geom/union/g_union.c

801 	struct bio *cbp;
826 	cbp = g_clone_bio(bp);
827 	if (cbp == NULL) {
831 	cbp->bio_offset = bp->bio_offset + sc->sc_offset;
832 	cbp->bio_done = g_std_done;
834 	switch (cbp->bio_cmd) {
836 		G_UNION_LOGREQ(cbp, "Delete request received.");
840 		G_UNION_LOGREQ(cbp, "Getattr request received.");
842 		if (strcmp(cbp->bio_attribute, "GEOM::kerneldump") != 0)
848 		G_UNION_LOGREQ(cbp, "Flush request received.");
852 		G_UNION_LOGREQ(cbp, "Speedup request received.");
856 		G_UNION_LOGREQ(cbp, "Cmd0 request received.");
860 		G_UNION_LOGREQ(cbp, "Cmd1 request received.");
864 		G_UNION_LOGREQ(cbp, "Cmd2 request received.");
868 		G_UNION_LOGREQ(cbp, "Unknown (%d) request received.",
869 		    cbp->bio_cmd);
872 	g_io_request(cbp, sc->sc_uppercp);
884 	struct bio *cbp, *firstbp;
936 	cbp = g_clone_bio(wip->wip_bp);
937 	if (cbp == NULL) {
947 	cbp->bio_caller1 = wip;
948 	cbp->bio_done = g_union_done;
949 	cbp->bio_offset = wip->wip_start;
955 	if (cbp->bio_cmd == BIO_WRITE) {
956 		G_UNION_LOGREQ(cbp, "Sending %jd byte write request to upper "
957 		    "level.", cbp->bio_length);
959 		atomic_add_long(&sc->sc_wrotebytes, cbp->bio_length);
960 		g_io_request(cbp, sc->sc_uppercp);
978 	atomic_add_long(&sc->sc_readbytes, cbp->bio_length);
979 	rdlen = cbp->bio_length;
982 		if (g_union_getmap(cbp, sc, &len2rd)) {
994 			    3 : 4, cbp, "Sending %jd byte read "
996 			g_io_request(cbp, cp);
999 		cbp->bio_length = len2rd;
1000 		if ((cbp->bio_flags & BIO_UNMAPPED) != 0)
1001 			cbp->bio_ma_offset += offset;
1003 			cbp->bio_data += offset;
1006 		G_UNION_LOGREQLVL(3, cbp, "Sending %jd byte read "
1016 			g_io_request(cbp, cp);
1018 			firstbp = cbp;
1024 		cbp = g_clone_bio(wip->wip_bp);
1025 		if (cbp == NULL) {
1030 		cbp->bio_caller1 = wip;
1031 		cbp->bio_done = g_union_done;
1032 		cbp->bio_offset += offset;
1033 		cbp->bio_length = rdlen;