diff options
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index d229f6c25f29..646dde5883a6 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2329,16 +2329,19 @@ static int btrfs_read_roots(struct btrfs_fs_info *fs_info) btrfs_init_devices_late(fs_info); } - location.objectid = BTRFS_CSUM_TREE_OBJECTID; - root = btrfs_read_tree_root(tree_root, &location); - if (IS_ERR(root)) { - if (!btrfs_test_opt(fs_info, IGNOREBADROOTS)) { - ret = PTR_ERR(root); - goto out; + /* If IGNOREDATACSUMS is set don't bother reading the csum root. */ + if (!btrfs_test_opt(fs_info, IGNOREDATACSUMS)) { + location.objectid = BTRFS_CSUM_TREE_OBJECTID; + root = btrfs_read_tree_root(tree_root, &location); + if (IS_ERR(root)) { + if (!btrfs_test_opt(fs_info, IGNOREBADROOTS)) { + ret = PTR_ERR(root); + goto out; + } + } else { + set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state); + fs_info->csum_root = root; } - } else { - set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state); - fs_info->csum_root = root; } /* |