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Date:   Wed, 15 Mar 2023 21:29:12 -0700
From:   "Darrick J. Wong" <>
To:     Jens Axboe <>
Subject: Re: [PATCHSET for-next 0/2] Flag file systems as supporting parallel
 dio writes

On Wed, Mar 15, 2023 at 11:40:02AM -0600, Jens Axboe wrote:
> On 3/7/23 10:20 AM, Jens Axboe wrote:
> > Hi,
> > 
> > This has been on my TODO list for a while, and now that ext4 supports
> > parallel dio writes as well, time to dust it off and send it out... This
> > adds an FMODE flag to inform users that a given file supports parallel
> > dio writes. io_uring can use this to avoid serializing dio writes
> > upfront, in case it isn't needed. A few details in patch #2, patch 1 does
> > nothing by itself.
> I'm assuming silence is consent here and folks are fine with this
> change?

Oh, yeah, this one fell off my radar.

Reviewed-by: Darrick J. Wong <>


> -- 
> Jens Axboe

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