Miklos Szeredi c568d68341 locks: fix file locking on overlayfs ... This patch allows flock, posix locks, ofd locks and leases to work correctly on overlayfs. Instead of using the underlying inode for storing lock context use the overlay inode. This allows locks to be persistent across copy-up. This is done by introducing locks_inode() helper and using it instead of file_inode() to get the inode in locking code. For non-overlayfs the two are equivalent, except for an extra pointer dereference in locks_inode(). Since lock operations are in "struct file_operations" we must also make sure not to call underlying filesystem's lock operations. Introcude a super block flag MS_NOREMOTELOCK to this effect. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> Acked-by: Jeff Layton <jlayton@poochiereds.net> Cc: "J. Bruce Fields" <bfields@fieldses.org>		2016-09-16 12:44:20 +02:00
..
9p	Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-07 10:01:14 -04:00
adfs	Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-07 10:01:14 -04:00
affs	get rid of 'parent' argument of ->d_compare()	2016-07-31 16:37:25 -04:00
afs	rxrpc: Fix races between skb free, ACK generation and replying	2016-08-06 00:08:40 -04:00
autofs4	Merge branch 'work.const-qstr' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-06 09:49:02 -04:00
befs
bfs
btrfs	Merge branch 'for-linus-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs	2016-09-09 12:52:31 -07:00
cachefiles	cachefiles: Fix race between inactivating and culling a cache object	2016-08-03 13:33:26 -04:00
ceph	ceph: do not modify fi->frag in need_reset_readdir()	2016-09-05 14:30:35 +02:00
cifs	get rid of 'parent' argument of ->d_compare()	2016-07-31 16:37:25 -04:00
coda
configfs
cramfs
crypto	fscrypto: require write access to mount to set encryption policy	2016-09-10 01:18:57 -04:00
debugfs
devpts	devpts: return NULL pts 'priv' entry for non-devpts nodes	2016-09-03 11:02:50 -07:00
dlm	dlm: fix malfunction of dlm_tool caused by debugfs changes	2016-08-26 13:22:14 -05:00
ecryptfs
efivarfs	get rid of 'parent' argument of ->d_compare()	2016-07-31 16:37:25 -04:00
efs
exofs
exportfs
ext2	Merge branch 'work.const-qstr' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-06 09:49:02 -04:00
ext4	fscrypto: require write access to mount to set encryption policy	2016-09-10 01:18:57 -04:00
f2fs	fscrypto: require write access to mount to set encryption policy	2016-09-10 01:18:57 -04:00
fat	Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-07 10:01:14 -04:00
freevxfs
fscache
fuse	fuse: direct-io: don't dirty ITER_BVEC pages	2016-08-24 18:17:04 +02:00
gfs2	fs: return EPERM on immutable inode	2016-08-07 10:03:31 -04:00
hfs	Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-07 10:01:14 -04:00
hfsplus	Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-07 10:01:14 -04:00
hostfs	hostfs: Freeing an ERR_PTR in hostfs_fill_sb_common()	2016-08-04 00:18:10 +02:00
hpfs	get rid of 'parent' argument of ->d_compare()	2016-07-31 16:37:25 -04:00
hugetlbfs
isofs	get rid of 'parent' argument of ->d_compare()	2016-07-31 16:37:25 -04:00
jbd2	The major change this cycle is deleting ext4's copy of the file system	2016-07-26 18:35:55 -07:00
jffs2
jfs	get rid of 'parent' argument of ->d_compare()	2016-07-31 16:37:25 -04:00
kernfs	kernfs: don't depend on d_find_any_alias() when generating notifications	2016-08-31 14:48:52 +02:00
lockd	Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-07-28 12:59:05 -07:00
logfs	Merge branch 'work.const-qstr' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-06 09:49:02 -04:00
minix
ncpfs	get rid of 'parent' argument of ->d_compare()	2016-07-31 16:37:25 -04:00
nfs	NFSv4.x: Fix a refcount leak in nfs_callback_up_net	2016-08-30 09:26:57 -04:00
nfs_common
nfsd	nfsd: don't return an unhashed lock stateid after taking mutex	2016-08-12 16:10:25 -04:00
nilfs2	nilfs2: move ioctl interface and disk layout to uapi separately	2016-08-02 19:35:21 -04:00
nls
notify
ntfs	Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-07-28 12:59:05 -07:00
