[git pull] vfs.git trivial bits

[git pull] vfs.git trivial bits

[Al Viro]

	A few cleanups + Neil's namespace_unlock() optimization.
It's been in 3 branches (work.misc, misc.misc, work.iov_iter), but
IMO 3 pull requests for the sake of 4 commits unrelated to each
other is over the top...

The following changes since commit 78e1f386170798159a81fdbc5e131836fd808048:

  iov_iter: teach csum_and_copy_to_iter() to handle pipe-backed ones (2018-11-25 16:24:49 -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 e4f2283cc6ffefbe414317a0d89b602811b577ac:

  Merge branches 'misc.misc' and 'work.iov_iter' into for-linus (2019-01-04 14:02:59 -0500)

----------------------------------------------------------------
Al Viro (3):
      iov_iter: reduce code duplication
      genheaders: %-<width>s had been there since v6; %-*s - since v7
      Merge branches 'misc.misc' and 'work.iov_iter' into for-linus

Chanho Min (1):
      exec: make prepare_bprm_creds static

NeilBrown (1):
      VFS: use synchronize_rcu_expedited() in namespace_unlock()

 fs/exec.c                               |  2 +-
 fs/namespace.c                          |  2 +-
 include/linux/binfmts.h                 |  1 -
 lib/iov_iter.c                          | 54 ++++++++++++++++-----------------
 scripts/selinux/genheaders/genheaders.c | 29 ++++++------------
 5 files changed, 38 insertions(+), 50 deletions(-)