On Wed, 2007-09-26 at 13:56 +0900, FUJITA Tomonori wrote:
> On Tue, 25 Sep 2007 22:45:53 -0500
> James Bottomley <[EMAIL PROTECTED]> wrote:
>
> > On Tue, 2007-09-25 at 23:34 -0400, Jeff Garzik wrote:
> > > Matthew Wilcox wrote:
> > > > On Tue, Sep 25, 2007 at 10:37:33PM -0400, Jeff Garzik wrote:
> > > >> Are there any const-ness worries for scsi_host_template, or plans for
> > > >> the future? I do not see any other examples of the host template
> > > >> members getting modified.
> > > >
> > > > Goodness, Jeff, you haven't looked too hard. There's dozens of examples
> > > > I've come across trawling the horrible unmaintained drivers. I'd love
> > > > to see scsi_host_template become const, but it's not happening any time
> > > > soon, and we can address this little piece when the time comes.
> > >
> > > Well, sure, the driver is the owner of that memory.
> > >
> > > We're talking about common code.
> > >
> > > If everybody agrees SHT is R/W in the core, Fujita-san's patch is fine.
> >
> > Well, I don't like mucking with the template either.
> >
> > This whole mess is generated basically because the zero default of the
> > template should be treated as initiator. How about this, which makes
> > that manifest?
> >
> > James
> >
> > diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
> > index adc9559..7e26440 100644
> > --- a/drivers/scsi/hosts.c
> > +++ b/drivers/scsi/hosts.c
> > @@ -342,7 +342,11 @@ struct Scsi_Host *scsi_host_alloc(struct
> > scsi_host_template *sht, int privsize)
> > shost->unchecked_isa_dma = sht->unchecked_isa_dma;
> > shost->use_clustering = sht->use_clustering;
> > shost->ordered_tag = sht->ordered_tag;
> > - shost->active_mode = sht->supported_mode;
> > + if (sht->supported_mode == MODE_UNKNOWN)
> > + /* means we didn't set it ... default to INITIATOR */
> > + shost->active_mode = MODE_INITIATOR;
> > + else
> > + shost->active_mode = sht->supported_mode;
> >
> > if (sht->max_host_blocked)
> > shost->max_host_blocked = sht->max_host_blocked;
> > diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
> > index 0088c4d..4965e9e 100644
> > --- a/drivers/scsi/scsi_sysfs.c
> > +++ b/drivers/scsi/scsi_sysfs.c
> > @@ -209,11 +209,13 @@ show_shost_mode(unsigned int mode, char *buf)
> > static ssize_t show_shost_supported_mode(struct class_device *class_dev,
> > char *buf)
> > {
> > struct Scsi_Host *shost = class_to_shost(class_dev);
> > + unsigned int supported_mode = shost->hostt->supported_mode;
> >
> > - if (shost->hostt->supported_mode == MODE_UNKNOWN)
> > - return snprintf(buf, 20, "unknown\n");
> > - else
> > - return show_shost_mode(shost->hostt->supported_mode, buf);
> > + if (supported_mode == MODE_UNKNOWN)
> > + /* by default this should be initiator */
> > + supported_mode = MODE_INITIATOR;
> > +
> > + return show_shost_mode(shost->hostt->supported_mode, buf);
>
> should be:
>
> return show_shost_mode(supported_mode, buf);
Yes, sorry ... code in haste etc.
James
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