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Al Viro 498052bba5 New locking/refcounting for fs_struct 
* all changes of current->fs are done under task_lock and write_lock of
  old fs->lock
* refcount is not atomic anymore (same protection)
* its decrements are done when removing reference from current; at the
  same time we decide whether to free it.
* put_fs_struct() is gone
* new field - ->in_exec.  Set by check_unsafe_exec() if we are trying to do
  execve() and only subthreads share fs_struct.  Cleared when finishing exec
  (success and failure alike).  Makes CLONE_FS fail with -EAGAIN if set.
* check_unsafe_exec() may fail with -EAGAIN if another execve() from subthread
  is in progress.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-03-31 23:00:26 -04:00
..
9p
vfs: simple_set_mnt() should return void
2009-03-27 14:44:03 -04:00
adfs
constify dentry_operations: misc filesystems
2009-03-27 14:44:00 -04:00
affs
constify dentry_operations: misc filesystems
2009-03-27 14:44:00 -04:00
afs
proc 2/2: remove struct proc_dir_entry::owner
2009-03-31 01:14:44 +04:00
autofs
constify dentry_operations: autofs, autofs4
2009-03-27 14:44:00 -04:00
autofs4
constify dentry_operations: autofs, autofs4
2009-03-27 14:44:00 -04:00
befs
fs/Kconfig: move befs out
2009-01-22 13:15:57 +03:00
bfs
fs/Kconfig: move bfs out
2009-01-22 13:15:57 +03:00
btrfs
btrfs: get rid of current_is_pdflush() in btrfs_btree_balance_dirty
2009-03-26 11:01:35 +01:00
cifs
proc 2/2: remove struct proc_dir_entry::owner
2009-03-31 01:14:44 +04:00
coda
constify dentry_operations: misc filesystems
2009-03-27 14:44:00 -04:00
configfs
constify dentry_operations: configfs
2009-03-27 14:44:03 -04:00
cramfs
fs/Kconfig: move cramfs out
2009-01-22 13:15:58 +03:00
debugfs
debugfs: add helpers for exporting a size_t simple value
2009-01-07 10:00:16 -08:00
devpts
Merge code for single and multiple-instance mounts
2009-03-27 14:44:04 -04:00
dlm
dlm: fix length calculation in compat code
2009-03-11 12:23:59 -05:00
ecryptfs
constify dentry_operations: ecryptfs
2009-03-27 14:44:01 -04:00
efs
fs/Kconfig: move efs out
2009-01-22 13:15:57 +03:00
exportfs
Merge branch 'next' into for-linus
2008-12-25 11:40:09 +11:00
ext2
ext2: Zero our b_size in ext2_quota_read()
2009-03-26 02:18:38 +01:00
ext3
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-quota-2.6
2009-03-27 14:48:34 -07:00
ext4
ext4: Use lowercase names of quota functions
2009-03-26 02:18:36 +01:00
fat
constify dentry_operations: FAT
2009-03-27 14:44:01 -04:00
freevxfs
fs/Kconfig: move vxfs out
2009-01-22 13:15:58 +03:00
fuse
fuse: fix fuse_file_lseek returning with lock held
2009-03-30 17:26:24 +02:00
gfs2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-03-27 16:23:12 -07:00
hfs
constify dentry_operations: misc filesystems
2009-03-27 14:44:00 -04:00
hfsplus
constify dentry_operations: misc filesystems
2009-03-27 14:44:00 -04:00
hostfs
constify dentry_operations: misc filesystems
2009-03-27 14:44:00 -04:00
hpfs
constify dentry_operations: misc filesystems
2009-03-27 14:44:00 -04:00
hppfs
CRED: Use creds in file structs
2008-11-14 10:39:25 +11:00
hugetlbfs
Do not account for the address space used by hugetlbfs using VM_ACCOUNT
2009-02-10 10:48:42 -08:00
isofs
constify dentry_operations: misc filesystems
2009-03-27 14:44:00 -04:00
jbd
jbd: fix return value of journal_start_commit()
2009-02-11 14:25:35 -08:00
jbd2
jbd2: Avoid possible NULL dereference in jbd2_journal_begin_ordered_truncate()
2009-02-10 11:15:34 -05:00
jffs2
[JFFS2] fix mount crash caused by removed nodes
2009-02-21 11:09:29 +01:00
jfs
proc 2/2: remove struct proc_dir_entry::owner
2009-03-31 01:14:44 +04:00
lockd
