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

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Message-ID: <20200305204034.GC20967@mit.edu>
Date:   Thu, 5 Mar 2020 15:40:34 -0500
From:   "Theodore Y. Ts'o" <tytso@....edu>
To:     Xiaoguang Wang <xiaoguang.wang@...ux.alibaba.com>
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

On Wed, Mar 04, 2020 at 09:40:54PM +0800, Xiaoguang Wang wrote:
> 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.

Thanks, applied.

						- Ted