Re: [PATCH] block: ioprio: Replace GFP_ATOMIC with GFP_KERNEL in set_task_ioprio()
From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Date: 2018-07-23 21:50:23
Also in:
lkml
From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Date: 2018-07-23 21:50:23
Also in:
lkml
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@lst.de> 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?