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Tejun Heo 13b3086d2e sysfs: add sysfs_dirent->s_parent ...

Add sysfs_dirent->s_parent.  With this patch, each sd points to and
holds a reference to its parent.  This allows walking sysfs tree
without referencing sd->s_dentry which can go away anytime if the user
doesn't control when it's deleted.

sd->s_parent is initialized and parent is referenced in
sysfs_attach_dirent().  Reference to parent is released when the sd is
released, so as long as reference to a sd is held, s_parent can be
followed.

dentry walk in sysfs_readdir() is convereted to s_parent walk.

This will be used to reimplement symlink such that it uses only
sysfs_dirent tree.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2007-07-11 16:09:04 -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

debugfs: add rename for debugfs files

2007-07-11 16:09:00 -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: add sysfs_dirent->s_parent

2007-07-11 16:09:04 -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