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Date: Mon, 24 Jun 2024 19:24:25 +0200
From: Christoph Hellwig <hch@lst.de>
To: Keith Busch <kbusch@kernel.org>
Subject: Re: [PATCH 14/26] block: move the nonrot flag to queue_limits
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On Mon, Jun 24, 2024 at 11:08:16AM -0600, Keith Busch wrote:
> On Mon, Jun 17, 2024 at 08:04:41AM +0200, Christoph Hellwig wrote:
> > -#define blk_queue_nonrot(q)	test_bit(QUEUE_FLAG_NONROT, &(q)->queue_flags)
> > +#define blk_queue_nonrot(q)	((q)->limits.features & BLK_FEAT_ROTATIONAL)
> 
> This is inverted. Should be:
> 
>  #define blk_queue_nonrot(q)	(!((q)->limits.features & BLK_FEAT_ROTATIONAL))

Ah yes.  And the sysfs attribute doesn't go through the macro and
won't show the effect.  I'll send a fixup.