Btrfs: fix comparison in __btrfs_map_block()

Add missing comparison to op in expression, which was forgotten when doing the REQ_OP transition. Fixes: b3d3fa5 ("btrfs: update __btrfs_map_block for REQ_OP transition") Signed-off-by: Vincent Stehlé <[email protected]> Reviewed-by: Mike Christie <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
josf · Jul 18, 2016 · df5c82a · df5c82a
1 parent 9c87471
commit df5c82a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
@@ -5494,7 +5494,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int op,
 		}
 
 	} else if (map->type & BTRFS_BLOCK_GROUP_DUP) {
-		if (op == REQ_OP_WRITE || REQ_OP_DISCARD ||
+		if (op == REQ_OP_WRITE || op == REQ_OP_DISCARD ||
 		    op == REQ_GET_READ_MIRRORS) {
 			num_stripes = map->num_stripes;
 		} else if (mirror_num) {