linux-kernel - Re: [PATCH 1/2] Add SATA support to libsas

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Date:	Fri, 25 Aug 2006 22:21:20 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	Konrad Rzeszutek <konradr@...ibm.com>
Cc:	"Darrick J. Wong" <djwong@...ibm.com>, linux-scsi@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Alexis Bruemmer <alexisb@...ibm.com>
Subject: Re: [PATCH 1/2] Add SATA support to libsas

On Fri, Aug 25, 2006 at 03:43:38PM -0400, Konrad Rzeszutek wrote:
> On Thu, Aug 10, 2006 at 07:19:47PM -0700, Darrick J. Wong wrote:
> > Hook the scsi_host_template functions in libsas to delegate
> > functionality to libata when appropriate.
> > 
> > Signed-off-by: Darrick J. Wong <djwong@...ibm.com>
> > 
> > diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
> > index b0705ee..76bbb9f 100644
> > --- a/drivers/scsi/libsas/sas_discover.c
> > +++ b/drivers/scsi/libsas/sas_discover.c
> 
> (...)
> 
> >  /* ---------- Domain device ---------- */
> > @@ -626,4 +634,8 @@ void sas_unregister_devices(struct sas_h
> >  
> >  void sas_init_dev(struct domain_device *);
> >  
> > +extern void sas_target_destroy(struct scsi_target *);
> > +extern int sas_slave_alloc(struct scsi_device *);
> > +extern int sas_ioctl(struct scsi_device *sdev, int cmd, void __user *arg);
> > +
> 
> Those should not be 'extern' otherwise the EXPORT_SYMBOL functions 
> won't be found when the aic94xx is built as a module.

The "extern"s can be dropped since they don't have any effect, but 
I don't see what problem you are thinking of.

cu
Adrian

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