linux-kernel - Re: [PATCH v5 03/10] fs: Initial atomic write support

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Date: Fri, 8 Mar 2024 17:15:21 +0000
From: John Garry <john.g.garry@...cle.com>
To: Jens Axboe <axboe@...nel.dk>, kbusch@...nel.org, hch@....de,
        sagi@...mberg.me, jejb@...ux.ibm.com, martin.petersen@...cle.com,
        djwong@...nel.org, viro@...iv.linux.org.uk, brauner@...nel.org,
        dchinner@...hat.com, jack@...e.cz
Cc: linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-nvme@...ts.infradead.org, linux-fsdevel@...r.kernel.org,
        tytso@....edu, jbongio@...gle.com, linux-scsi@...r.kernel.org,
        ojaswin@...ux.ibm.com, linux-aio@...ck.org,
        linux-btrfs@...r.kernel.org, io-uring@...r.kernel.org,
        nilay@...ux.ibm.com, ritesh.list@...il.com,
        Prasad Singamsetty <prasad.singamsetty@...cle.com>
Subject: Re: [PATCH v5 03/10] fs: Initial atomic write support

On 08/03/2024 17:05, Jens Axboe wrote:
>> And the callers can hardcode rw_type?
> Yep, basically making the change identical to the aio one. Not sure why
> you did it differently in those two spots.

In the aio code, rw_type was readily available. For io_uring it was not, 
and I chose to derive from something locally available. But that's a bit 
awkward and is not good for performance, so I'll follow your suggestion.

Thanks,
John