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Linus Torvalds 20d00ee829 Revert "vfs: add lookup_hash() helper" 
This reverts commit 3c9fe8cdff.

As Miklos points out in commit c1b2cc1a76, the "lookup_hash()" helper
is now unused, and in fact, with the hash salting changes, since the
hash of a dentry name now depends on the directory dentry it is in, the
helper function isn't even really likely to be useful.

So rather than keep it around in case somebody else might end up finding
a use for it, let's just remove the helper and not trick people into
thinking it might be a useful thing.

For example, I had obviously completely missed how the helper didn't
follow the normal dentry hashing patterns, and how the hash salting
patch broke overlayfs.  Things would quietly build and look sane, but
not work.

Suggested-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-07-29 12:17:52 -07:00
..
9p Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-07-28 12:59:05 -07:00
adfs vfs: make the string hashes salt the hash 2016-06-10 20:21:46 -07:00
affs vfs: make the string hashes salt the hash 2016-06-10 20:21:46 -07:00
afs rxrpc: Limit the listening backlog 2016-06-10 18:14:47 -07:00
autofs4 Merge branch 'salted-string-hash' 2016-07-28 12:26:31 -07:00
befs fs/befs/io.c:befs_bread(): remove unneeded initialization to NULL 2016-05-23 17:04:14 -07:00
bfs
btrfs Merge branch 'akpm' (patches from Andrew) 2016-07-26 19:55:54 -07:00
cachefiles Merge branch 'd_real' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs into work.misc 2016-06-30 23:34:49 -04:00
ceph Merge branch 'salted-string-hash' 2016-07-28 12:26:31 -07:00
cifs Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6 2016-07-29 11:29:13 -07:00
coda drop redundant ->owner initializations 2016-05-29 19:08:00 -04:00
configfs configfs: don't set buffer_needs_fill to zero if show() returns error 2016-07-10 21:02:18 +09:00
cramfs
crypto block, fs, mm, drivers: use bio set/get op accessors 2016-06-07 13:41:38 -06:00
debugfs Merge branch 'd_real' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs into work.misc 2016-06-30 23:34:49 -04:00
devpts devpts: Make each mount of devpts an independent filesystem. 2016-06-05 10:36:01 -07:00
dlm dlm: Use kmemdup instead of kmalloc and memcpy 2016-06-23 11:55:58 -05:00
ecryptfs ecryptfs: don't allow mmap when the lower fs doesn't support it 2016-07-08 10:35:28 -05:00
efivarfs vfs: make the string hashes salt the hash 2016-06-10 20:21:46 -07:00
efs fs/efs/super.c: fix return value 2016-05-20 17:58:30 -07:00
exofs block, fs, mm, drivers: use bio set/get op accessors 2016-06-07 13:41:38 -06:00
exportfs
ext2 Merge branch 'akpm' (patches from Andrew) 2016-07-26 19:55:54 -07:00
ext4 Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-07-28 12:59:05 -07:00
f2fs Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-07-28 12:59:05 -07:00
fat Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2016-07-28 14:22:25 -07:00
freevxfs freevxfs: update Kconfig information 2016-06-13 10:20:39 +02:00
fscache Merge branch 'd_real' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs into work.misc 2016-06-30 23:34:49 -04:00
fuse Merge branch 'akpm' (patches from Andrew) 2016-07-28 16:36:48 -07:00
gfs2 Merge branch 'for-4.8/drivers' of git://git.kernel.dk/linux-block 2016-07-26 15:37:51 -07:00
hfs Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-07-28 12:59:05 -07:00
hfsplus Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-07-28 12:59:05 -07:00
hostfs
hpfs vfs: make the string hashes salt the hash 2016-06-10 20:21:46 -07:00
hugetlbfs
isofs Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-07-28 12:59:05 -07:00
jbd2 The major change this cycle is deleting ext4's copy of the file system 2016-07-26 18:35:55 -07:00
jffs2 vfs: make the string hashes salt the hash 2016-06-10 20:21:46 -07:00
jfs Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-07-28 12:59:05 -07:00
kernfs vfs: make the string hashes salt the hash 2016-06-10 20:21:46 -07:00
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 'salted-string-hash' 2016-07-28 12:26:31 -07:00
minix
ncpfs vfs: make the string hashes salt the hash 2016-06-10 20:21:46 -07:00
nfs This is mostly clean ups and small fixes. Some of the more visible 2016-07-28 18:20:09 -07:00
nfs_common
nfsd Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-07-28 12:59:05 -07:00
nilfs2 Merge branch 'for-4.8/core' of git://git.kernel.dk/linux-block 2016-07-26 15:03:07 -07:00
nls
notify fsnotify: avoid spurious EMFILE errors from inotify_init() 2016-05-19 19:12:14 -07:00
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 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2016-07-28 14:22:25 -07:00
