[PATCH] md: fix jiffies handling in md.c

Use time_after_eq instead of >=

From: Michal Schmidt <xschmi00@stud.feec.vutbr.cz>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/md/md.c

@@ -3394,7 +3394,7 @@ static void md_do_sync(mddev_t *mddev)
 			break;
 
 	repeat:
-		if (jiffies >= mark[last_mark] + SYNC_MARK_STEP ) {
+		if (time_after_eq(jiffies, mark[last_mark] + SYNC_MARK_STEP )) {
 			/* step marks */
 			int next = (last_mark+1) % SYNC_MARKS;