fs: implement vfs_iter_write using do_iter_write

De-dupliate some code and allow for passing the flags argument to
vfs_iter_write.  Additionally it now properly updates timestamps.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Christoph Hellwig 2017-05-27 11:16:52 +03:00 • committed by Al Viro
commit abbb65899a
6 changed files with 16 additions and 26 deletions