Linus Torvalds 8f443e2372 Revert "ocfs2: incorrect check for debugfs returns" ... This reverts commit e2ac55b6a8. Huang Ying reports that this causes a hang at boot with debugfs disabled. It is true that the debugfs error checks are kind of confusing, and this code certainly merits more cleanup and thinking about it, but there's something wrong with the trivial "check not just for NULL, but for error pointers too" patch. Yes, with debugfs disabled, we will end up setting the o2hb_debug_dir pointer variable to an error pointer (-ENODEV), and then continue as if everything was fine. But since debugfs is disabled, all the _users_ of that pointer end up being compiled away, so even though the pointer can not be dereferenced, that's still fine. So it's confusing and somewhat questionable, but the "more correct" error checks end up causing more trouble than they fix. Reported-by: Huang Ying <ying.huang@intel.com> Acked-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Chengyu Song <csong84@gatech.edu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2015-04-21 09:17:28 -07:00
..
9p	9p: patches for 4.1 merge window	2015-04-18 17:45:30 -04:00
adfs	adfs: return correct return values	2015-04-17 09:04:08 -04:00
affs	Merge branch 'akpm' (patches from Andrew)	2015-04-17 09:04:38 -04:00
afs	make new_sync_{read,write}() static	2015-04-11 22:29:40 -04:00
autofs4	autofs: switch to __vfs_write()	2015-04-11 22:29:37 -04:00
befs	befs: replace typedef befs_inode_info by structure	2015-04-17 09:04:03 -04:00
bfs	bfs: correct return values	2015-04-17 09:04:09 -04:00
btrfs	mirror O_APPEND and O_DIRECT into iocb->ki_flags	2015-04-11 22:30:22 -04:00
cachefiles	Cachefiles: Fix up scripted S_ISDIR/S_ISREG/S_ISLNK conversions	2015-02-22 11:38:41 -05:00
ceph	mirror O_APPEND and O_DIRECT into iocb->ki_flags	2015-04-11 22:30:22 -04:00
cifs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-04-16 23:27:56 -04:00
coda	make new_sync_{read,write}() static	2015-04-11 22:29:40 -04:00
configfs	configfs: Fix inconsistent use of file_inode() vs file->f_path.dentry->d_inode	2015-04-15 15:05:31 -04:00
cramfs
debugfs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-04-16 23:27:56 -04:00
devpts
dlm
ecryptfs	make new_sync_{read,write}() static	2015-04-11 22:29:40 -04:00
efivarfs	* Move efivarfs from the misc filesystem section to pseudo filesystem,	2015-01-29 19:16:40 +01:00
efs
exofs	direct_IO: remove rw from a_ops->direct_IO()	2015-04-11 22:29:45 -04:00
exportfs	VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)	2015-02-22 11:38:41 -05:00
ext2	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-04-16 23:27:56 -04:00
ext3	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-04-16 23:27:56 -04:00
ext4	A few bug fixes and add support for file-system level encryption in ext4.	2015-04-19 14:26:31 -07:00
f2fs	Merge tag 'for-f2fs-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs	2015-04-18 11:17:20 -04:00
fat	Merge branch 'akpm' (patches from Andrew)	2015-04-17 09:04:38 -04:00
freevxfs
fscache
fuse	mirror O_APPEND and O_DIRECT into iocb->ki_flags	2015-04-11 22:30:22 -04:00
gfs2	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-04-16 23:27:56 -04:00
hfs	Merge branch 'akpm' (patches from Andrew)	2015-04-17 09:04:38 -04:00
hfsplus	Merge branch 'akpm' (patches from Andrew)	2015-04-17 09:04:38 -04:00
