Author: mjacob
Date: Tue Aug 17 17:11:15 2010
New Revision: 211434
URL: http://svn.freebsd.org/changeset/base/211434
Log:
Now is as good a time as any to find out if we induce breakage
by issueing aborts for any pending commands when we're decommssioning
a disk.
MFC after: 3 months
Modified:
head/sys/cam/scsi/scsi_da.c
Modified: head/sys/cam/scsi/scsi_da.c
==============================================================================
--- head/sys/cam/scsi/scsi_da.c Tue Aug 17 16:41:16 2010 (r211433)
+++ head/sys/cam/scsi/scsi_da.c Tue Aug 17 17:11:15 2010 (r211434)
@@ -958,6 +958,8 @@ dainit(void)
static void
daoninvalidate(struct cam_periph *periph)
{
+ struct ccb_abort cab;
+ struct ccb_hdr *ccb_h, *ccb_h_t;
struct da_softc *softc;
softc = (struct da_softc *)periph->softc;
@@ -967,15 +969,29 @@ daoninvalidate(struct cam_periph *periph
*/
xpt_register_async(0, daasync, periph, periph->path);
+ /*
+ * Invalidate the pack label
+ */
softc->flags |= DA_FLAG_PACK_INVALID;
/*
* Return all queued I/O with ENXIO.
- * XXX Handle any transactions queued to the card
- * with XPT_ABORT_CCB.
*/
bioq_flush(&softc->bio_queue, NULL, ENXIO);
+ /*
+ * Issue aborts for any pending commands.
+ */
+ xpt_setup_ccb(&cab.ccb_h, periph->path, CAM_PRIORITY_NORMAL+1);
+ cab.ccb_h.func_code = XPT_ABORT;
+ LIST_FOREACH_SAFE(ccb_h, &softc->pending_ccbs, periph_links.le,
ccb_h_t) {
+ cab.abort_ccb = (union ccb *)ccb_h;
+ xpt_action((union ccb *)&cab);
+ }
+
+ /*
+ * This disk is *history*....
+ */
disk_gone(softc->disk);
xpt_print(periph->path, "lost device\n");
}
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