[git pull] vfs.git fixes

[Al Viro <viro@ZenIV.linux.org.uk>]

	* fix orangefs handling of faults on write() - I'd missed that one
back when orangefs was going through review.
	* readdir counterpart of "9p: cope with bogus responses from server
in p9_client_{read,write}" - server might be lying or broken, and we'd better
not overrun the kmalloc'ed buffer we are copying the results into.
	* NFS O_DIRECT read/write can leave iov_iter advanced by too much;
that's what had been causing iov_iter_pipe() warnings davej had been seeing.
	* statx_timestamp.tv_nsec type fix (s32 -> u32).  That one really
should go in before 4.11.

The following changes since commit 4f7d029b9bf009fbee76bb10c0c4351a1870d2f3:

  Linux 4.11-rc7 (2017-04-16 13:00:18 -0700)

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 1741937d475d91ed95abb37f07e8571e23b9a7fe:

  uapi: change the type of struct statx_timestamp.tv_nsec to unsigned (2017-04-26 21:19:05 -0400)

----------------------------------------------------------------
Al Viro (3):
      orangefs_bufmap_copy_from_iovec(): fix EFAULT handling
      p9_client_readdir() fix
      fix nfs O_DIRECT advancing iov_iter too much

Dmitry V. Levin (1):
      uapi: change the type of struct statx_timestamp.tv_nsec to unsigned

 fs/nfs/direct.c               | 27 ++++++++++++++++++---------
 fs/orangefs/orangefs-bufmap.c |  4 +---
 include/uapi/linux/stat.h     |  8 ++------
 net/9p/client.c               |  4 ++++
 4 files changed, 25 insertions(+), 18 deletions(-)