f2fs: check zone write pointer points to the end of zone

We don't need to report an issue, when the zone write pointer already
points to the end of the zone, since the zone mismatch is already taken
care.
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

fs/f2fs/segment.c

@@ -4888,8 +4888,12 @@ static int check_zone_write_pointer(struct f2fs_sb_info *sbi,
 			break;
 	}
 
-	// The write pointer matches with the valid blocks
-	if (last_valid_block + 1 == wp_block)
+	/*
+	 * The write pointer matches with the valid blocks or
+	 * already points to the end of the zone.
+	 */
+	if ((last_valid_block + 1 == wp_block) ||
+			(zone->wp == zone->start + zone->len))
 		return 0;
 
 	if (last_valid_block + 1 == zone_block) {