omfs
openpromfs
orangefs Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-07-28 12:59:05 -07:00
overlayfs ovl: simplify empty checking 2016-07-29 12:05:25 +02:00
proc Merge branch 'akpm' (patches from Andrew) 2016-07-28 16:36:48 -07:00
pstore pstore/ram: add Device Tree bindings 2016-06-14 11:34:39 -07:00
qnx4
qnx6
quota quota: use time64_t internally 2016-06-19 18:09:31 +02:00
ramfs tmpfs/ramfs: fix VM_MAYSHARE mappings for NOMMU 2016-05-20 17:58:30 -07:00
reiserfs Merge branch 'for-4.8/drivers' of git://git.kernel.dk/linux-block 2016-07-26 15:37:51 -07:00
romfs
squashfs fs: have ll_rw_block users pass in op and flags separately 2016-06-07 13:41:38 -06:00
sysfs
sysv vfs: make the string hashes salt the hash 2016-06-10 20:21:46 -07:00
tracefs tracefs: ->d_parent is never NULL or negative... 2016-05-29 16:22:07 -04:00
ubifs UBIFS: Implement ->migratepage() 2016-06-23 00:29:53 +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 Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-07-28 12:59:05 -07:00
aio.c aio: make aio_setup_ring killable 2016-05-23 17:04:14 -07:00
anon_inodes.c
attr.c
bad_inode.c switch ->setxattr() to passing dentry and inode separately 2016-05-27 20:09:16 -04:00
binfmt_aout.c fs: fix binfmt_aout.c build error 2016-05-28 16:34:59 -07:00
binfmt_elf.c coredump: fix dumping through pipes 2016-06-07 22:07:09 -04:00
binfmt_elf_fdpic.c coredump: fix dumping through pipes 2016-06-07 22:07:09 -04:00
binfmt_em86.c
binfmt_flat.c remove lots of IS_ERR_VALUE abuses 2016-05-27 15:26:11 -07:00
binfmt_misc.c binfmt_misc: ->s_root is not going anywhere 2016-05-29 19:14:03 -04:00
binfmt_script.c
block_dev.c Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-07-28 12:59:05 -07:00
buffer.c xfs: update for 4.8-rc1 2016-07-27 09:53:35 -07:00
char_dev.c chardev: add missing line break in pr_warn 2016-07-14 16:21:53 +09:00
compat.c Fix a number of bugs, most notably a potential stale data exposure 2016-05-24 12:55:26 -07:00
compat_binfmt_elf.c
compat_ioctl.c [media] cec: add compat32 ioctl support 2016-06-28 10:00:13 -03:00
coredump.c coredump: fix dumping through pipes 2016-06-07 22:07:09 -04:00
dax.c libnvdimm for 4.8 2016-07-28 17:38:16 -07:00
dcache.c Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-07-28 12:59:05 -07:00
dcookies.c
direct-io.c direct-io: use bio set/get op accessors 2016-06-07 13:41:38 -06:00
drop_caches.c
eventfd.c
eventpoll.c fs: poll/select/recvmmsg: use timespec64 for timeout events 2016-05-19 19:12:14 -07:00
exec.c exec: make exec path waiting for mmap_sem killable 2016-05-23 17:04:14 -07:00
fcntl.c
fhandle.c
file.c
file_table.c
filesystems.c
fs-writeback.c mm: move most file-based accounting to the node 2016-07-28 16:07:41 -07:00
fs_pin.c
fs_struct.c
inode.c fs/fs-writeback.c: add a new writeback list for sync 2016-07-26 16:19:19 -07:00
internal.h xfs: update for 4.8-rc1 2016-07-27 09:53:35 -07:00
ioctl.c vfs: ioctl: prevent double-fetch in dedupe ioctl 2016-07-28 15:23:12 -07:00
iomap.c fs: iomap based fiemap implementation 2016-06-21 09:38:45 +10:00
Kconfig fs: introduce iomap infrastructure 2016-06-21 09:23:11 +10:00
Kconfig.binfmt ELF/MIPS build fix 2016-05-23 17:04:14 -07:00
libfs.c lockless next_positive() 2016-06-20 17:11:29 -04:00
locks.c locks: use file_inode() 2016-07-01 10:24:18 -04:00
Makefile fs: introduce iomap infrastructure 2016-06-21 09:23:11 +10:00
mbcache.c
mount.h
mpage.c Merge branch 'akpm' (patches from Andrew) 2016-07-26 19:55:54 -07:00
namei.c Revert "vfs: add lookup_hash() helper" 2016-07-29 12:17:52 -07:00
namespace.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-07-01 15:20:11 -07:00
no-block.c
nsfs.c
open.c vfs: merge .d_select_inode() into .d_real() 2016-06-30 08:53:27 +02:00
pipe.c pipe: account to kmemcg 2016-07-26 16:19:19 -07:00
pnode.c
pnode.h
posix_acl.c posix_acl: Add set_posix_acl 2016-06-24 12:11:34 -04:00
proc_namespace.c
read_write.c x86/syscalls: Add compat_sys_preadv64v2/compat_sys_pwritev64v2 2016-07-15 10:30:26 +02:00
readdir.c restore killability of old mutex_lock_killable(&inode->i_mutex) users 2016-05-26 00:13:25 -04:00
select.c fs: poll/select/recvmmsg: use timespec64 for timeout events 2016-05-19 19:12:14 -07:00
seq_file.c
signalfd.c
splice.c
stack.c
stat.c
statfs.c
super.c fs/fs-writeback.c: add a new writeback list for sync 2016-07-26 16:19:19 -07:00
sync.c
timerfd.c timerfd: Reject ALARM timerfds without CAP_WAKE_ALARM 2016-06-09 23:42:38 +02:00
userfaultfd.c mm: introduce fault_env 2016-07-26 16:19:19 -07:00
utimes.c
xattr.c switch ->setxattr() to passing dentry and inode separately 2016-05-27 20:09:16 -04:00