Pull shmem rename fixes from Al Viro:
"A couple of shmem rename fixes - recent regression from tree-in-dcache
series and older breakage from stable directory offsets stuff"
* tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
shmem: fix recovery on rename failures
shmem_whiteout(): fix regression from tree-in-dcache series