linux-kernel - Re: [PATCH v4 02/11] fs: Allow fine-grained control of folio sizes

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Date: Thu, 25 Apr 2024 20:07:48 +0200
From: Hannes Reinecke <hare@...e.de>
To: "Pankaj Raghav (Samsung)" <kernel@...kajraghav.com>, willy@...radead.org,
 djwong@...nel.org, brauner@...nel.org, david@...morbit.com,
 chandan.babu@...cle.com, akpm@...ux-foundation.org
Cc: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-mm@...ck.org, linux-xfs@...r.kernel.org, mcgrof@...nel.org,
 gost.dev@...sung.com, p.raghav@...sung.com
Subject: Re: [PATCH v4 02/11] fs: Allow fine-grained control of folio sizes

On 4/25/24 13:37, Pankaj Raghav (Samsung) wrote:
> From: "Matthew Wilcox (Oracle)" <willy@...radead.org>
> 
> Some filesystems want to be able to ensure that folios that are added to
> the page cache are at least a certain size.
> Add mapping_set_folio_min_order() to allow this level of control.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
> Co-developed-by: Pankaj Raghav <p.raghav@...sung.com>
> Signed-off-by: Pankaj Raghav <p.raghav@...sung.com>
> Signed-off-by: Luis Chamberlain <mcgrof@...nel.org>
> ---
>   include/linux/pagemap.h | 116 +++++++++++++++++++++++++++++++++-------
>   1 file changed, 96 insertions(+), 20 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