[git pull] vfs fixes

[Al Viro]

The following changes since commit 7ae8fd0351f912b075149a1e03a017be8b903b9a:

  fs/pnode.c: treat zero mnt_group_id-s as unequal (2016-02-20 00:15:52 -0500)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git for-linus

for you to fetch changes up to 5129fa482b16615fd4464d2f5d23acb1b7056c66:

  do_last(): ELOOP failure exit should be done after leaving RCU mode (2016-02-27 19:37:37 -0500)

----------------------------------------------------------------
Al Viro (4):
      do_last(): don't let a bogus return value from ->open() et.al. to confuse us
      namei: ->d_inode of a pinned dentry is stable only for positives
      should_follow_link(): validate ->d_seq after having decided to follow
      do_last(): ELOOP failure exit should be done after leaving RCU mode

Christoph Hellwig (1):
      fs: return -EOPNOTSUPP if clone is not supported

Mikulas Patocka (1):
      hpfs: don't truncate the file when delete fails

 fs/hpfs/namei.c | 31 +++----------------------------
 fs/namei.c      | 22 +++++++++++++++-------
 fs/read_write.c |  6 ++++--
 3 files changed, 22 insertions(+), 37 deletions(-)