Jan Kara 7137c6bd45 aio: fix race between io_destroy() and io_submit() ... A race can occur when io_submit() races with io_destroy(): CPU1 CPU2 io_submit() do_io_submit() ... ctx = lookup_ioctx(ctx_id); io_destroy() Now do_io_submit() holds the last reference to ctx. ... queue new AIO put_ioctx(ctx) - frees ctx with active AIOs We solve this issue by checking whether ctx is being destroyed in AIO submission path after adding new AIO to ctx. Then we are guaranteed that either io_destroy() waits for new AIO or we see that ctx is being destroyed and bail out. Cc: Nick Piggin <npiggin@kernel.dk> Reviewed-by: Jeff Moyer <jmoyer@redhat.com> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2011-02-25 15:07:37 -08:00
..
9p
adfs
affs
afs	afs: Fix oops in afs_unlink_writeback	2011-02-25 11:12:37 -08:00
autofs4	autofs4: clean ->d_release() and autofs4_free_ino() up	2011-01-18 01:21:29 -05:00
befs
bfs
btrfs	Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable	2011-02-25 14:03:39 -08:00
cachefiles
ceph	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client	2011-02-21 15:01:38 -08:00
cifs	[CIFS] update cifs version	2011-02-21 22:31:47 +00:00
coda
configfs	configfs: change depends -> select SYSFS	2011-01-16 21:22:29 +00:00
cramfs
debugfs
devpts
dlm	dlm: use single thread workqueues	2011-02-11 16:50:47 -06:00
ecryptfs	eCryptfs: Copy up lower inode attrs in getattr	2011-02-21 14:46:36 -06:00
efs
exofs	Revert "exofs: Set i_mapping->backing_dev_info anyway"	2011-02-02 17:53:27 -08:00
exportfs
ext2
ext3	Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6	2011-01-21 07:33:37 -08:00
ext4	ext4: serialize unaligned asynchronous DIO	2011-02-12 08:17:34 -05:00
fat
freevxfs
fscache
fuse
gfs2	mm: prevent concurrent unmap_mapping_range() on the same inode	2011-02-23 19:52:52 -08:00
hfs
hfsplus	hfsplus: fix up a comparism in hfsplus_file_extend	2011-02-03 16:34:18 -07:00
hostfs
hpfs	hpfs_setattr error case avoids unlock_kernel	2011-01-17 05:11:37 -05:00
hppfs
hugetlbfs
isofs
jbd
jbd2	jbd2: call __jbd2_log_start_commit with j_state_lock write locked	2011-02-12 08:18:24 -05:00
jffs2	Merge git://git.infradead.org/mtd-2.6	2011-01-17 11:15:30 -08:00
jfs
lockd	NLM: Fix "kernel BUG at fs/lockd/host.c:417!" or ".../host.c:283!"	2011-01-25 15:24:47 -05:00
logfs
minix
ncpfs
nfs	NFS: NFSv4 readdir loses entries	2011-01-28 13:41:35 -05:00
nfs_common	NFS: Prevent memory allocation failure in nfsacl_encode()	2011-01-25 15:24:47 -05:00
nfsd	nfsd: correctly handle return value from nfsd_map_name_to_*	2011-02-16 18:31:05 -05:00
nilfs2	mm: prevent concurrent unmap_mapping_range() on the same inode	2011-02-23 19:52:52 -08:00
nls
notify
ntfs	NTFS: Fix invalid pointer dereference in ntfs_mft_record_alloc().	2011-01-31 12:58:11 +10:00
ocfs2	Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6	2011-01-21 07:33:37 -08:00
omfs
openpromfs
partitions	ldm: corrupted partition table can cause kernel oops	2011-02-25 15:07:36 -08:00
proc	s390: remove task_show_regs	2011-02-15 07:34:16 -08:00
qnx4
quota
ramfs
reiserfs	Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6	2011-01-21 07:33:37 -08:00
romfs
squashfs	squashfs: fix use of uninitialised variable in zlib & xz decompressors	2011-01-26 10:50:05 +10:00
sysfs	kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT	2011-01-20 17:02:05 -08:00
sysv
ubifs
udf
ufs
xfs	xfs: check if device support discard in xfs_ioc_trim()	2011-02-22 15:08:44 -06:00
aio.c	aio: fix race between io_destroy() and io_submit()	2011-02-25 15:07:37 -08:00
anon_inodes.c	sanitize vfsmount refcounting changes	2011-01-16 13:47:07 -05:00
attr.c
bad_inode.c
binfmt_aout.c
binfmt_elf.c
binfmt_elf_fdpic.c
binfmt_em86.c
binfmt_flat.c
binfmt_misc.c
binfmt_script.c
binfmt_som.c
bio-integrity.c
bio.c
block_dev.c	Merge branch 'for-linus' of git://neil.brown.name/md	2011-02-25 11:13:26 -08:00
buffer.c
char_dev.c
compat.c	compat: copy missing fields in compat_statfs64 to user	2011-01-17 04:54:38 -05:00
compat_binfmt_elf.c
compat_ioctl.c
dcache.c	fs: fix new dcache.c kernel-doc warnings	2011-01-22 20:32:38 -08:00
dcookies.c
direct-io.c	fs/direct-io.c: don't try to allocate more than BIO_MAX_PAGES in a bio	2011-01-20 17:02:05 -08:00
drop_caches.c
eventfd.c	Docbook: add fs/eventfd.c and fix typos in it	2011-02-21 15:07:04 -08:00
eventpoll.c	epoll: prevent creating circular epoll structures	2011-02-25 15:07:36 -08:00
exec.c	vfs: sparse: add __FMODE_EXEC	2011-02-02 16:03:19 -08:00
fcntl.c	vfs: sparse: add __FMODE_EXEC	2011-02-02 16:03:19 -08:00
fifo.c
file.c
file_table.c	CRED: Fix kernel panic upon security_file_alloc() failure.	2011-02-04 10:40:29 -08:00
filesystems.c
fs-writeback.c
fs_struct.c	sanitize vfsmount refcounting changes	2011-01-16 13:47:07 -05:00
generic_acl.c
inode.c	Merge branch 'for-linus' of git://neil.brown.name/md	2011-02-25 11:13:26 -08:00
internal.h	Fix over-zealous flush_disk when changing device size.	2011-02-24 17:25:47 +11:00
ioctl.c	fs: make block fiemap mapping length at least blocksize long	2011-02-02 16:03:20 -08:00
ioprio.c
Kconfig	kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT	2011-01-20 17:02:05 -08:00
Kconfig.binfmt
libfs.c
locks.c
Makefile
mbcache.c
mpage.c
namei.c	vfs: fix BUG_ON() in fs/namei.c:1461	2011-02-16 08:56:55 -08:00
namespace.c	Unlock vfsmount_lock in do_umount	2011-02-24 02:10:57 -05:00
nfsctl.c
no-block.c
open.c	Fix possible filp_cachep memory corruption	2011-02-11 15:53:38 -08:00
pipe.c	Fix broken "pipe: use event aware wakeups" optimization	2011-01-20 16:21:59 -08:00
pnode.c
pnode.h
posix_acl.c	NFS: Prevent memory allocation failure in nfsacl_encode()	2011-01-25 15:24:47 -05:00
read_write.c
read_write.h
readdir.c
select.c
seq_file.c
signalfd.c
splice.c
stack.c
stat.c
statfs.c
super.c	vfs: call rcu_barrier after ->kill_sb()	2011-02-11 16:12:19 -08:00
sync.c
timerfd.c
utimes.c
xattr.c
xattr_acl.c