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Pavel Emelianov bcf67e1625 Make common helpers for seq_files that work with list_heads 
Many places in kernel use seq_file API to iterate over a regular list_head.
The code for such iteration is identical in all the places, so it's worth
introducing a common helpers.

This makes code about 300 lines smaller:

The first version of this patch made the helper functions static inline
in the seq_file.h header. This patch moves them to the fs/seq_file.c as
Andrew proposed. The vmlinux .text section sizes are as follows:

2.6.22-rc1-mm1:              0x001794d5
with the previous version:   0x00179505
with this patch:             0x00179135

The config file used was make allnoconfig with the "y" inclusion of all
the possible options to make the files modified by the patch compile plus
drivers I have on the test node.

This patch:

Many places in kernel use seq_file API to iterate over a regular list_head.
The code for such iteration is identical in all the places, so it's worth
introducing a common helpers.

Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-10 17:51:13 -07:00
..
9p
Detach sched.h from mm.h
2007-05-21 09:18:19 -07:00
adfs
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
affs
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
afs
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
autofs
Replace pid_t in autofs with struct pid reference
2007-05-11 08:29:36 -07:00
autofs4
Fix some coding-style errors in autofs
2007-05-11 08:29:36 -07:00
befs
Remove SLAB_CTOR_CONSTRUCTOR
2007-05-17 05:23:04 -07:00
bfs
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
cifs
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
coda
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
configfs
Detach sched.h from mm.h
2007-05-21 09:18:19 -07:00
cramfs
mm: make read_cache_page synchronous
2007-05-07 12:12:51 -07:00
debugfs
remove "struct subsystem" as it is no longer needed
2007-05-02 18:57:59 -07:00
devpts
devpts: add fsnotify create event
2007-05-08 11:14:59 -07:00
dlm
[DLM] dump more lock values
2007-07-09 08:24:13 +01:00
ecryptfs
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
efs
Remove SLAB_CTOR_CONSTRUCTOR
2007-05-17 05:23:04 -07:00
exportfs
header cleaning: don't include smp_lock.h when not used
2007-05-08 11:15:07 -07:00
ext2
xip sendfile removal
2007-07-10 08:04:15 +02:00
ext3
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
ext4
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
fat
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
freevxfs
freevxfs: possible null pointer dereference fix
2007-05-08 11:14:59 -07:00
fuse
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
gfs2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw
2007-07-10 13:56:13 -07:00
hfs
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
hfsplus
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
hostfs
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
hpfs
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
hppfs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
hugetlbfs
shm: fix the filename of hugetlb sysv shared memory
2007-06-16 13:16:16 -07:00
isofs
Remove SLAB_CTOR_CONSTRUCTOR
2007-05-17 05:23:04 -07:00
jbd
fix file specification in comments
2007-05-09 08:58:16 +02:00
jbd2
fix file specification in comments
2007-05-09 08:58:16 +02:00
jffs2
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
jfs
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
lockd
NLM: Fix sparse warnings