hostfs	Merge tag 'for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml	2015-04-15 13:49:27 -07:00
hpfs	make new_sync_{read,write}() static	2015-04-11 22:29:40 -04:00
hppfs	VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)	2015-02-22 11:38:41 -05:00
hugetlbfs	Merge branch 'akpm' (patches from Andrew)	2015-04-15 16:39:15 -07:00
isofs
jbd
jbd2
jffs2	Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-04-15 13:22:56 -07:00
jfs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-04-16 23:27:56 -04:00
kernfs	kernfs: handle poll correctly on 'direct_read' files.	2015-03-16 21:51:20 +01:00
lockd	Merge branch 'for-3.20' of git://linux-nfs.org/~bfields/linux	2015-02-12 10:39:41 -08:00
logfs	make new_sync_{read,write}() static	2015-04-11 22:29:40 -04:00
minix	make new_sync_{read,write}() static	2015-04-11 22:29:40 -04:00
ncpfs	switch generic_write_checks() to iocb and iter	2015-04-11 22:30:21 -04:00
nfs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-04-16 23:27:56 -04:00
nfs_common
nfsd	Merge branch 'akpm' (patches from Andrew)	2015-04-15 16:39:15 -07:00
nilfs2	Merge branch 'akpm' (patches from Andrew)	2015-04-17 09:04:38 -04:00
nls
notify	fanotify: fix event filtering with FAN_ONDIR set	2015-03-12 18:46:08 -07:00
ntfs	switch generic_write_checks() to iocb and iter	2015-04-11 22:30:21 -04:00
ocfs2	Revert "ocfs2: incorrect check for debugfs returns"	2015-04-21 09:17:28 -07:00
omfs	make new_sync_{read,write}() static	2015-04-11 22:29:40 -04:00
openpromfs
overlayfs	ovl: upper fs should not be R/O	2015-03-18 10:29:48 +01:00
proc	proc: show locks in /proc/pid/fdinfo/X	2015-04-17 09:04:12 -04:00
pstore	powerpc updates for 4.1	2015-04-16 13:53:32 -05:00
qnx4
qnx6
quota	vfs: Add general support to enforce project quota limits	2015-03-18 21:55:08 +01:00
ramfs	make new_sync_{read,write}() static	2015-04-11 22:29:40 -04:00
reiserfs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-04-16 23:27:56 -04:00
romfs	make new_sync_{read,write}() static	2015-04-11 22:29:40 -04:00
squashfs
sysfs	sysfs: Only accept read/write permissions for file attributes	2015-03-25 13:27:57 +01:00
sysv	make new_sync_{read,write}() static	2015-04-11 22:29:40 -04:00
tracefs	tracing: Have mkdir and rmdir be part of tracefs	2015-02-03 12:48:43 -05:00
ubifs	This pull request includes the following UBI/UBIFS changes:	2015-04-15 13:43:40 -07:00
udf	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-04-16 23:27:56 -04:00
ufs	make new_sync_{read,write}() static	2015-04-11 22:29:40 -04:00
xfs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-04-16 23:27:56 -04:00
aio.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-04-16 23:27:56 -04:00
anon_inodes.c
attr.c
bad_inode.c	don't bother with most of the bad_file_ops methods	2015-02-20 04:03:58 -05:00
binfmt_aout.c
binfmt_elf_fdpic.c
binfmt_elf.c	mm: fold arch_randomize_brk into ARCH_HAS_ELF_RANDOMIZE	2015-04-14 16:49:05 -07:00
binfmt_em86.c
binfmt_flat.c
binfmt_misc.c	fs/binfmt_misc.c: simplify entry_status()	2015-04-17 09:03:59 -04:00
binfmt_script.c
block_dev.c	blkdev_write_iter: expand generic_file_checks() call in there	2015-04-11 22:29:48 -04:00
buffer.c	page_writeback: clean up mess around cancel_dirty_page()	2015-04-14 16:49:01 -07:00
char_dev.c	fs: introduce f_op->mmap_capabilities for nommu mmap support	2015-01-20 14:02:58 -07:00
compat_binfmt_elf.c
