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

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Date:	Tue, 30 Dec 2008 09:44:29 -0600
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	Randy Dunlap <randy.dunlap@...cle.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)

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


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