New function repair_inode_item_mismatch() only changes inode item' filetype.
Signed-off-by: Su Yue <suy.f...@cn.fujitsu.com> --- cmds-check.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/cmds-check.c b/cmds-check.c index f302724dd840..e3505a7f9d6b 100644 --- a/cmds-check.c +++ b/cmds-check.c @@ -4913,6 +4913,58 @@ static void print_inode_ref_err(struct btrfs_root *root, struct btrfs_key *key, namebuf, filetype); } +/* + * Change inode mode. + * + * Returns 0 means success. + * Returns <0 means error. + */ +static int repair_inode_item_mismatch(struct btrfs_root *root, u64 ino, + u8 filetype) +{ + struct btrfs_key key; + struct btrfs_trans_handle *trans; + struct btrfs_path path; + struct btrfs_inode_item *ii; + u32 mode; + int ret; + + key.objectid = ino; + key.type = BTRFS_INODE_ITEM_KEY; + key.offset = 0; + + btrfs_init_path(&path); + trans = btrfs_start_transaction(root, 1); + if (IS_ERR(trans)) { + ret = -EIO; + goto out; + } + + ret = btrfs_search_slot(trans, root, &key, &path, 0, 1); + if (ret > 0) + ret = -ENOENT; + if (ret) + goto fail; + + ii = btrfs_item_ptr(path.nodes[0], path.slots[0], + struct btrfs_inode_item); + mode = btrfs_inode_mode(path.nodes[0], ii); + mode &= ~S_IFMT; + mode |= btrfs_type_to_imode(filetype); + + btrfs_set_inode_mode(path.nodes[0], ii, mode); + btrfs_mark_buffer_dirty(path.nodes[0]); + ret = 0; +fail: + btrfs_commit_transaction(trans, root); +out: + btrfs_release_path(&path); + if (ret) + error("failed to repair root %llu INODE ITEM[%llu] MISMATCH", + root->objectid, ino); + return ret; +} + /* * Insert the missing inode item. * -- 2.16.1 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html