geom/vinum/geom_vinum_raid5.c

53 gv_raid5_start(struct gv_plex *p, struct bio *bp, caddr_t addr, off_t boff,
63 	wp->bio = bp;
68 	if (bp->bio_pflags & GV_BIO_REBUILD)
69 		err = gv_raid5_rebuild(p, wp, bp, addr, boff, bcount);
70 	else if (bp->bio_pflags & GV_BIO_CHECK)
71 		err = gv_raid5_check(p, wp, bp, addr, boff, bcount);
73 		err = gv_raid5_request(p, wp, bp, addr, boff, bcount, &delay);
85 		G_VINUM_LOGREQ(0, bp, "raid5 plex request failed.");
105 			if (wp->bio != bp)
126 		if (bp->bio_pflags & GV_BIO_INTERNAL) {
127 			if (bp->bio_pflags & GV_BIO_MALLOC)
128 				g_free(bp->bio_data);
129 			g_destroy_bio(bp);
135 		g_io_deliver(bp, err);
147 gv_stripe_active(struct gv_plex *p, struct bio *bp)
152 	wp = bp->bio_caller2;
176 gv_raid5_check(struct gv_plex *p, struct gv_raid5_packet *wp, struct bio *bp,
221 		cbp = gv_raid5_clone_bio(bp, s, wp, NULL, 1);
229 		bq->bp = cbp;
234 	cbp = gv_raid5_clone_bio(bp, parity, wp, NULL, 1);
244 	cbp = gv_raid5_clone_bio(bp, parity, wp, addr, 1);
254 gv_raid5_rebuild(struct gv_plex *p, struct gv_raid5_packet *wp, struct bio *bp,
283 		if (!(bp->bio_pflags & GV_BIO_REBUILD))
316 		cbp = gv_raid5_clone_bio(bp, s, wp, NULL, 1);
324 		bq->bp = cbp;
329 	cbp = gv_raid5_clone_bio(bp, broken, wp, NULL, 1);
343     struct bio *bp, caddr_t addr, off_t boff, off_t bcount, int *delay)
352 	gp = bp->bio_to->geom;
377 		bioq_disksort(p->rqueue, bp);
405 	    bp->bio_pflags & GV_BIO_SYNCREQ && bp->bio_cmd == BIO_WRITE) {
426 		bioq_disksort(p->rqueue, bp);
431 	switch (bp->bio_cmd) {
447 				cbp = gv_raid5_clone_bio(bp, s, wp, NULL, 1);
454 				bq->bp = cbp;
460 			cbp = gv_raid5_clone_bio(bp, original, wp, addr, 0);
487 				cbp = gv_raid5_clone_bio(bp, s, wp, NULL, 1);
495 				bq->bp = cbp;
500 			cbp = gv_raid5_clone_bio(bp, parity, wp, NULL, 1);
510 			cbp = gv_raid5_clone_bio(bp, original, wp, addr, 1);
517 			bq->bp = cbp;
527 			cbp = gv_raid5_clone_bio(bp, parity, wp, NULL, 1);
535 			bq->bp = cbp;
539 			cbp = gv_raid5_clone_bio(bp, original, wp, NULL, 1);
547 			bq->bp = cbp;
551 			cbp = gv_raid5_clone_bio(bp, original, wp, addr, 1);
563 			cbp = gv_raid5_clone_bio(bp, parity, wp, NULL, 1);
643 gv_raid5_clone_bio(struct bio *bp, struct gv_sd *s, struct gv_raid5_packet *wp,
648 	cbp = g_clone_bio(bp);