[git pull] vfs.git#work.lookups fixups

[Al Viro]

Fix for xfs parallel readdir (turns out the cxfs exposure was not enough
to catch all problems), reversion of btrfs back to ->iterate() until
the fs/btrfs/delayed-inode.c gets fixed.

The following changes since commit ae05327a00fd47c34dfe25294b359a3f3fef96e8:

  ext4: switch to ->iterate_shared() (2016-05-12 20:36:01 -0400)

are available in the git repository at:

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

for you to fetch changes up to 9f5418010940236b2c39ea53b99055ca26ff1279:

  xfs: concurrent readdir hangs on data buffer locks (2016-05-18 13:20:21 -0400)

----------------------------------------------------------------
Al Viro (1):
      Revert "btrfs: switch to ->iterate_shared()"

Dave Chinner (1):
      xfs: concurrent readdir hangs on data buffer locks

 fs/btrfs/inode.c          |  2 +-
 fs/xfs/xfs_dir2_readdir.c | 23 ++++++++++++++---------
 2 files changed, 15 insertions(+), 10 deletions(-)