lkml.org 
[lkml]   [2019]   [Dec]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v5] io_uring: don't wait when under-submitting
From
Date
On 12/18/19 9:53 AM, Pavel Begunkov wrote:
> There is no reliable way to submit and wait in a single syscall, as
> io_submit_sqes() may under-consume sqes (in case of an early error).
> Then it will wait for not-yet-submitted requests, deadlocking the user
> in most cases.
>
> Don't wait/poll if can't submit all sqes

This looks great, thanks, applied.

--
Jens Axboe

\
 
 \ /
  Last update: 2019-12-18 17:58    [W:0.028 / U:2.188 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site