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)
--
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