On 2018/07/23 16:18, Christoph Hellwig wrote:
> Looks good,
Looks bad. :-(
SYSCALL_DEFINE3(ioprio_set, int, which, int, who, int, ioprio)
{
(...snipped...)
rcu_read_lock();
(...snipped...)
ret = set_task_ioprio(p, ioprio);
(...snipped...)
rcu_read_unlock();
(...snipped...)
}
>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
>
> But to me it seems that btrfs and maybe ext4 as well would be much
> better off just setting a per-IO priority in the bio.
>
> Any chance yo could look into that?
>
