Btrfs: fix comparison in __btrfs_map_block()
authorVincent Stehlé <vincent.stehle@intel.com>
Fri, 15 Jul 2016 15:03:21 +0000 (17:03 +0200)
committerJens Axboe <axboe@fb.com>
Mon, 18 Jul 2016 21:28:23 +0000 (15:28 -0600)
Add missing comparison to op in expression, which was forgotten when doing
the REQ_OP transition.

Fixes: b3d3fa519905 ("btrfs: update __btrfs_map_block for REQ_OP transition")
Signed-off-by: Vincent Stehlé <vincent.stehle@intel.com>
Reviewed-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
fs/btrfs/volumes.c

index 14b2d19c842c054c64768e072801fe8a684d496c..4ff9c06cb1be323de61852f057aa4d846cae3701 100644 (file)
@@ -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) {