On Wed, 2014-10-29 at 18:51 +0800, Anand Jain wrote:
> There is a compatibility issue with older kernel with the progs commit id as
> below.
>
> 05cd2907557ba627cfb86e60b214ea6228613a84
Which tree does this commit id belongs to?
I can't find it anywhere?
> So as of now writing to revert the above commit id.
> The brewing sysfs interface would help to fix the impending issue, which is
> seed device would fail show in 'btrfs fi show' output of a sprout device.
>
> Signed-off-by: Anand Jain <anand.j...@oracle.com>
> ---
> utils.c | 19 +------------------
> 1 file changed, 1 insertion(+), 18 deletions(-)
>
> diff --git a/utils.c b/utils.c
> index a8691fe..1d1cc77 100644
> --- a/utils.c
> +++ b/utils.c
> @@ -1869,29 +1869,12 @@ int get_fs_info(char *path, struct
> btrfs_ioctl_fs_info_args *fi_args,
> if (!fi_args->num_devices)
> goto out;
>
> - /*
> - * with kernel patch
> - * btrfs: ioctl BTRFS_IOC_FS_INFO and BTRFS_IOC_DEV_INFO miss-matched
> with slots
> - * the kernel now returns total_devices which does not include
> - * replacing device if running.
> - * As we need to get dev info of the replace device if it is running,
> - * so just add one to fi_args->num_devices.
> - */
> -
> - di_args = *di_ret = malloc((fi_args->num_devices + 1) *
> sizeof(*di_args));
> + di_args = *di_ret = malloc((fi_args->num_devices) * sizeof(*di_args));
> if (!di_args) {
> ret = -errno;
> goto out;
> }
>
> - /* get the replace target device if it is there */
> - ret = get_device_info(fd, i, &di_args[ndevs]);
> - if (!ret) {
> - ndevs++;
> - fi_args->num_devices++;
> - }
> - i++;
> -
> for (; i <= fi_args->max_id; ++i) {
> BUG_ON(ndevs >= fi_args->num_devices);
> ret = get_device_info(fd, i, &di_args[ndevs]);
--
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