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From: Tejun Heo <htejun@gmail.com>
To: Mikael Pettersson <mikpe@it.uu.se>
Cc: Jeff Garzik <jgarzik@pobox.com>, Mark Lord <liml@rtr.ca>,
	IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: Re: "ata73" == "sd 72" ?
Date: Thu, 24 Apr 2008 12:38:17 +0900	[thread overview]
Message-ID: <481000A9.40903@gmail.com> (raw)
In-Reply-To: <18440.22565.901222.300756@alkaid.it.uu.se>

Mikael Pettersson wrote:
> Jeff Garzik writes:
>  > Mark Lord wrote:
>  > > While working on sata_mv today, I noticed something weird in the syslog.
>  > > The messages from libata show "ata73" for the port with my drives (pmp),
>  > > but the messages from SCSI (sd) show "sd 72" for those same drives.
>  > > 
>  > > One would really think that these two numbers should agree,
>  > > not be off by one.  I wonder why they differ (or why they are
>  > > almost the same) ?
>  > 
>  > Just historical reasons, one counts from zero and the other does not...
> 
> Could this possibly be changed, please? I've noticed this
> discrepancy myself and it really is confusing.
> 
> Maybe the mapping exists in sysfs, but navigating sysfs is
> an absolute nightmare IMO so I wouldn't know how to find it.

I hope it could be changed too but it can also irritate a lot of people. 
  :-(

-- 
tejun

      reply	other threads:[~2008-04-24  3:38 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-18  0:30 "ata73" == "sd 72" ? Mark Lord
2008-04-18  6:22 ` Jeff Garzik
2008-04-18  8:13   ` Mikael Pettersson
2008-04-24  3:38     ` Tejun Heo [this message]

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