NLM: Fix GRANT callback address comparison when IPv6 is enabled
2009-03-10 20:33:20 -04:00
minix
Update my email address
2009-03-22 11:28:37 -07:00
ncpfs
constify dentry_operations: misc filesystems
2009-03-27 14:44:00 -04:00
nfs
proc 2/2: remove struct proc_dir_entry::owner
2009-03-31 01:14:44 +04:00
nfs_common
SUNRPC: nfsacl_encode/nfsacl_decode should be exported as GPL-only
2008-12-23 15:21:32 -05:00
nfsd
Take fs_struct handling to new file (fs/fs_struct.c)
2009-03-31 23:00:26 -04:00
nls
remove CONFIG_KMOD from fs
2008-10-17 02:38:36 +11:00
notify
fs: avoid I_NEW inodes
2009-03-27 14:44:05 -04:00
ntfs
fs/Kconfig: move ntfs out
2009-01-22 13:15:55 +03:00
ocfs2
constify dentry_operations: OCFS2
2009-03-27 14:44:02 -04:00
omfs
fs/Kconfig: move omfs out
2009-01-22 13:15:58 +03:00
openpromfs
zero i_uid/i_gid on inode allocation
2009-01-05 11:54:28 -05:00
partitions
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
2009-03-26 16:04:22 -07:00
proc
New locking/refcounting for fs_struct
2009-03-31 23:00:26 -04:00
qnx4
fs/Kconfig: move qnx4 out
2009-01-22 13:15:59 +03:00
quota
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-03-27 16:23:12 -07:00
ramfs
ramfs: Remove quota call
2009-03-26 02:18:35 +01:00
reiserfs
Merge branch 'proc-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/proc
2009-03-30 16:06:04 -07:00
romfs
fs/Kconfig: move romfs out
2009-01-22 13:15:59 +03:00
smbfs
constify dentry_operations: misc filesystems
2009-03-27 14:44:00 -04:00
squashfs
Squashfs: Valid filesystems are flagged as bad by the corrupted fs patch
2009-03-12 03:23:48 +00:00
sysfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-03-27 16:23:12 -07:00
sysv
constify dentry_operations: misc filesystems
2009-03-27 14:44:00 -04:00
ubifs
vfs: simple_set_mnt() should return void
2009-03-27 14:44:03 -04:00
udf
udf: Use lowercase names of quota functions
2009-03-26 02:18:36 +01:00
ufs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-03-27 16:23:12 -07:00
xfs
xfs: only issues a cache flush on unmount if barriers are enabled
2009-03-06 17:35:12 -06:00
aio.c
aio: lookup_ioctx can return the wrong value when looking up a bogus context
2009-03-19 15:57:18 -07:00
anon_inodes.c
constify dentry_operations: rest
2009-03-27 14:44:03 -04:00
attr.c
vfs: Use lowercase names of quota functions
2009-03-26 02:18:35 +01:00
bad_inode.c
kill ->dir_notify()
2008-12-31 18:07:43 -05:00
binfmt_aout.c
sanitize ifdefs in binfmt_aout
2009-01-03 11:45:54 -08:00
binfmt_elf_fdpic.c
FDPIC: Don't attempt to expand the userspace stack to fill the space allocated
2009-01-08 12:04:47 +00:00
binfmt_elf.c
elf core dump: fix get_user use
2009-02-06 17:34:07 -08:00
binfmt_em86.c
Allow recursion in binfmt_script and binfmt_misc
2008-10-16 11:21:38 -07:00
binfmt_flat.c
FLAT: Don't attempt to expand the userspace stack to fill the space allocated
2009-01-08 12:04:47 +00:00
binfmt_misc.c
fs/binfmt_misc.c: add terminating newline to /proc/sys/fs/binfmt_misc/status
2009-01-06 15:59:19 -08:00
binfmt_script.c
Allow recursion in binfmt_script and binfmt_misc
2008-10-16 11:21:38 -07:00
binfmt_som.c
CRED: Make execve() take advantage of copy-on-write credentials
2008-11-14 10:39:24 +11:00
bio-integrity.c
block: add private bio_set for bio integrity allocations
2009-03-24 12:35:17 +01:00
bio.c
block: add private bio_set for bio integrity allocations
2009-03-24 12:35:17 +01:00
block_dev.c
fs: move bdev code out of buffer.c
2009-03-27 14:44:03 -04:00
buffer.c
fs: move bdev code out of buffer.c
2009-03-27 14:44:03 -04:00
char_dev.c
fs: fix name overwrite in __register_chrdev_region()
2009-01-06 15:59:13 -08:00
compat_binfmt_elf.c
…
compat_ioctl.c
