commit a6cbcd4a4a85e2fdb0b3344b88df2e8b3d526b9e
author Al Viro <viro@zeniv.linux.org.uk> Tue Mar 04 22:38:00 2014 -0500
committer Al Viro <viro@zeniv.linux.org.uk> Tue May 06 17:32:45 2014 -0400
tree c0f054759a0b9c26881109968ad018fe759af458
parent 16b1f05d7f5ab4ce570963aca5f3b2b5d21822fa

get rid of pointless iov_length() in ->direct_IO()

all callers have iov_length(iter->iov, iter->nr_segs) == iov_iter_count(iter)

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

fs/gfs2/aops.c

diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index e84ddaa..228a12d 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -1081,7 +1081,7 @@
 	 */
 	if (mapping->nrpages) {
 		loff_t lstart = offset & (PAGE_CACHE_SIZE - 1);
-		loff_t len = iov_length(iter->iov, iter->nr_segs);
+		loff_t len = iov_iter_count(iter);
 		loff_t end = PAGE_ALIGN(offset + len) - 1;
 
 		rv = 0;