[git pull] vfs, pile 1

[Al Viro]

	That pile is the first part of dealing with livelocks, etc. around
shrink_dcache_parent().

The following changes since commit 60cc43fc888428bb2f18f08997432d426a243338:

  Linux 4.17-rc1 (2018-04-15 18:24:20 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git work.dcache

for you to fetch changes up to 4fb48871409e2fcd375087d526d07f7600c88f94:

  restore cond_resched() in shrink_dcache_parent() (2018-04-19 23:58:48 -0400)

----------------------------------------------------------------
Al Viro (5):
      d_invalidate(): unhash immediately
      d_walk(): kill 'finish' callback
      dcache: move cond_resched() into the end of __dentry_kill()
      dput(): turn into explicit while() loop
      restore cond_resched() in shrink_dcache_parent()

 fs/dcache.c | 122 +++++++++++++++++++++---------------------------------------
 1 file changed, 43 insertions(+), 79 deletions(-)