27 +02:00
stack.c
[PATCH] fs/stack.c: Copy i_nlink after all other attributes are copied
2007-02-19 14:21:50 -08:00
stat.c
Introduce path_put()
2008-02-14 21:13:33 -08:00
super.c
make __put_super() static
2008-04-29 08:06:00 -07:00
sync.c
vfs: fix unconditional write_super() call in file_fsync()
2008-04-29 08:06:06 -07:00
timerfd.c
[PATCH] sanitize anon_inode_getfd()
2008-05-01 13:08:50 -04:00
utimes.c
[patch for 2.6.26 4/4] vfs: utimensat(): fix write access check for futimens()
2008-06-23 08:43:52 -04:00
xattr_acl.c
[PATCH] remove many unneeded #includes of sched.h
2007-02-14 08:09:54 -08:00
xattr.c
xattr: add missing consts to function arguments
2008-04-29 08:06:06 -07:00