ocfs2	Merge branch 'work.const-qstr' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-06 09:49:02 -04:00
omfs
openpromfs
orangefs	orangefs: Account for jiffies wraparound.	2016-08-02 15:39:13 -04:00
overlayfs	locks: fix file locking on overlayfs	2016-09-16 12:44:20 +02:00
proc	Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm	2016-09-10 09:58:52 -07:00
pstore	ramoops: use persistent_ram_free() instead of kfree() for freeing prz	2016-08-05 11:21:46 -07:00
qnx4
qnx6
quota	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2016-07-29 15:54:19 -07:00
ramfs
reiserfs	reiserfs: fix "new_insert_key may be used uninitialized ..."	2016-08-02 19:35:22 -04:00
romfs
squashfs
sysfs	sysfs: correctly handle read offset on PREALLOC attrs	2016-08-31 15:14:44 +02:00
sysv
tracefs
ubifs	ubifs: Fix xattr generic handler usage	2016-08-23 23:02:52 +02:00
udf	Merge branch 'for-4.8/drivers' of git://git.kernel.dk/linux-block	2016-07-26 15:37:51 -07:00
ufs	Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-07-28 12:59:05 -07:00
xfs	xfs: track log done items directly in the deferred pending work item	2016-08-30 13:51:39 +10:00
aio.c
anon_inodes.c
attr.c	vfs: move permission checking into notify_change() for utimes(NULL)	2016-09-16 12:44:20 +02:00
bad_inode.c
binfmt_aout.c
binfmt_elf_fdpic.c	elf_fdpic_transfer_args_to_stack(): make it generic	2016-07-25 16:51:49 +10:00
binfmt_elf.c	binfmt_elf: switch to new creds when switching to new mm	2016-08-31 09:13:56 -07:00
binfmt_em86.c	fs/binfmt_em86.c: fix incompatible pointer type	2016-08-02 19:35:15 -04:00
binfmt_flat.c	binfmt_flat: allow compressed flat binary format to work on MMU systems	2016-07-28 13:29:12 +10:00
binfmt_misc.c	binfmt_misc for-linus on 20160727	2016-08-07 10:13:14 -04:00
binfmt_script.c
block_dev.c	fs/block_dev: fix potential NULL ptr deref in freeze_bdev()	2016-08-25 08:38:26 -06:00
buffer.c	xfs: update for 4.8-rc1	2016-07-27 09:53:35 -07:00
char_dev.c
compat_binfmt_elf.c
compat_ioctl.c
compat.c
coredump.c
dax.c	libnvdimm for 4.8	2016-07-28 17:38:16 -07:00
dcache.c	Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-07 10:01:14 -04:00
dcookies.c
direct-io.c
drop_caches.c
eventfd.c
eventpoll.c
exec.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu	2016-08-04 18:04:44 -04:00
fcntl.c
fhandle.c
file_table.c
file.c
filesystems.c
fs_pin.c
fs_struct.c
fs-writeback.c	mm, writeback: flush plugged IO in wakeup_flusher_threads()	2016-08-09 19:58:06 -06:00
inode.c	vfs: update ovl inode before relatime check	2016-09-16 12:44:20 +02:00
internal.h	vfs: update ovl inode before relatime check	2016-09-16 12:44:20 +02:00
ioctl.c	vfs: ioctl: prevent double-fetch in dedupe ioctl	2016-07-28 15:23:12 -07:00
iomap.c	iomap: don't set FIEMAP_EXTENT_MERGED for extent based filesystems	2016-08-29 11:33:58 +10:00
Kconfig	Highlights:	2016-08-04 19:59:06 -04:00
Kconfig.binfmt	m68k: enable binfmt_flat on systems with an MMU	2016-07-28 13:29:13 +10:00
libfs.c
locks.c	locks: fix file locking on overlayfs	2016-09-16 12:44:20 +02:00
Makefile
mbcache.c
mount.h
mpage.c	block/mm: make bdev_ops->rw_page() take a bool for read/write	2016-08-07 14:41:02 -06:00
namei.c	vfs: update ovl inode before relatime check	2016-09-16 12:44:20 +02:00
namespace.c	locks: fix file locking on overlayfs	2016-09-16 12:44:20 +02:00
no-block.c
nsfs.c
open.c	locks: fix file locking on overlayfs	2016-09-16 12:44:20 +02:00
pipe.c	mm: memcontrol: only mark charged pages with PageKmemcg	2016-08-09 10:14:10 -07:00
pnode.c
pnode.h
posix_acl.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2016-07-29 15:54:19 -07:00
proc_namespace.c
read_write.c
readdir.c
select.c
seq_file.c	fs/seq_file: fix out-of-bounds read	2016-08-26 17:39:35 -07:00
signalfd.c
splice.c
stack.c
stat.c
statfs.c
super.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2016-07-29 15:54:19 -07:00
sync.c
timerfd.c
userfaultfd.c	mm: introduce fault_env	2016-07-26 16:19:19 -07:00
utimes.c	vfs: move permission checking into notify_change() for utimes(NULL)	2016-09-16 12:44:20 +02:00
xattr.c