linux-kernel - Re: [PATCH v2 1/3] block: simplify calling convention of elv_unregister

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Date:   Tue, 30 Nov 2021 07:44:48 +0100
From:   Hannes Reinecke <hare@...e.de>
To:     Eric Biggers <ebiggers@...nel.org>, linux-block@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
        linux-scsi@...r.kernel.org, linux-mmc@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Bart Van Assche <bvanassche@....org>
Subject: Re: [PATCH v2 1/3] block: simplify calling convention of
 elv_unregister_queue()

On 11/30/21 5:03 AM, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@...gle.com>
> 
> Make elv_unregister_queue() a no-op if q->elevator is NULL or is not
> registered.
> 
> This simplifies the existing callers, as well as the future caller in
> the error path of blk_register_queue().
> 
> Also don't bother checking whether q is NULL, since it never is.
> 
> Signed-off-by: Eric Biggers <ebiggers@...gle.com>
> ---
>   block/blk-sysfs.c | 3 +--
>   block/elevator.c  | 8 ++++----
>   2 files changed, 5 insertions(+), 6 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare@...e.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare@...e.de                              +49 911 74053 688
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