linux-kernel - Re: [PATCH] [scsi]: Add offline state checking while dispatch a scsi cmd

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Message-Id: <1173369759.3683.1.camel@mulgrave.il.steeleye.com>
Date:	Thu, 08 Mar 2007 08:02:39 -0800
From:	James Bottomley <James.Bottomley@...elEye.com>
To:	Joe Jin <joe.jin@...cle.com>
Cc:	akpm@...l.org, dgilbert@...erlog.com, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org, haobo.zhou@...cle.com
Subject: Re: [PATCH] [scsi]: Add offline state checking while dispatch a
	scsi cmd

On Thu, 2007-03-08 at 17:22 +0800, Joe Jin wrote:
> While a scsi device hw error occured, device's status maybe setting 
> to SDEV_OFFLINE, So at scsi_dispatch_cmd function, we should checking
> if device have offline, if yes, do nothing and just return error to
> user directly.

What's the error you're trying to fix?  scsi_dispatch_cmd() is only
called from scsi_request_fn() which already has an equivalent of this
check in it just prior to calling dispatch.

James


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