On 03/02/10 21:36, James Bottomley wrote: > On Sun, 2010-02-21 at 19:46 -0800, Randy Dunlap wrote: >> From: Randy Dunlap <randy.dunlap@xxxxxxxxxx> >> >> raid_class uses scsi interfaces, so it should depend on SCSI. >> Otherwise build errors occur when RAID_ATTRS=y and SCSI=m: >> >> ERROR: "raid_class_release" [drivers/scsi/mpt2sas/mpt2sas.ko] undefined! >> ERROR: "raid_class_attach" [drivers/scsi/mpt2sas/mpt2sas.ko] undefined! >> >> Signed-off-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx> >> --- >> drivers/scsi/Kconfig | 14 +++++++------- >> 1 file changed, 7 insertions(+), 7 deletions(-) >> >> --- linux-next-20100219.orig/drivers/scsi/Kconfig >> +++ linux-next-20100219/drivers/scsi/Kconfig >> @@ -1,12 +1,5 @@ >> menu "SCSI device support" >> >> -config RAID_ATTRS >> - tristate "RAID Transport Class" >> - default n >> - depends on BLOCK >> - ---help--- >> - Provides RAID >> - >> config SCSI >> tristate "SCSI device support" >> depends on BLOCK >> @@ -34,6 +27,13 @@ config SCSI_DMA >> bool >> default n >> >> +config RAID_ATTRS >> + tristate "RAID Transport Class" >> + default n >> + depends on BLOCK && SCSI >> + ---help--- >> + Provides RAID >> + > > This will fix the error, but it's not quite the right thing to do. the > RAID class should be independent of SCSI, but it wants to do a SCSI > check if SCSI is compiled in the matching routines. This gives us a > nasty dependency, the condition being that the raid class must be m if > SCSI is m. > > I think this patch does the right thing. Can someone test it on the > config checker? Or I can just put it in linux-next and have Stephen's > builds do it. Acked-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx> Thanks for the patch. > Thanks, > > James > > --- > > diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig > index 9191d1e..75f2336 100644 > --- a/drivers/scsi/Kconfig > +++ b/drivers/scsi/Kconfig > @@ -1,9 +1,15 @@ > menu "SCSI device support" > > +config SCSI_MOD > + tristate > + default y if SCSI=n || SCSI=y > + default m if SCSI=m > + > config RAID_ATTRS > tristate "RAID Transport Class" > default n > depends on BLOCK > + depends on SCSI_MOD > ---help--- > Provides RAID > > diff --git a/drivers/scsi/raid_class.c b/drivers/scsi/raid_class.c > index bd88349..2c146b4 100644 > --- a/drivers/scsi/raid_class.c > +++ b/drivers/scsi/raid_class.c > @@ -63,6 +63,7 @@ static int raid_match(struct attribute_container *cont, struct device *dev) > * emulated RAID devices, so start with SCSI */ > struct raid_internal *i = ac_to_raid_internal(cont); > > +#if defined(CONFIG_SCSI) || defined(CONFIG_SCSI_MODULE) > if (scsi_is_sdev_device(dev)) { > struct scsi_device *sdev = to_scsi_device(dev); > > @@ -71,6 +72,7 @@ static int raid_match(struct attribute_container *cont, struct device *dev) > > return i->f->is_raid(dev); > } > +#endif > /* FIXME: look at other subsystems too */ > return 0; > } > > -- ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html