compat_ioctl.c	Bluetooth: bnep: Add support for get bnep features via ioctl	2015-04-03 23:21:34 +02:00
compat.c
coredump.c	coredump: accept any write method	2015-04-11 22:29:39 -04:00
dax.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-04-16 23:27:56 -04:00
dcache.c	VFS: Impose ordering on accesses of d_inode and d_flags	2015-04-15 15:05:28 -04:00
dcookies.c
direct-io.c	Remove rw from {,__,do_}blockdev_direct_IO()	2015-04-11 22:29:44 -04:00
drop_caches.c	vmscan: per memory cgroup slab shrinkers	2015-02-12 18:54:09 -08:00
eventfd.c	eventfd: don't take the spinlock in eventfd_poll	2015-02-17 14:34:52 -08:00
eventpoll.c	epoll: optimize setting task running after blocking	2015-02-13 21:21:40 -08:00
exec.c	fs: take i_mutex during prepare_binprm for set[ug]id executables	2015-04-19 13:46:21 -07:00
fcntl.c
fhandle.c
file_table.c	->aio_read and ->aio_write removed	2015-04-11 22:29:43 -04:00
file.c	mm: rcu-protected get_mm_exe_file()	2015-04-17 09:04:07 -04:00
filesystems.c
fs_pin.c	fs_pin: Allow for the possibility that m_list or s_list go unused.	2015-04-09 11:39:55 -05:00
fs_struct.c
fs-writeback.c	fs: add dirtytime_expire_seconds sysctl	2015-03-17 12:23:32 -04:00
inode.c	Merge branch 'lazytime' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-02-17 16:12:34 -08:00
internal.h	trylock_super(): replacement for grab_super_passive()	2015-02-22 11:38:42 -05:00
ioctl.c	fsioctl.c: make generic_block_fiemap() signal-tolerant	2015-02-10 14:30:30 -08:00
Kconfig	f2fs: relocate Kconfig from misc filesystems	2015-04-10 15:08:35 -07:00
Kconfig.binfmt	mm: split ET_DYN ASLR from mmap ASLR	2015-04-14 16:49:05 -07:00
libfs.c	VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)	2015-02-22 11:38:41 -05:00
locks.c	proc: show locks in /proc/pid/fdinfo/X	2015-04-17 09:04:12 -04:00
Makefile	This adds the new tracefs file system. This has been in linux-next for	2015-04-14 10:22:29 -07:00
mbcache.c
mount.h	switch the IO-triggering parts of umount to fs_pin	2015-01-25 23:17:29 -05:00
mpage.c
namei.c	VFS: Make pathwalk use d_is_reg() rather than S_ISREG()	2015-04-15 15:05:30 -04:00
namespace.c	mnt: Update detach_mounts to leave mounts connected	2015-04-09 11:39:57 -05:00
no-block.c
nsfs.c
open.c	->aio_read and ->aio_write removed	2015-04-11 22:29:43 -04:00
pipe.c	make new_sync_{read,write}() static	2015-04-11 22:29:40 -04:00
pnode.c	mnt: Don't propagate unmounts to locked mounts	2015-04-02 20:34:20 -05:00
pnode.h	mnt: Honor MNT_LOCKED when detaching mounts	2015-04-09 11:39:55 -05:00
posix_acl.c	VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)	2015-02-22 11:38:41 -05:00
proc_namespace.c	vfs: add support for a lazytime mount option	2015-02-05 02:45:00 -05:00
read_write.c	new_sync_write(): discard ->ki_pos unless the return value is positive	2015-04-11 22:29:46 -04:00
readdir.c
select.c	all arches, signal: move restart_block to struct task_struct	2015-02-12 18:54:12 -08:00
seq_file.c	bitmap, cpumask, nodemask: remove dedicated formatting functions	2015-02-13 21:21:39 -08:00
signalfd.c
splice.c	dax: unify ext2/4_{dax,}_file_operations	2015-04-15 16:35:20 -07:00
stack.c
stat.c	switch security_inode_getattr() to struct path *	2015-04-11 22:24:32 -04:00
statfs.c
super.c	cleancache: remove limit on the number of cleancache enabled filesystems	2015-04-14 16:49:03 -07:00
sync.c	vfs: add support for a lazytime mount option	2015-02-05 02:45:00 -05:00
timerfd.c
utimes.c
xattr.c