tree c1e6f2ffef22003502bd8f118492b16ae03723bc
parent a8324754889c0a491b216bc0502ef9ba557eeac7
author Al Viro <viro@zeniv.linux.org.uk> 1397765362 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1399412376 -0400

convert ext4 to ->write_iter()

unfortunately, Ted's changes to ext4_file_write() are *still* an
incomplete fix - playing with rlimits can let you smuggle an
unaligned request past the checks.  So there almost certainly
will be more merge PITA around that place...

[fix from Peter Ujfalusi <peter.ujfalusi@ti.com> folded]

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