linux-kernel - Re: [PATCH 3/6] zram: use generic start/end io accounting

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Message-ID: <20150312012547.GC10820@blaptop>
Date:	Thu, 12 Mar 2015 10:25:47 +0900
From:	Minchan Kim <minchan@...nel.org>
To:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Nitin Gupta <ngupta@...are.org>, linux-kernel@...r.kernel.org,
	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Subject: Re: [PATCH 3/6] zram: use generic start/end io accounting

On Wed, Mar 11, 2015 at 12:08:31AM +0900, Sergey Senozhatsky wrote:
> Use bio generic_start_io_acct() and generic_end_io_acct() to account
> device's block layer statistics. This will let users to monitor zram
> activities using sysstat and similar packages/tools.

Yay, Thanks!

> 
> Apart from the usual per-stat sysfs attr, zram IO stats are now also
> available in '/sys/block/zram<id>/stat' and '/proc/diskstats' files.
> 
> We will slowly get rid of per-stat sysfs files.
> 
> Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Acked-by: Minchan Kim <minchan@...nel.org>

-- 
Kind regards,
Minchan Kim
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