Pull misc vfs updates from Al Viro:
"Assorted patches from previous cycle(s)..."
* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fix hostfs_open() use of ->f_path.dentry
Make sure that make_create_in_sticky() never sees uninitialized value of dir_mode
fs: Kill DCACHE_DONTCACHE dentry even if DCACHE_REFERENCED is set
fs: Handle I_DONTCACHE in iput_final() instead of generic_drop_inode()
fs/namespace.c: WARN if mnt_count has become negative
7bb5226c8a