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Date:   Thu, 16 Mar 2023 20:53:07 -0600
From:   Jens Axboe <>
To:     "Darrick J. Wong" <>
Subject: Re: [PATCHSET for-next 0/2] Flag file systems as supporting parallel
 dio writes

On 3/15/23 10:29 PM, Darrick J. Wong wrote:
> 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 <>

Thanks Darrick.

Jens Axboe

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