diff options
Diffstat (limited to 'cmds-check.c')
-rw-r--r-- | cmds-check.c | 72 |
1 files changed, 69 insertions, 3 deletions
diff --git a/cmds-check.c b/cmds-check.c index 3c2f1439..5828ba00 100644 --- a/cmds-check.c +++ b/cmds-check.c @@ -5018,6 +5018,66 @@ out: } /* + * Set directory inode isize to @isize. + * + * Returns 0 on success. + * Returns != 0 on error. + */ +static int repair_dir_isize_lowmem(struct btrfs_root *root, + struct btrfs_path *path, + u64 ino, u64 isize) +{ + struct btrfs_trans_handle *trans; + struct btrfs_inode_item *ii; + struct btrfs_key key; + struct btrfs_key research_key; + int ret; + int err = 0; + + btrfs_item_key_to_cpu(path->nodes[0], &research_key, path->slots[0]); + + key.objectid = ino; + key.type = BTRFS_INODE_ITEM_KEY; + key.offset = 0; + + trans = btrfs_start_transaction(root, 1); + if (IS_ERR(trans)) { + ret = PTR_ERR(trans); + err |= ret; + goto out; + } + + btrfs_release_path(path); + ret = btrfs_search_slot(trans, root, &key, path, 0, 1); + if (ret > 0) + ret = -ENOENT; + if (ret) { + err |= ret; + goto fail; + } + + ii = btrfs_item_ptr(path->nodes[0], path->slots[0], + struct btrfs_inode_item); + btrfs_set_inode_size(path->nodes[0], ii, isize); + btrfs_mark_buffer_dirty(path->nodes[0]); +fail: + btrfs_commit_transaction(trans, root); +out: + if (ret) + error("failed to set isize in inode %llu root %llu", + ino, root->root_key.objectid); + else + printf("Set isize in inode %llu root %llu to %llu\n", + ino, root->root_key.objectid, isize); + + btrfs_release_path(path); + ret = btrfs_search_slot(NULL, root, &research_key, path, 0, 0); + err |= ret; + + return err; +} + +/* * Check INODE_ITEM and related ITEMs (the same inode number) * 1. check link count * 2. check inode ref/extref @@ -5152,9 +5212,15 @@ out: } if (isize != size) { - err |= ISIZE_ERROR; - error("root %llu DIR INODE [%llu] size(%llu) not equal to %llu", - root->objectid, inode_id, isize, size); + if (repair) + ret = repair_dir_isize_lowmem(root, path, + inode_id, size); + if (!repair || ret) { + err |= ISIZE_ERROR; + error( + "root %llu DIR INODE [%llu] size %llu not equal to %llu", + root->objectid, inode_id, isize, size); + } } } else { if (nlink != refs) { |