2007-05-14 19:33:46 -04:00
minix
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
msdos
[PATCH] mark struct inode_operations const 2
2007-02-12 09:48:46 -08:00
ncpfs
Detach sched.h from mm.h
2007-05-21 09:18:19 -07:00
nfs
sendfile: convert nfs to using splice_read()
2007-07-10 08:04:14 +02:00
nfs_common
…
nfsd
pipe: change the ->pin() operation to ->confirm()
2007-07-10 08:04:15 +02:00
nls
[PATCH] fs: make nls_cp936.c handle some U00XY characters and U20AC correctly
2006-12-07 08:39:46 -08:00
ntfs
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
ocfs2
pipe: change the ->pin() operation to ->confirm()
2007-07-10 08:04:15 +02:00
openpromfs
Remove SLAB_CTOR_CONSTRUCTOR
2007-05-17 05:23:04 -07:00
partitions
[S390] fixed cdl-format detection.
2007-07-10 11:24:44 +02:00
proc
sched: scheduler debugging, core
2007-07-09 18:52:00 +02:00
qnx4
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
ramfs
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
reiserfs
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
romfs
Remove SLAB_CTOR_CONSTRUCTOR
2007-05-17 05:23:04 -07:00
smbfs
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
sysfs
sysfs: fix race condition around sd->s_dentry, take#2
2007-06-12 16:08:47 -07:00
sysv
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
udf
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
ufs
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
vfat
[PATCH] mark struct inode_operations const 3
2007-02-12 09:48:46 -08:00
xfs
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
aio.c
signal/timer/event: KAIO eventfd support example
2007-05-11 08:29:37 -07:00
anon_inodes.c
signal/timer/event fds: anonymous inode source
2007-05-11 08:29:36 -07:00
attr.c
header cleaning: don't include smp_lock.h when not used
2007-05-08 11:15:07 -07:00
bad_inode.c
sendfile: remove bad_sendfile() from bad_file_ops
2007-07-10 08:04:15 +02:00
binfmt_aout.c
[PATCH] VFS: change struct file to use struct path
2006-12-08 08:28:41 -08:00
binfmt_elf_fdpic.c
header cleaning: don't include smp_lock.h when not used
2007-05-08 11:15:07 -07:00
binfmt_elf.c
Fix elf_core_dump() when writing arch specific notes (spu coredumps)
2007-07-06 10:23:43 -07:00
binfmt_em86.c
header cleaning: don't include smp_lock.h when not used
2007-05-08 11:15:07 -07:00
binfmt_flat.c
nommu: report correct errno in message
2007-06-08 17:23:32 -07:00
binfmt_misc.c
Detach sched.h from mm.h
2007-05-21 09:18:19 -07:00
binfmt_script.c
header cleaning: don't include smp_lock.h when not used
2007-05-08 11:15:07 -07:00
binfmt_som.c
…
bio.c
unexport bio_{,un}map_user
2007-07-10 08:03:34 +02:00
block_dev.c
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
2007-07-10 08:04:13 +02:00
buffer.c
Fix "fs: convert core functions to zero_user_page"
2007-05-21 09:15:32 -07:00
char_dev.c
[PATCH] remove protection of LANANA-reserved majors
2007-04-04 21:12:47 -07:00
compat_ioctl.c
fix compat console unimap regression
2007-05-25 17:37:46 -07:00
compat.c
optimize compat_core_sys_select() by a using stack space for small fd sets
2007-05-23 20:14:12 -07:00
dcache.c
header cleaning: don't include smp_lock.h when not used
2007-05-08 11:15:07 -07:00
dcookies.c
[PATCH] slab: remove kmem_cache_t
2006-12-07 08:39:25 -08:00
direct-io.c
dio: remove bogus refcounting BUG_ON
2007-07-03 18:23:23 -07:00
dnotify.c
[PATCH] VFS: change struct file to use struct path
2006-12-08 08:28:41 -08:00
dquot.c
circular locking dependency found in QUOTA OFF
2007-05-17 05:23:05 -07:00
drop_caches.c
