svn commit: r207933 - head/sys/cam/scsi
Matt Jacob
mjacob at FreeBSD.org
Tue May 11 22:22:02 UTC 2010
Author: mjacob
Date: Tue May 11 22:22:01 2010
New Revision: 207933
URL: http://svn.freebsd.org/changeset/base/207933
Log:
Deal sensibly with more than 26 sg devices. It isn't a complete
solution.
Sponsored by: Panasas
MFC after: 1 week
Modified:
head/sys/cam/scsi/scsi_sg.c
Modified: head/sys/cam/scsi/scsi_sg.c
==============================================================================
--- head/sys/cam/scsi/scsi_sg.c Tue May 11 21:07:47 2010 (r207932)
+++ head/sys/cam/scsi/scsi_sg.c Tue May 11 22:22:01 2010 (r207933)
@@ -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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