[git pull] autofs-related stuff

[Al Viro]

	The most interesting part here is getting rid of the last trylock
loop on dentry->d_lock - the ones in fs/dcache.c had been dealt with
several years ago, but there'd been leftovers in fs/autofs/expire.c

The following changes since commit 5f9e832c137075045d15cd6899ab0505cfb2ca4b:

  Linus 5.3-rc1 (2019-07-21 14:05:38 -0700)

are available in the git repository at:

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

for you to fetch changes up to 5f68056ca50fdd3954a93ae66fea7452abddb66f:

  autofs_lookup(): hold ->d_lock over playing with ->d_flags (2019-07-27 10:03:14 -0400)

----------------------------------------------------------------
Al Viro (3):
      autofs: simplify get_next_positive_...(), get rid of trylocks
      get rid of autofs_info->active_count
      autofs_lookup(): hold ->d_lock over playing with ->d_flags

 fs/autofs/autofs_i.h |   1 -
 fs/autofs/expire.c   | 103 ++++++++++++++++-----------------------------------
 fs/autofs/root.c     |  44 ++++++----------------
 3 files changed, 44 insertions(+), 104 deletions(-)