[git pull] vfs.git pile 12 - work.read_write bugfix

[Al Viro <viro@xxxxxxxxxxxxxxxxxx>]

file_start_write()/file_end_write() got mixed into vfs_iter_write() by
accident; that's a deadlock for all existing callers - they already
do that, some - quite a bit outside.  Easily fixed, fortunately

The following changes since commit a4058c5bce8aded1a12a59990e84e481a96fb490:

  nfsd: remove nfsd_vfs_read (2017-06-29 17:49:24 -0400)

are available in the git repository at:

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

for you to fetch changes up to 62473a2d6f513296e896b64ccfd7ceb7b963795e:

  move file_{start,end}_write() out of do_iter_write() (2017-07-06 09:15:47 -0400)

----------------------------------------------------------------
Al Viro (1):
      move file_{start,end}_write() out of do_iter_write()

 fs/read_write.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)