[PATCH] remove invalidate_inode_pages()
2007-02-11 10:51:31 -08:00
eventfd.c
eventfd use waitqueue lock ...
2007-05-18 13:09:34 -07:00
eventpoll.c
epoll: move kfree inside ep_free
2007-05-15 08:54:00 -07:00
exec.c
uselib: add missing MNT_NOEXEC check
2007-05-23 20:14:13 -07:00
fcntl.c
[PATCH] fdtable: Make fdarray and fdsets equal in size
2006-12-10 09:57:22 -08:00
fifo.c
Detach sched.h from mm.h
2007-05-21 09:18:19 -07:00
file_table.c
header cleaning: don't include smp_lock.h when not used
2007-05-08 11:15:07 -07:00
file.c
[PATCH] fdtable: Provide free_fdtable() wrapper
2006-12-22 08:55:50 -08:00
filesystems.c
add filesystem subtype support
2007-05-08 11:15:01 -07:00
fs-writeback.c
Write back inode data pages even when the inode itself is locked
2007-01-26 12:53:20 -08:00
generic_acl.c
…
inode.c
Remove SLAB_CTOR_CONSTRUCTOR
2007-05-17 05:23:04 -07:00
inotify_user.c
[PATCH] inotify: read return val fix
2007-02-12 09:48:28 -08:00
inotify.c
Introduce a handy list_first_entry macro
2007-05-08 11:15:11 -07:00
internal.h
cleanup compat ioctl handling
2007-05-08 11:15:09 -07:00
ioctl.c
vanishing ioctl handler debugging
2007-06-04 13:25:10 -07:00
ioprio.c
[PATCH] pid: replace do/while_each_task_pid with do/while_each_pid_task
2007-02-12 09:48:32 -08:00
Kconfig
Remove obsolete fat_cvf help text
2007-05-09 08:58:15 +02:00
Kconfig.binfmt
fs: Kill sh dependency for binfmt_flat.
2007-05-21 14:34:00 +09:00
libfs.c
fs/libfs.c: >80 columns line break fix
2007-05-09 06:44:57 +02:00
locks.c
Remove SLAB_CTOR_CONSTRUCTOR
2007-05-17 05:23:04 -07:00
Makefile
signal/timer/event: eventfd core
2007-05-11 08:29:36 -07:00
mbcache.c
[PATCH] slab: remove kmem_cache_t
2006-12-07 08:39:25 -08:00
mpage.c
consolidate generic_writepages and mpage_writepages
2007-05-11 08:29:35 -07:00
namei.c
[PATCH] complete message queue auditing
2007-05-11 05:38:26 -04:00
namespace.c
check privileges before setting mount propagation
2007-05-08 11:15:12 -07:00
nfsctl.c
…
no-block.c
…
open.c
Remove suid/sgid bits on [f]truncate()
2007-05-08 20:10:00 -07:00
pipe.c
pipe: add documentation and comments
2007-07-10 08:04:16 +02:00
pnode.c
Introduce a handy list_first_entry macro
2007-05-08 11:15:11 -07:00
pnode.h
[PATCH] rename struct namespace to struct mnt_namespace
2006-12-08 08:28:51 -08:00
posix_acl.c
…
quota_v1.c
…
quota_v2.c
…
quota.c
circular locking dependency found in QUOTA OFF
2007-05-17 05:23:05 -07:00
read_write.c
Remove remnants of sendfile()
2007-07-10 08:04:15 +02:00
read_write.h
…
readdir.c
ROUND_UP macro cleanup in fs/(select|compat|readdir).c
2007-05-08 11:15:09 -07:00
select.c
Style fix in fs/select.c
2007-05-09 07:10:02 +02:00
seq_file.c
Make common helpers for seq_files that work with list_heads
2007-07-10 17:51:13 -07:00
signalfd.c
avoid spurious POLLIN returns in signalfd
2007-06-28 11:34:54 -07:00
splice.c
pipe: add documentation and comments
2007-07-10 08:04:16 +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
header cleaning: don't include smp_lock.h when not used
2007-05-08 11:15:07 -07:00
super.c
add filesystem subtype support
2007-05-08 11:15:01 -07:00
sync.c
Introduce fixed sys_sync_file_range2() syscall, implement on PowerPC and ARM
2007-06-28 11:38:30 -07:00
timerfd.c
timerfd use waitqueue lock ...
2007-05-18 13:09:34 -07:00
utimes.c
Fix permission checking for the new utimensat() system call
2007-07-08 12:02:55 -07:00
xattr_acl.c
[PATCH] remove many unneeded #includes of sched.h
2007-02-14 08:09:54 -08:00
xattr.c
[PATCH] audit inode for all xattr syscalls
2007-05-11 05:38:26 -04:00