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- Add missig xpt_schedule() call for cases when requested immediate CCB

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priority is lower then payload/TUR one.

- Reduce TUR priority and avoid sending them if there are any other
outstanding commands, alike to DA driver.
This commit is contained in:
Alexander Motin 2013-01-11 19:11:56 +00:00
parent 22c2069fc3
commit c7cbfddd2b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=245310
1 changed files with 8 additions and 5 deletions
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13
sys/cam/scsi/scsi_cd.c
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@ -581,7 +581,7 @@ cdasync(void *callback_arg, u_int32_t code,
if (softc->state == CD_STATE_NORMAL && !softc->tur) {
if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
softc->tur = 1;
xpt_schedule(periph, CAM_PRIORITY_DEV);
xpt_schedule(periph, CAM_PRIORITY_NORMAL);
}
}
/* FALLTHROUGH */
@ -1612,9 +1612,11 @@ cdstart(struct cam_periph *periph, union ccb *start_ccb)
xpt_action(start_ccb);
}
if (bp != NULL || softc->tur) {
if (bp != NULL || softc->tur ||
periph->immediate_priority != CAM_PRIORITY_NONE) {
/* Have more work to do, so ensure we stay scheduled */
xpt_schedule(periph, CAM_PRIORITY_NORMAL);
xpt_schedule(periph, min(CAM_PRIORITY_NORMAL,
periph->immediate_priority));
}
break;
}
@ -3293,10 +3295,11 @@ cdmediapoll(void *arg)
if (softc->flags & CD_FLAG_CHANGER)
return;
if (softc->state == CD_STATE_NORMAL && !softc->tur) {
if (softc->state == CD_STATE_NORMAL && !softc->tur &&
softc->outstanding_cmds == 0) {
if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
softc->tur = 1;
xpt_schedule(periph, CAM_PRIORITY_DEV);
xpt_schedule(periph, CAM_PRIORITY_NORMAL);
}
}
/* Queue us up again */