tree 58b40c17cbb806c94aa07121a8b010d16f825d27
parent ed978a811ec528dbe40243605c3afab55892f722
author Al Viro <viro@zeniv.linux.org.uk> 1394065689 -0500
committer Al Viro <viro@zeniv.linux.org.uk> 1399411969 -0400

start adding the tag to iov_iter

For now, just use the same thing we pass to ->direct_IO() - it's all
iovec-based at the moment.  Pass it explicitly to iov_iter_init() and
account for kvec vs. iovec in there, by the same kludge NFS ->direct_IO()
uses.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>