Author: mjacob
Date: Fri Jun 18 04:43:22 2010
New Revision: 209280
URL: http://svn.freebsd.org/changeset/base/209280
Log:
This is an MFC of 207933
Deal sensibly with more than 26 sg devices. It isn't a complete
solution.
Modified:
stable/8/sys/cam/scsi/scsi_sg.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/xen/xenpci/ (props changed)
stable/8/sys/geom/sched/ (props changed)
Modified: stable/8/sys/cam/scsi/scsi_sg.c
==============================================================================
--- stable/8/sys/cam/scsi/scsi_sg.c Fri Jun 18 04:01:59 2010
(r209279)
+++ stable/8/sys/cam/scsi/scsi_sg.c Fri Jun 18 04:43:22 2010
(r209280)
@@ -303,7 +303,12 @@ sgregister(struct cam_periph *periph, vo
softc->dev = make_dev(&sg_cdevsw, periph->unit_number,
UID_ROOT, GID_OPERATOR, 0600, "%s%d",
periph->periph_name, periph->unit_number);
- (void)make_dev_alias(softc->dev, "sg%c", 'a' + periph->unit_number);
+ if (periph->unit_number < 26) {
+ (void)make_dev_alias(softc->dev, "sg%c", periph->unit_number +
'a');
+ } else {
+ (void)make_dev_alias(softc->dev, "sg%c%c",
+ ((periph->unit_number / 26) - 1) + 'a', periph->unit_number
+ 'a');
+ }
cam_periph_lock(periph);
softc->dev->si_drv1 = periph;
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