Re: [PATCH] fs: align IOCB_* flags with RWF_* flags

From: Jens Axboe
Date: Mon Sep 07 2020 - 22:13:49 EST


On 9/7/20 2:15 PM, Matthew Wilcox wrote:
> On Mon, Aug 31, 2020 at 12:08:10PM -0600, Jens Axboe wrote:
>> We have a set of flags that are shared between the two and inherired
>> in kiocb_set_rw_flags(), but we check and set these individually.
>> Reorder the IOCB flags so that the bottom part of the space is synced
>> with the RWF flag space, and then we can do them all in one mask and
>> set operation.
>>
>> The only exception is RWF_SYNC, which needs to mark IOCB_SYNC and
>> IOCB_DSYNC. Do that one separately.
>>
>> This shaves 15 bytes of text from kiocb_set_rw_flags() for me.
>>
>> Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
>
> Suggested-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>

Added

--
Jens Axboe