linux-kernel - Re: linux-next: Tree for December 29 (fcoe/libfc)

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Message-ID: <495A5259.2080208@oracle.com>
Date:	Tue, 30 Dec 2008 08:54:49 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	James Bottomley <James.Bottomley@...senpartnership.com>
CC:	Stephen Rothwell <sfr@...b.auug.org.au>,
	scsi <linux-scsi@...r.kernel.org>, linux-next@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>,
	Robert Love <robert.w.love@...el.com>
Subject: Re: linux-next: Tree for December 29 (fcoe/libfc)

James Bottomley wrote:
> On Mon, 2008-12-29 at 19:53 -0800, Randy Dunlap wrote:
>> On Tue, 30 Dec 2008 03:16:21 +1100 Stephen Rothwell wrote:
>>
>>> Hi all,
>>>
>>> Changes since 20081219:
>>>
>>> Undropped tree:
>>> 	scci
>>> 	mtd
>>>
>>> Dropped trees (temporarily):
>>> 	nfs (akpm request due to 2.6.30 features)
>>> 	kvm (build problem)
>>> 	rr (build poblem)
>>> 	semaphore-removal (due to unfixed conflicts against Linus' tree)
>>> 	cpu_alloc (build problem)
>>> 	audit (difficult conflicts)
>>>
>>> Linus' tree had three build failures requiring patches and one requiring
>>> a revert.
>>
>> >From drivers/scsi/Kconfig:
>>
>> config LIBFC
>> 	tristate "LibFC module"
>> 	depends on SCSI && SCSI_FC_ATTRS
>> 	---help---
>> 	  Fibre Channel library module
>>
>> config FCOE
>> 	tristate "FCoE module"
>> 	depends on SCSI
>> 	select LIBFC
>> 	---help---
>> 	  Fibre Channel over Ethernet module
>>
>>
>> Aside from being very skimpy help messages, nothing there requires
>> SCSI_FC_ATTRS to be enabled for FCOE, so when FCOE is enabled,
>> LIBFC is selected, and then bang:
>>
>> ERROR: "scsi_is_fc_rport" [drivers/scsi/libfc/libfc.ko] undefined!
>> ERROR: "fc_remote_port_delete" [drivers/scsi/libfc/libfc.ko] undefined!
>> ERROR: "fc_remote_port_add" [drivers/scsi/libfc/libfc.ko] undefined!
>> ERROR: "fc_release_transport" [drivers/scsi/fcoe/fcoe.ko] undefined!
>> ERROR: "fc_remove_host" [drivers/scsi/fcoe/fcoe.ko] undefined!
>> ERROR: "fc_attach_transport" [drivers/scsi/fcoe/fcoe.ko] undefined!
> 
> I checked the select of an option that selects, it seems to work nicely,
> so I think this is the fix.  The custom has been to select the
> attributes rather than depend on them anyway.  There's also no need to
> depend on SCSI since the whole thing is enclosed in an if SCSI_LOWLEVEL
> && SCSI.
> 
> James
> 
> ---
> 
> 
> diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
> index 0e5e084..9f4cc8e 100644
> --- a/drivers/scsi/Kconfig
> +++ b/drivers/scsi/Kconfig
> @@ -607,13 +607,12 @@ config SCSI_FLASHPOINT
>  
>  config LIBFC
>  	tristate "LibFC module"
> -	depends on SCSI && SCSI_FC_ATTRS
> +	select SCSI_FC_ATTRS
>  	---help---
>  	  Fibre Channel library module
>  
>  config FCOE
>  	tristate "FCoE module"
> -	depends on SCSI
>  	select LIBFC
>  	---help---
>  	  Fibre Channel over Ethernet module
> 
> 

This still has a build error when CONFIG_PCI=n:


linux-next-20081229/drivers/scsi/fcoe/fc_transport_fcoe.c: In function 'fcoe_load_transport_driver':
linux-next-20081229/drivers/scsi/fcoe/fc_transport_fcoe.c:324: error: 'pci_bus_type' undeclared (first use in this function)
make[4]: *** [drivers/scsi/fcoe/fc_transport_fcoe.o] Error 1



-- 
~Randy
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