linux-kernel - Re: [Patch 7/8] Enhanced partition statistics: procfs

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Message-Id: <20071213094744.eaa0b232.randy.dunlap@oracle.com>
Date:	Thu, 13 Dec 2007 09:47:44 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Jerome Marchand <jmarchan@...hat.com>
Cc:	linux-kernel@...r.kernel.org, axboe@...nel.dk
Subject: Re: [Patch 7/8] Enhanced partition statistics: procfs

On Thu, 13 Dec 2007 18:36:45 +0100 Jerome Marchand wrote:

> Randy Dunlap wrote:
> > 
> > The format of the /proc file is not changed except to add data
> > at the end of each line.  Is that correct?
> > 
> 
> No. The line concerning partitions will display different data. The new format match the current format
> concerning disks.
> 
> Current partition format:
> major minor name reads_issued sectors_read writes_issued sectors_written
> 
> New partition format (current disk format):
> major minor name reads_issued reads_merged sector_read ms_reading writes_completed writes_merged sectors_written ms_writing I/Os_running ms_I/O weighted_ms_I/O


I would have expected the /proc file contents to represent a user
interface that we shouldn't change, other than by adding to the end
of each line.


---
~Randy
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