linux-kernel - Re: [PATCH] zram: correct offset usage in zram_bio

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Message-Id: <20140422125539.f40a414ca0dbae703a23b977@linux-foundation.org>
Date:	Tue, 22 Apr 2014 12:55:39 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Weijie Yang <weijie.yang@...sung.com>
Cc:	"'Minchan Kim'" <minchan@...nel.org>,
	"'Nitin Gupta'" <ngupta@...are.org>, iamjoonsoo.kim@....com,
	"'Sergey Senozhatsky'" <sergey.senozhatsky@...il.com>,
	"'Bob Liu'" <bob.liu@...cle.com>,
	"'linux-kernel'" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] zram: correct offset usage in zram_bio_discard

On Tue, 22 Apr 2014 11:14:02 +0800 Weijie Yang <weijie.yang@...sung.com> wrote:

> we want to skip the logical block which is partially covered by
> the discard bio, so check the remaining size and subtract it if
> there is a need to goto the next logical block.
> 
> This patch corrects the offset usage in zram_bio_discard.
> 

What were the end-user visible effects of the bug?

Please always include this information when fixing something so that
others can work out which kernel(s) need patching.

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