rename setlease to generic_setlease

Make it a little more clear that this is the default implementation for
the setleast operation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Acked-by: "J. Bruce Fields" <bfields@fieldses.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c
index 1a5e8e8..7734211 100644
--- a/fs/gfs2/ops_file.c
+++ b/fs/gfs2/ops_file.c
@@ -508,7 +508,7 @@
 	 */
 	if (!sdp->sd_args.ar_localflocks)
 		return -EINVAL;
-	return setlease(file, arg, fl);
+	return generic_setlease(file, arg, fl);
 }
 
 /**