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.");
103 			if (wp->bio != bp)
123 		if (bp->bio_pflags & GV_BIO_INTERNAL) {
124 			if (bp->bio_pflags & GV_BIO_MALLOC)
125 				g_free(bp->bio_data);
126 			g_destroy_bio(bp);
132 		g_io_deliver(bp, err);
144 gv_stripe_active(struct gv_plex *p, struct bio *bp)
149 	wp = bp->bio_caller2;
173 gv_raid5_check(struct gv_plex *p, struct gv_raid5_packet *wp, struct bio *bp,
218 		cbp = gv_raid5_clone_bio(bp, s, wp, NULL, 1);
226 		bq->bp = cbp;
231 	cbp = gv_raid5_clone_bio(bp, parity, wp, NULL, 1);
241 	cbp = gv_raid5_clone_bio(bp, parity, wp, addr, 1);
251 gv_raid5_rebuild(struct gv_plex *p, struct gv_raid5_packet *wp, struct bio *bp,
280 		if (!(bp->bio_pflags & GV_BIO_REBUILD))
313 		cbp = gv_raid5_clone_bio(bp, s, wp, NULL, 1);
321 		bq->bp = cbp;
326 	cbp = gv_raid5_clone_bio(bp, broken, wp, NULL, 1);
340     struct bio *bp, caddr_t addr, off_t boff, off_t bcount, int *delay)
349 	gp = bp->bio_to->geom;
374 		bioq_disksort(p->rqueue, bp);
402 	    bp->bio_pflags & GV_BIO_SYNCREQ && bp->bio_cmd == BIO_WRITE) {
423 		bioq_disksort(p->rqueue, bp);
428 	switch (bp->bio_cmd) {
444 				cbp = gv_raid5_clone_bio(bp, s, wp, NULL, 1);
451 				bq->bp = cbp;
457 			cbp = gv_raid5_clone_bio(bp, original, wp, addr, 0);
484 				cbp = gv_raid5_clone_bio(bp, s, wp, NULL, 1);
492 				bq->bp = cbp;
497 			cbp = gv_raid5_clone_bio(bp, parity, wp, NULL, 1);
507 			cbp = gv_raid5_clone_bio(bp, original, wp, addr, 1);
514 			bq->bp = cbp;
524 			cbp = gv_raid5_clone_bio(bp, parity, wp, NULL, 1);
532 			bq->bp = cbp;
536 			cbp = gv_raid5_clone_bio(bp, original, wp, NULL, 1);
544 			bq->bp = cbp;
548 			cbp = gv_raid5_clone_bio(bp, original, wp, addr, 1);
560 			cbp = gv_raid5_clone_bio(bp, parity, wp, NULL, 1);
640 gv_raid5_clone_bio(struct bio *bp, struct gv_sd *s, struct gv_raid5_packet *wp,
645 	cbp = g_clone_bio(bp);