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Andi Kleen 9465efc9e9 Remove BKL from remote_llseek v2 
- Replace remote_llseek with generic_file_llseek_unlocked (to force compilation
failures in all users)
- Change all users to either use generic_file_llseek_unlocked directly or
take the BKL around. I changed the file systems who don't use the BKL
for anything (CIFS, GFS) to call it directly. NCPFS and SMBFS and NFS
take the BKL, but explicitely in their own source now.

I moved them all over in a single patch to avoid unbisectable sections.

Open problem: 32bit kernels can corrupt fpos because its modification
is not atomic, but they can do that anyways because there's other paths who
modify it without BKL.

Do we need a special lock for the pos/f_version = 0 checks?

Trond says the NFS BKL is likely not needed, but keep it for now
until his full audit.

v2: Use generic_file_llseek_unlocked instead of remote_llseek_unlocked
    and factor duplicated code (suggested by hch)

Cc: Trond.Myklebust@netapp.com
Cc: swhiteho@redhat.com
Cc: sfrench@samba.org
Cc: vandrove@vc.cvut.cz

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-07-02 15:06:27 -06:00
..
9p 9p: fix error path during early mount 2008-05-14 19:23:27 -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 afs: replace remaining __FUNCTION__ occurrences 2008-04-30 08:29:54 -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 Remove BKL from remote_llseek v2 2008-07-02 15:06:27 -06:00
coda codafs: fix build warning 2008-04-29 08:06:04 -07:00
configfs fs: replace remaining __FUNCTION__ occurrences 2008-04-30 08:29:54 -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-user: BKL pushdown 2008-06-20 14:05:56 -06:00
ecryptfs eCryptFS: fix imbalanced mutex locking 2008-05-13 08:02:26 -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 ext3/4: fix uninitialized bs in ext3/4_xattr_set_handle() 2008-05-14 19:11:14 -07:00
ext4 ext4: Retry block allocation if new blocks are allocated from system zone. 2008-05-15 14:43:20 -04:00
fat Make FAT users happier by not deadlocking 2008-07-02 15:06:27 -06:00
freevxfs fs/freevxfs/: proper externs 2008-04-29 08:06:00 -07:00
fuse fuse: add flag to turn on big writes 2008-05-13 08:02:26 -07:00
gfs2 Remove BKL from remote_llseek v2 2008-07-02 15:06:27 -06:00
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 uml: move hppfs_kern.c to hppfs.c 2008-05-13 08:02:21 -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: update transaction t_state to T_COMMIT fix 2008-05-15 14:46:17 -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 Replace BKL with superblock lock in fat/msdos/vfat 2008-06-20 14:05:54 -06:00
ncpfs Remove BKL from remote_llseek v2 2008-07-02 15:06:27 -06:00
nfs Remove BKL from remote_llseek v2 2008-07-02 15:06:27 -06:00
nfs_common
nfsd fs: replace remaining __FUNCTION__ occurrences 2008-04-30 08:29:54 -07:00
nls sparse pointer use of zero as null 2007-10-18 14:37:31 -07:00
ntfs fs: replace remaining __FUNCTION__ occurrences 2008-04-30 08:29:54 -07:00
ocfs2 ocfs2-stack_user: BKL pushdown 2008-07-02 15:06:23 -06:00
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 capabilities: add bounding set to /proc/self/status 2008-05-13 08:02:24 -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: use open_bdev_excl 2008-04-30 08:29:51 -07:00
romfs ROMFS: Fix up an error in iget removal 2008-03-19 18:53:36 -07:00
smbfs Remove BKL from remote_llseek v2 2008-07-02 15:06:27 -06:00
sysfs sysfs: Disallow truncation of files in sysfs 2008-04-30 16:52:46 -07:00
sysv sysv: [bl]e*_add_cpu conversion 2008-04-30 08:29:52 -07:00
udf Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6 2008-05-08 10:48:03 -07:00
ufs ufs: remove unneeded ufs_put_inode prototype 2008-05-13 08:02:23 -07:00
vfat Replace BKL with superblock lock in fat/msdos/vfat 2008-06-20 14:05:54 -06:00
xfs [XFS] Include linux/random.h in all builds, not just debug. 2008-04-30 07:53:50 -07:00
aio.c debugobjects: add timer specific object debugging code 2008-04-30 08:29:53 -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.c elf: fix shadowed variables in fs/binfmt_elf.c 2008-04-29 08:06:16 -07:00
binfmt_elf_fdpic.c fdpic: check that the size returned by kernel_read() is what we asked for 2008-04-29 08:06:05 -07:00
binfmt_em86.c binfmt_misc.c: avoid potential kernel stack overflow 2008-04-29 08:06:04 -07:00
binfmt_flat.c procfs task exe symlink 2008-04-29 08:06:17 -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 fs/block_dev.c: remove #if 0'ed code 2008-02-19 10:04:00 +01:00
buffer.c fs: replace remaining __FUNCTION__ occurrences 2008-04-30 08:29:54 -07:00
char_dev.c Remove the lock_kernel() call from chrdev_open() 2008-06-20 14:05:53 -06:00
compat.c [PATCH] split linux/file.h 2008-05-01 13:08:16 -04:00
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
dcache.c [patch 2/7] vfs: mountinfo: add seq_file_root() 2008-04-23 00:04:38 -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 memcg: fix possible panic when CONFIG_MM_OWNER=y 2008-05-13 08:02:25 -07:00
fcntl.c [PATCH] split linux/file.h 2008-05-01 13:08:16 -04:00
fifo.c
file.c [PATCH] fix sysctl_nr_open bugs 2008-05-01 13:08:57 -04:00
file_table.c [PATCH] split linux/file.h 2008-05-01 13:08:16 -04:00
filesystems.c
fs-writeback.c fs/fs-writeback.c: make 2 functions static 2008-04-29 08:06:00 -07:00
generic_acl.c
inode.c VFS: fix unused variable warning 2008-05-06 13:13:37 -07:00
inotify.c inotify: remove debug code 2008-02-06 10:41:07 -08:00
inotify_user.c Remove duplicated unlikely() in IS_ERR() 2008-04-29 08:06:25 -07:00
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 [S390] System z large page support. 2008-04-30 13:38:47 +02:00
Kconfig.binfmt make BINFMT_FLAT a bool 2008-04-29 08:06:01 -07:00
libfs.c Pagecache zeroing: zero_user_segment, zero_user_segments and zero_user 2008-02-05 09:44:13 -08:00
locks.c Add new 'cond_resched_bkl()' helper function 2008-05-11 16:04:48 -07:00
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 cgroups: implement device whitelist 2008-04-29 08:06:09 -07:00
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
open.c [PATCH] split linux/file.h 2008-05-01 13:08:16 -04:00
pipe.c sys_pipe(): fix file descriptor leaks 2008-05-08 10:46:56 -07:00
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
quota.c quota: quota core changes for quotaon on remount 2008-04-28 08:58:33 -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
read_write.c Remove BKL from remote_llseek v2 2008-07-02 15:06:27 -06:00
read_write.h
readdir.c Use mutex_lock_killable in vfs_readdir 2007-12-06 17:39:54 -05:00
select.c [PATCH] split linux/file.h 2008-05-01 13:08:16 -04:00
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 Revert "relay: fix splice problem" 2008-05-08 14:06:19 +02:00
stack.c
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 vfs: fix permission checking in sys_utimensat 2008-05-01 08:03:59 -07:00
xattr.c xattr: add missing consts to function arguments 2008-04-29 08:06:06 -07:00
xattr_acl.c