linux-kernel - Re: [Patch v9 02/10] block: Generalize chunk

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Message-ID: <4be6fe89-c972-4bf9-9d5f-84614c1c5792@suse.de>
Date: Thu, 20 Jun 2024 16:14:09 +0200
From: Hannes Reinecke <hare@...e.de>
To: John Garry <john.g.garry@...cle.com>, axboe@...nel.dk, kbusch@...nel.org,
 hch@....de, sagi@...mberg.me, jejb@...ux.ibm.com,
 martin.petersen@...cle.com, viro@...iv.linux.org.uk, brauner@...nel.org,
 dchinner@...hat.com, jack@...e.cz
Cc: djwong@...nel.org, 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, willy@...radead.org, agk@...hat.com,
 snitzer@...nel.org, mpatocka@...hat.com, dm-devel@...ts.linux.dev
Subject: Re: [Patch v9 02/10] block: Generalize chunk_sectors support as
 boundary support

On 6/20/24 14:53, John Garry wrote:
> The purpose of the chunk_sectors limit is to ensure that a mergeble request
> fits within the boundary of the chunck_sector value.
> 
> Such a feature will be useful for other request_queue boundary limits, so
> generalize the chunk_sectors merge code.
> 
> This idea was proposed by Hannes Reinecke.
> 
> Reviewed-by: Martin K. Petersen <martin.petersen@...cle.com>
> Signed-off-by: John Garry <john.g.garry@...cle.com>
> ---
>   block/blk-merge.c      | 20 ++++++++++++++------
>   drivers/md/dm.c        |  2 +-
>   include/linux/blkdev.h | 13 +++++++------
>   3 files changed, 22 insertions(+), 13 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare@...e.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                  Kernel Storage Architect
hare@...e.de                                +49 911 74053 688
SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg
HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich