From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1757248AbcAZCpm (ORCPT <rfc822;w@1wt.eu>);
	Mon, 25 Jan 2016 21:45:42 -0500
Received: from mail-pf0-f177.google.com ([209.85.192.177]:34816 "EHLO
	mail-pf0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1757022AbcAZCpi (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Mon, 25 Jan 2016 21:45:38 -0500
Subject: Re: [4.5.0-rc1/-next] unaligned bio-s
To: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
        linux-block@vger.kernel.org
References: <20160126014930.GA515@swordfish>
Cc: Minchan Kim <minchan@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        "Theodore Ts'o" <tytso@mit.edu>, linux-kernel@vger.kernel.org,
        Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
From: Jens Axboe <axboe@kernel.dk>
Message-ID: <56A6DDCF.3010606@kernel.dk>
Date: Mon, 25 Jan 2016 19:45:35 -0700
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101
 Thunderbird/38.5.1
MIME-Version: 1.0
In-Reply-To: <20160126014930.GA515@swordfish>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On 01/25/2016 06:49 PM, Sergey Senozhatsky wrote:
> Hello,
>
> With 4.5.0-rc1/linux-next I see unaligned requests passed to zram block
> device.
>
> bio->bi_iter.bi_size is expected to be ZRAM_LOGICAL_BLOCK_SIZE (1 << 12) aligned.

This is current in my for-linus, if you pull in:

git://git.kernel.dk/linux-block.git for-linus

and re-test. It'll go into mainline soon.

-- 
Jens Axboe