On Tue, 13 May 2014 17:05:05 +0800, Wang Shilong wrote: > Btrfs device id start from 1, not 0. > > Signed-off-by: Wang Shilong <wangsl.f...@cn.fujitsu.com> > --- > utils.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/utils.c b/utils.c > index 560c557..d480353 100644 > --- a/utils.c > +++ b/utils.c > @@ -1765,7 +1765,7 @@ int get_fs_info(char *path, struct > btrfs_ioctl_fs_info_args *fi_args, > goto out; > }
You've not seen the two assignments in get_fs_info() above the lines that you change: if (is_block_device(path)) { ... fi_args->max_id = devid; i = devid; > > - for (; i <= fi_args->max_id; ++i) { > + for (i = 1; i <= fi_args->max_id; ++i) { > BUG_ON(ndevs >= fi_args->num_devices); > ret = get_device_info(fd, i, &di_args[ndevs]); > if (ret == -ENODEV) -- 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