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2009-03-01 21:35:16 -08:00
compat.c
New locking/refcounting for fs_struct
2009-03-31 23:00:26 -04:00
dcache.c
cleanup d_add_ci
2009-03-27 14:43:57 -04:00
dcookies.c
[CVE-2009-0029] System call wrapper special cases
2009-01-14 14:15:18 +01:00
direct-io.c
fs: truncate blocks outside i_size after O_DIRECT write error
2009-01-06 15:59:06 -08:00
drop_caches.c
fs: avoid I_NEW inodes
2009-03-27 14:44:05 -04:00
eventfd.c
[CVE-2009-0029] System call wrappers part 32
2009-01-14 14:15:31 +01:00
eventpoll.c
Rename struct file->f_ep_lock
2009-03-16 08:32:27 -06:00
exec.c
New locking/refcounting for fs_struct
2009-03-31 23:00:26 -04:00
fcntl.c
Fix a lockdep warning in fasync_helper()
2009-03-30 08:00:24 -06:00
fifo.c
[PATCH] introduce fmode_t, do annotations
2008-10-21 07:47:06 -04:00
file_table.c
Merge branch 'bkl-removal' of git://git.lwn.net/linux-2.6
2009-03-26 16:14:02 -07:00
file.c
[PATCH] merge locate_fd() and get_unused_fd()
2008-08-01 11:25:23 -04:00
filesystems.c
[CVE-2009-0029] System call wrappers part 27
2009-01-14 14:15:29 +01:00
fs_struct.c
New locking/refcounting for fs_struct
2009-03-31 23:00:26 -04:00
fs-writeback.c
fs: new inode i_state corruption fix
2009-03-12 16:20:24 -07:00
generic_acl.c
…
inode.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-03-27 16:23:12 -07:00
internal.h
New locking/refcounting for fs_struct
2009-03-31 23:00:26 -04:00
ioctl.c
Rationalize fasync return values
2009-03-16 08:34:35 -06:00
ioprio.c
[CVE-2009-0029] System call wrappers part 28
2009-01-14 14:15:30 +01:00
Kconfig
quota: Move quota files into separate directory
2009-03-26 02:18:35 +01:00
Kconfig.binfmt
CORE_DUMP_DEFAULT_ELF_HEADERS depends on ELF_CORE
2009-01-09 16:54:41 -08:00
libfs.c
vfs: simple_set_mnt() should return void
2009-03-27 14:44:03 -04:00
locks.c
[CVE-2009-0029] System call wrappers part 16
2009-01-14 14:15:25 +01:00
Makefile
Take fs_struct handling to new file (fs/fs_struct.c)
2009-03-31 23:00:26 -04:00
mbcache.c
…
mpage.c
do_mpage_readpage(): remove useless clear_buffer_mapped() call
2009-01-06 15:59:01 -08:00
namei.c
Take fs_struct handling to new file (fs/fs_struct.c)
2009-03-31 23:00:26 -04:00
namespace.c
Take fs_struct handling to new file (fs/fs_struct.c)
2009-03-31 23:00:26 -04:00
nfsctl.c
[CVE-2009-0029] System call wrappers part 27
2009-01-14 14:15:29 +01:00
no-block.c
…
open.c
vfs: Use lowercase names of quota functions
2009-03-26 02:18:35 +01:00
pipe.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-03-27 16:23:12 -07:00
pnode.c
…
pnode.h
…
posix_acl.c
CRED: Wrap task credential accesses in the filesystem subsystem
2008-11-14 10:39:05 +11:00
read_write.c
[CVE-2009-0029] System call wrappers part 20
2009-01-14 14:15:26 +01:00
read_write.h
…
readdir.c
[CVE-2009-0029] System call wrappers part 32
2009-01-14 14:15:31 +01:00
select.c
[CVE-2009-0029] System call wrappers part 32
2009-01-14 14:15:31 +01:00
seq_file.c
cpumask: fix seq_bitmap_*() functions.
2009-03-30 22:05:11 +10:30
signalfd.c
[CVE-2009-0029] System call wrappers part 31
2009-01-14 14:15:31 +01:00
splice.c
[CVE-2009-0029] System call wrappers part 31
2009-01-14 14:15:31 +01:00
stack.c
…
stat.c
[CVE-2009-0029] System call wrappers part 30
2009-01-14 14:15:30 +01:00
super.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-03-27 16:23:12 -07:00
sync.c
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-quota-2.6
2009-03-27 14:48:34 -07:00
timerfd.c
timerfd: add flags check
2009-02-18 15:37:53 -08:00
utimes.c
[CVE-2009-0029] System call wrappers part 30
2009-01-14 14:15:30 +01:00
xattr_acl.c
…
xattr.c
[CVE-2009-0029] System call wrappers part 13
2009-01-14 14:15:23 +01:00