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linux/fs
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Pavel Emelyanov bac0abd617 Isolate some explicit usage of task->tgid 
With pid namespaces this field is now dangerous to use explicitly, so hide
it behind the helpers.

Also the pid and pgrp fields o task_struct and signal_struct are to be
deprecated.  Unfortunately this patch cannot be sent right now as this
leads to tons of warnings, so start isolating them, and deprecate later.

Actually the p->tgid == pid has to be changed to has_group_leader_pid(),
but Oleg pointed out that in case of posix cpu timers this is the same, and
thread_group_leader() is more preferable.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-19 11:53:40 -07:00
..
9p 9p: fix bad kconfig cross-dependency 2007-10-17 14:31:07 -05:00
adfs Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
affs fs: mark nibblemap const 2007-10-17 08:42:47 -07:00
afs KEYS: Make request_key() and co fundamentally asynchronous 2007-10-17 08:42:57 -07:00
autofs pid namespaces: round up the API 2007-10-19 11:53:37 -07:00
autofs4 pid namespaces: round up the API 2007-10-19 11:53:37 -07:00
befs Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
bfs Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
cifs CIFS: ignore mode change if it's just for clearing setuid/setgid bits 2007-10-18 14:37:22 -07:00
coda pid namespaces: round up the API 2007-10-19 11:53:37 -07:00
configfs r/o bind mounts: filesystem helpers for custom 'struct file's 2007-10-17 08:43:04 -07:00
cramfs fs/cramfs/inode.c: replace hardcoded value with preprocessor constant 2007-10-18 14:37:29 -07:00
debugfs docbook: fix filesystems content 2007-10-15 17:56:36 -07:00
devpts
dlm menuconfig: transform NLS and DLM menus 2007-10-17 08:43:00 -07:00
ecryptfs ecryptfs: allow lower fs to interpret ATTR_KILL_S*ID 2007-10-18 14:37:21 -07:00
efs Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
exportfs
ext2 ext2 reservations 2007-10-17 08:43:02 -07:00
ext3 JBD: Fix JBD warnings when compiling with CONFIG_JBD_DEBUG 2007-10-19 11:53:35 -07:00
ext4 ext4: lighten up resize transaction requirements 2007-10-17 18:50:04 -04:00
fat Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
freevxfs
fuse fuse: add blksize field to fuse_attr 2007-10-18 14:37:31 -07:00
gfs2 fs: correct SuS compliance for open of large file without options 2007-10-17 08:43:01 -07:00
hfs Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
hfsplus Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
hostfs uml: fix hostfs style 2007-10-16 09:43:07 -07:00
hpfs Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
hppfs
hugetlbfs r/o bind mounts: filesystem helpers for custom 'struct file's 2007-10-17 08:43:04 -07:00
isofs fs/isofs/namei.c: Remove uninitialized local vars warning 2007-10-17 08:42:58 -07:00
jbd JBD: Fix JBD warnings when compiling with CONFIG_JBD_DEBUG 2007-10-19 11:53:35 -07:00
jbd2 JBD2: debug code cleanup. 2007-10-17 18:49:59 -04:00
jffs2 Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
jfs introduce I_SYNC 2007-10-17 08:43:02 -07:00
lockd
minix limit minixfs printks on corrupted dir i_size 2007-10-17 08:42:53 -07:00
msdos
ncpfs Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
nfs NFS: if ATTR_KILL_S*ID bits are set, then skip mode change 2007-10-18 14:37:22 -07:00
nfs_common
nfsd knfsd: only set ATTR_KILL_S*ID if ATTR_MODE isn't being explicitly set 2007-10-18 14:37:22 -07:00
nls sparse pointer use of zero as null 2007-10-18 14:37:31 -07:00
ntfs writeback: fix ntfs with sb_has_dirty_inodes() 2007-10-17 08:43:02 -07:00
ocfs2 Fix f_version type: should be u64 instead of unsigned long 2007-10-17 08:42:53 -07:00
openpromfs Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
partitions fs/partitions/sun.c endianness annotations 2007-10-14 12:41:51 -07:00
proc Isolate some explicit usage of task->tgid 2007-10-19 11:53:40 -07:00
qnx4 Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
ramfs Remove valueless definition of hard-selected RAMFS option 2007-10-17 08:42:56 -07:00
