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Date: Mon, 7 Sep 2026 08:15:57 +0200
From: Christoph Hellwig <hch@lst.de>
To: David Howells <dhowells@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
	Keith Busch <kbusch@kernel.org>, Hannes Reinecke <hare@kernel.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Paulo Alcantara <pc@manguebit.org>, netfs@lists.linux.dev,
	linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] block: Fix start and length check added to
 iov_iter_extract_bvecs()
Message-ID: <20260907061557.GA32231@lst.de>
References: <20260902112743.GA11999@lst.de> <1819786.1787768317@warthog.procyon.org.uk> <1895550.1787777192@warthog.procyon.org.uk> <350212.1788514937@warthog.procyon.org.uk>
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On Fri, Sep 04, 2026 at 10:42:17AM +0100, David Howells wrote:
> Christoph Hellwig <hch@lst.de> wrote:
> 
> > Should this grow a comment explaining why for non-iov/kvec/ubuf
> > we check the alignment of every sector instead of just the
> > start alignment?
> 
> There should possibly be a comment explaining the need for an address
> alignment at all.

Sure.