65 	wp->parity = NULL;  in gv_raid5_start()
96 		if (wp->parity != NULL) {  in gv_raid5_start()
97 			if (wp->parity->bio_cflags & GV_BIO_MALLOC)  in gv_raid5_start()
98 				g_free(wp->parity->bio_data);  in gv_raid5_start()
99 			gv_drive_done(wp->parity->bio_caller1);  in gv_raid5_start()
100 			g_destroy_bio(wp->parity);  in gv_raid5_start()
179 	struct gv_sd *parity, *s;  in gv_raid5_check()  local
191 	parity = NULL;  in gv_raid5_check()
195 			parity = s;  in gv_raid5_check()
201 	/* Parity stripe not found. */  in gv_raid5_check()
202 	if (parity == NULL)  in gv_raid5_check()
205 	if (parity->state != GV_SD_UP)  in gv_raid5_check()
214 		/* Skip the parity subdisk. */  in gv_raid5_check()
215 		if (s == parity)  in gv_raid5_check()
233 	/* Read the parity data. */  in gv_raid5_check()
234 	cbp = gv_raid5_clone_bio(bp, parity, wp, NULL, 1);  in gv_raid5_check()
241 	 * In case we want to rebuild the parity, create an extra BIO to write  in gv_raid5_check()
244 	cbp = gv_raid5_clone_bio(bp, parity, wp, addr, 1);  in gv_raid5_check()
247 	wp->parity = cbp;  in gv_raid5_check()
328 	/* Write the parity data. */  in gv_raid5_rebuild()
332 	wp->parity = cbp;  in gv_raid5_rebuild()
345 	struct gv_sd *broken, *original, *parity, *s;  in gv_raid5_request()  local
360 	original = parity = broken = NULL;  in gv_raid5_request()
387 			parity = s;  in gv_raid5_request()
393 	if ((original == NULL) || (parity == NULL))  in gv_raid5_request()
401 	if (original->state == GV_SD_STALE && parity->state == GV_SD_STALE &&  in gv_raid5_request()
404 	/* Our parity stripe is missing. */  in gv_raid5_request()
405 	} else if (parity->state != GV_SD_UP) {  in gv_raid5_request()
432 		 * the broken one plus the parity stripe and then recalculate  in gv_raid5_request()
471 		 * recalculate the parity from the original data, and then  in gv_raid5_request()
472 		 * write the parity stripe back out.  in gv_raid5_request()
477 				/* Skip the broken and the parity subdisk. */  in gv_raid5_request()
478 				if ((s == broken) || (s == parity))  in gv_raid5_request()
496 			/* Write the parity data. */  in gv_raid5_request()
497 			cbp = gv_raid5_clone_bio(bp, parity, wp, NULL, 1);  in gv_raid5_request()
501 			wp->parity = cbp;  in gv_raid5_request()
504 		 * When the parity stripe is missing we just write out the data.  in gv_raid5_request()
519 		 * read in all other stripes, recalculate the parity and write  in gv_raid5_request()
520 		 * out the parity again.  in gv_raid5_request()
523 			/* Read old parity. */  in gv_raid5_request()
524 			cbp = gv_raid5_clone_bio(bp, parity, wp, NULL, 1);  in gv_raid5_request()
559 			/* The final bio for the parity. */  in gv_raid5_request()
560 			cbp = gv_raid5_clone_bio(bp, parity, wp, NULL, 1);  in gv_raid5_request()
564 			/* Remember that this is the BIO for the parity data. */  in gv_raid5_request()
565 			wp->parity = cbp;  in gv_raid5_request()
599 	/* The number of the subdisk containing the parity stripe. */  in gv_raid5_offset()
612 	/* At or past parity subdisk. */  in gv_raid5_offset()