linux-kernel - Re: [PATCH] block: fix bio splitting on max sectors

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Message-ID: <20160122203350.GA29201@localhost.localdomain>
Date:	Fri, 22 Jan 2016 20:33:51 +0000
From:	Keith Busch <keith.busch@...el.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Stefan Haberland <sth@...ux.vnet.ibm.com>,
	Jens Axboe <axboe@...nel.dk>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-block@...r.kernel.org, Ming Lei <tom.leiming@...il.com>
Subject: Re: [PATCH] block: fix bio splitting on max sectors

On Fri, Jan 22, 2016 at 12:22:18PM -0800, Linus Torvalds wrote:
> 
> On Jan 22, 2016 12:11 PM, "Keith Busch" <keith.busch@...el.com> wrote:
> >
> > The value of max_sectors doesn't change in this function
> 
> Why do you say that? It depends on the offset, so it clearly *does* change.

The only "offset" used is the bio's start sector, which doesn't change.