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Date: Thu, 22 Jan 2026 07:04:00 +0100
From: Christoph Hellwig <hch@lst.de>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
	Christian Brauner <brauner@kernel.org>,
	Carlos Maiolino <cem@kernel.org>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Anuj Gupta <anuj20.g@samsung.com>,
	Kanchan Joshi <joshi.k@samsung.com>, linux-block@vger.kernel.org,
	nvdimm@lists.linux.dev, linux-fsdevel@vger.kernel.org,
	linux-xfs@vger.kernel.org
Subject: Re: [PATCH 07/15] block: pass a maxlen argument to
 bio_iov_iter_bounce
Message-ID: <20260122060400.GD24006@lst.de>
References: <20260121064339.206019-1-hch@lst.de> <20260121064339.206019-8-hch@lst.de> <20260122010440.GT5945@frogsfrogsfrogs>
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User-Agent: Mutt/1.5.17 (2007-11-01)

On Wed, Jan 21, 2026 at 05:04:40PM -0800, Darrick J. Wong wrote:
> >  	if (dio->flags & IOMAP_DIO_BOUNCE)
> > -		ret = bio_iov_iter_bounce(bio, dio->submit.iter);
> > +		ret = bio_iov_iter_bounce(bio, dio->submit.iter, UINT_MAX);
> 
> Nitpicking here, but shouldn't this be SIZE_MAX?

bi_size can't store more than UINT_MAX, so I think this is correct.