reiserfs reiserfs: ignore on disk s_bmap_nr value 2007-10-19 11:53:35 -07:00
romfs fs/romfs/inode.c: trivial improvements 2007-10-17 08:42:47 -07:00
smbfs Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
sysfs spin_lock_unlocked cleanups 2007-10-17 08:43:01 -07:00
sysv Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
udf fs/udf/balloc.c: mark a variable as uninitialized_var() 2007-10-17 08:43:00 -07:00
ufs ufs: Fix mount check in ufs_fill_super() 2007-10-17 08:42:51 -07:00
vfat
xfs Merge branch 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6 2007-10-17 09:04:11 -07:00
aio.c Remove struct task_struct::io_wait 2007-10-18 14:37:20 -07:00
anon_inodes.c anon-inodes use open coded atomic_inc for the shared inode 2007-10-17 08:43:00 -07:00
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
binfmt_aout.c core_pattern: ignore RLIMIT_CORE if core_pattern is a pipe 2007-10-17 08:42:50 -07:00
binfmt_elf_fdpic.c pid namespaces: changes to show virtual ids to user 2007-10-19 11:53:40 -07:00
binfmt_elf.c pid namespaces: changes to show virtual ids to user 2007-10-19 11:53:40 -07:00
binfmt_em86.c
binfmt_flat.c binfmt_flat: warning fixes 2007-10-17 08:42:54 -07:00
binfmt_misc.c
binfmt_script.c
binfmt_som.c core_pattern: ignore RLIMIT_CORE if core_pattern is a pipe 2007-10-17 08:42:50 -07:00
bio.c bio: make freeing of ->bi_io_vec conditional in bio_free() 2007-10-16 11:03:52 +02:00
block_dev.c Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
buffer.c writeback: remove pages_skipped accounting in __block_write_full_page() 2007-10-17 08:43:02 -07:00
char_dev.c mm: bdi init hooks 2007-10-17 08:42:45 -07:00
compat_ioctl.c sparse pointer use of zero as null 2007-10-18 14:37:31 -07:00
compat.c
dcache.c vfs: use the predefined d_unhashed inline function instead 2007-10-17 08:43:00 -07:00
dcookies.c
direct-io.c remove ZERO_PAGE 2007-10-16 09:42:53 -07:00
dnotify.c
dquot.c quota: send messages via netlink 2007-10-17 08:42:56 -07:00
drop_caches.c
eventfd.c
eventpoll.c fs/eventpoll.c: use list_for_each_entry() instead of list_for_each() 2007-10-19 11:53:38 -07:00
exec.c Isolate some explicit usage of task->tgid 2007-10-19 11:53:40 -07:00
fcntl.c pid namespaces: changes to show virtual ids to user 2007-10-19 11:53:40 -07:00
fifo.c
file_table.c fs/file_table.c: use list_for_each_entry() instead of list_for_each() 2007-10-19 11:53:38 -07:00
file.c
filesystems.c
fs-writeback.c introduce I_SYNC 2007-10-17 08:43:02 -07:00
generic_acl.c
inode.c introduce I_SYNC 2007-10-17 08:43:02 -07:00
inotify_user.c change inotifyfs magic as the same magic is used for futexfs 2007-10-17 08:43:00 -07:00
inotify.c
internal.h
ioctl.c
ioprio.c Uninline find_task_by_xxx set of functions 2007-10-19 11:53:40 -07:00
Kconfig jbd: config_jbd_debug cannot create /proc entry 2007-10-19 11:53:35 -07:00
Kconfig.binfmt
libfs.c make fs/libfs.c:simple_commit_write() static 2007-10-17 08:42:53 -07:00
locks.c Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
Makefile Remove valueless definition of hard-selected RAMFS option 2007-10-17 08:42:56 -07:00
mbcache.c
mpage.c mm: buffered write cleanup 2007-10-16 09:42:54 -07:00
namei.c VFS: allow filesystems to implement atomic open+truncate 2007-10-18 14:37:30 -07:00
namespace.c pid namespaces: introduce MS_KERNMOUNT flag 2007-10-19 11:53:38 -07:00
nfsctl.c nfsctl: use vfs_path_lookup 2007-07-19 10:04:45 -07:00
no-block.c
open.c Implement file posix capabilities 2007-10-17 08:43:07 -07:00
pipe.c sched: affine sync wakeups 2007-10-15 17:00:19 +02:00
pnode.c
pnode.h
posix_acl.c
quota_v1.c
quota_v2.c
quota.c
read_write.c
read_write.h
readdir.c
select.c Use ERESTART_RESTARTBLOCK if poll() is interrupted by a signal 2007-10-17 08:42:53 -07:00
seq_file.c
signalfd.c rename signalfd_siginfo fields 2007-10-17 08:43:01 -07:00
splice.c Implement file posix capabilities 2007-10-17 08:43:07 -07:00
stack.c
stat.c
super.c pid namespaces: introduce MS_KERNMOUNT flag 2007-10-19 11:53:38 -07:00
sync.c
timerfd.c
utimes.c VFS: check nanoseconds in utimensat 2007-10-17 08:42:52 -07:00
xattr_acl.c
xattr.c