lkml.org 
[lkml]   [2021]   [Jan]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] fs: io_uring.c: Add skip option for __io_sqe_files_update
From
Date
On 26/01/2021 17:14, Noah Goldstein wrote:
> On Tue, Jan 26, 2021 at 7:29 AM Pavel Begunkov <asml.silence@gmail.com> wrote:
>>
>> On 22/12/2020 02:10, Noah Goldstein wrote:
>>> On Sun, Dec 20, 2020 at 03:18:05PM +0000, Pavel Begunkov wrote:
>>>> On 20/12/2020 06:50, noah wrote:> From: noah <goldstein.n@wustl.edu>
>>>>>
>>>>> This patch makes it so that specify a file descriptor value of -2 will
>>>>> skip updating the corresponding fixed file index.
>>>>>
>>>>> This will allow for users to reduce the number of syscalls necessary
>>>>> to update a sparse file range when using the fixed file option.
>>>>
>>>> Answering the github thread -- it's indeed a simple change, I had it the
>>>> same day you posted the issue. See below it's a bit cleaner. However, I
>>>> want to first review "io_uring: buffer registration enhancements", and
>>>> if it's good, for easier merging/etc I'd rather prefer to let it go
>>>> first (even if partially).
>>
>> Noah, want to give it a try? I've just sent a prep patch, with it you
>> can implement it cleaner with one continue.
>
> Absolutely. Will get on it ASAP.

Perfect. Even better if you add a liburing test

--
Pavel Begunkov

\
 
 \ /
  Last update: 2021-01-27 02:46    [W:0.091 / U:0.224 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site