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Higher-priority initialization request can eat request scheduling done from

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adaclose(). Add immediate_priority check into adaschedule() to restore it.

Approved by:	re (kib)
MFC after:	1 week
This commit is contained in:
Alexander Motin 2011-07-30 21:42:53 +00:00
parent 88e14bfb6a
commit 10a6c3584a
1 changed files with 10 additions and 2 deletions
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12
sys/cam/ata/ata_da.c
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@ -484,12 +484,20 @@ static void
adaschedule(struct cam_periph *periph)
{
struct ada_softc *softc = (struct ada_softc *)periph->softc;
uint32_t prio;
/* Check if cam_periph_getccb() was called. */
prio = periph->immediate_priority;
/* Check if we have more work to do. */
if (bioq_first(&softc->bio_queue) ||
(!softc->trim_running && bioq_first(&softc->trim_queue))) {
/* Have more work to do, so ensure we stay scheduled */
xpt_schedule(periph, CAM_PRIORITY_NORMAL);
prio = CAM_PRIORITY_NORMAL;
}
/* Schedule CCB if any of above is true. */
if (prio != CAM_PRIORITY_NONE)
xpt_schedule(periph, prio);
}
/*