linux-kernel - Re: [PATCH] block: reject bs > ps block devices when THP is disabled

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Message-ID: <aGfNKGBz9lhuK1AF@casper.infradead.org>
Date: Fri, 4 Jul 2025 13:46:32 +0100
From: Matthew Wilcox <willy@...radead.org>
To: Pankaj Raghav <p.raghav@...sung.com>
Cc: Hannes Reinecke <hare@...e.de>, mcgrof@...nel.org,
	Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org,
	linux-block@...r.kernel.org, gost.dev@...sung.com,
	kernel@...kajraghav.com, hch@....de,
	Christian Brauner <brauner@...nel.org>
Subject: Re: [PATCH] block: reject bs > ps block devices when THP is disabled

On Fri, Jul 04, 2025 at 11:21:34AM +0200, Pankaj Raghav wrote:
> As large folio support depends on THP, only allow bs > ps block devices
> if THP is enabled.

I mean, it's a quick fix, so sure.  But really we should remove that
dependency.  Particularly for bs>PS as there's no need for any of the
splitting code.