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From: Chandra Seetharaman <sekharan@us.ibm.com>
To: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Martin Michlmayr <tbm@cyrius.com>,
	Mike Christie <michaelc@cs.wisc.edu>,
	linux-kernel@vger.kernel.org
Subject: Re: DM_MULTIPATH_RDAC: "scsi_normalize_sense" undefined
Date: Fri, 24 Aug 2007 15:16:27 -0700	[thread overview]
Message-ID: <1187993787.17399.343.camel@linuxchandra> (raw)
In-Reply-To: <20070824150021.a7fdc9f6.randy.dunlap@oracle.com>

On Fri, 2007-08-24 at 15:00 -0700, Randy Dunlap wrote:
> On Fri, 24 Aug 2007 14:33:02 -0700 Chandra Seetharaman wrote:
> 
> > It does, but "rdac" _is_ for a SCSI device.
> 
> It does __what__ ?  depend on SCSI?

Yes, as you understood it correctly :)

> I don't see that in drivers/md/Kconfig.
> Sounds like Martin is correct, SCSI needs to be added, like below.

I do agree that the following patch would be needed.

Since the rdac hardware handler is for a scsi device, including it
without SCSI would not achieve anything (as his device won't be visible
in the first place). Hence my question.

For completeness, I agree that we need the fix pointed below.
> 
> 
> > What device are you using it with ?
> > 
> > On Fri, 2007-08-24 at 18:08 +0200, Martin Michlmayr wrote:
> > > I just got:
> > > 
> > >   Building modules, stage 2.
> > >   MODPOST 414 modules
> > > ERROR: "scsi_normalize_sense" [drivers/md/dm-rdac.ko] undefined!
> > > make[1]: *** [__modpost] Error 1
> > > 
> > > Presumably DM_MULTIPATH_RDAC needs to depend on SCSI (not enabled
> > > here) since it uses scsi_normalize_sense.
> 
> ---
> 
> From: Randy Dunlap <randy.dunlap@oracle.com>
> 
> DM_MULTIPATH_RDAC uses SCSI API(s) and is for a SCSI device,
> so add SCSI to its depends on to prevent build errors.
> 
> Not tested.
> 
> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
> ---
>  drivers/md/Kconfig |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> --- linux-2.6.23-rc3-git6.orig/drivers/md/Kconfig
> +++ linux-2.6.23-rc3-git6/drivers/md/Kconfig
> @@ -263,7 +263,7 @@ config DM_MULTIPATH_EMC
> 
>  config DM_MULTIPATH_RDAC
>  	tristate "LSI/Engenio RDAC multipath support (EXPERIMENTAL)"
> -	depends on DM_MULTIPATH && BLK_DEV_DM && EXPERIMENTAL
> +	depends on DM_MULTIPATH && BLK_DEV_DM && SCSI && EXPERIMENTAL
>  	---help---
>  	  Multipath support for LSI/Engenio RDAC.
> 
-- 

----------------------------------------------------------------------
    Chandra Seetharaman               | Be careful what you choose....
              - sekharan@us.ibm.com   |      .......you may get it.
----------------------------------------------------------------------



  reply	other threads:[~2007-08-24 22:16 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-08-24 16:08 DM_MULTIPATH_RDAC: "scsi_normalize_sense" undefined Martin Michlmayr
2007-08-24 21:33 ` Chandra Seetharaman
2007-08-24 22:00   ` Randy Dunlap
2007-08-24 22:16     ` Chandra Seetharaman [this message]
2007-08-25  8:04     ` Martin Michlmayr
2007-08-25  7:51   ` Martin Michlmayr

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