linux-ext4 - Re: [PATCH] ext4: start to support iopoll method

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Date:   Wed, 4 Mar 2020 21:40:54 +0800
From:   Xiaoguang Wang <xiaoguang.wang@...ux.alibaba.com>
To:     "Theodore Y. Ts'o" <tytso@....edu>
Cc:     linux-ext4@...r.kernel.org, jack@...e.cz,
        joseph qi <joseph.qi@...ux.alibaba.com>
Subject: Re: [PATCH] ext4: start to support iopoll method

hi,

Sorry for being late.
> On Mon, Mar 02, 2020 at 05:17:09PM +0800, Xiaoguang Wang wrote:
>> hi,
>>
>> Ted, could you please consider applying this patch? Iouring polling
>> tests in ext4 needs this patch, Jan Kara has nicely reviewed this patch, thanks.
> 
> Yeah, I had been waiting to make sure the fix: "io_uring: fix
> poll_list race for SETUP_IOPOLL|SETUP_SQPOLL" was going to land.
I confirmed that it had been merged into mainline.

> 
> Am I correct that the bug fixed in the above fix isn't going to impact
> xfstests (since it looks like there are no fio runs with the io_uring
> engine at the moment)?
Yes, I have run xfstests with "-g auto", with or without this patch, there always
are six same failed test cases, so I think it won't impact current xfstests, thanks.

Regards,
Xiaoguang Wang
> 
> 						- Ted
>