On Wed, Sep 18, 2013 at 04:27:36PM +0800, Wang Shilong wrote: > --- a/disk-io.c > +++ b/disk-io.c > @@ -982,7 +982,8 @@ int btrfs_setup_chunk_tree_and_device_map(struct btrfs_fs_info *fs_info) > static struct btrfs_fs_info *__open_ctree_fd(int fp, const char *path, > u64 sb_bytenr, > u64 root_tree_bytenr, int writes, > - int partial, int restore) > + int partial, int restore, > + int run_ioctl) Yet another parameter to __open_ctree_fd, this really needs a cleanup. (Later is fine.) > + root = open_ctree_with_broken_super(record->device_name, > + record->bytenr, O_RDWR); The last parameter is 'writes', I think it's 0/1, not the open() flags. > + BUG_ON(!root); Is it a fatal error to BUG_ON here? Please add proper error handling. thanks, david -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html