Re: [PATCH] btrfs: sysfs: export the balance paused state of exclusive operation

[Nikolay Borisov <nborisov@suse.com>]

On 3.05.22 г. 18:35 ч., David Sterba wrote:
> The new state allowing device addition with paused balance is not
> exported to user space so it can't recognize it and actually start the
> operation.
> 
> Fixes: efc0e69c2fea ("btrfs: introduce exclusive operation BALANCE_PAUSED state")
> CC: stable@vger.kernel.org # 5.17
> Signed-off-by: David Sterba <dsterba@suse.com>

Reviewed-by: Nikolay Borisov <nborisov@suse.com>

> ---
>   fs/btrfs/sysfs.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
> index 366424222b4f..92a1fa8e3da6 100644
> --- a/fs/btrfs/sysfs.c
> +++ b/fs/btrfs/sysfs.c
> @@ -957,6 +957,9 @@ static ssize_t btrfs_exclusive_operation_show(struct kobject *kobj,
>   		case BTRFS_EXCLOP_BALANCE:
>   			str = "balance\n";
>   			break;
> +		case BTRFS_EXCLOP_BALANCE_PAUSED:
> +			str = "balance paused\n";
> +			break;
>   		case BTRFS_EXCLOP_DEV_ADD:
>   			str = "device add\n";
>   			break;