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Date:   Mon, 3 Apr 2023 14:24:42 +0200
From:   Christian Brauner <>
To:     Jens Axboe <>
Subject: Re: [PATCHSET for-next 0/2] Flag file systems as supporting parallel
 dio writes

On Tue, Mar 07, 2023 at 10:20:13AM -0700, 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.

Looks good,
Reviewed-by: Christian Brauner <>

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