linux-kernel - Re: [PATCH] fs: align IOCB_* flags with RWF

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Message-ID: <4e51e236-f996-feb1-1f8d-c94b4163551c@kernel.dk>
Date:   Mon, 7 Sep 2020 13:43:19 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Cc:     Alexander Viro <viro@...iv.linux.org.uk>,
        Jann Horn <jannh@...gle.com>
Subject: Re: [PATCH] fs: align IOCB_* flags with RWF_* flags

On 8/31/20 12:08 PM, 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.

Al, are you OK with me queueing this one up? I'm fine either way,
obviously no dependencies for this one, just want to ensure it isn't
dropped.

-- 
Jens Axboe