geom/journal/g_journal.c

800 	off_t cstart, cend;
809 		cstart = cbp->bio_offset;
824 		} else if (nend <= cstart) {
846 		} else if (nstart <= cstart && nend >= cend) {
871 				gj_free(cbp->bio_data, cend - cstart);
886 		} else if (nstart > cstart && nend >= cend) {
902 			cbp->bio_length = nstart - cstart;
905 				    cbp->bio_length, cend - cstart);
913 		} else if (nstart > cstart && nend < cend) {
932 				tmpdata = cbp->bio_data + nend - cstart;
934 			    cbp->bio_joffset + nend - cstart, tmpdata, flags);
937 			cbp->bio_length = nstart - cstart;
940 				    cbp->bio_length, cend - cstart);
945 		} else if (nstart <= cstart && nend < cend) {
966 			cbp->bio_joffset += nend - cstart;
972 					bcopy(tmpdata + nend - cstart,
975 				gj_free(tmpdata, cend - cstart);
1477 	off_t cstart, cend;
1483 		cstart = MAX(ostart, bp->bio_offset);
1487 		else if (cstart >= oend) {
1497 		GJ_DEBUG(3, "READ(%p): (%jd, %jd) (bp=%p)", head, cstart, cend,
1499 		bcopy(bp->bio_data + cstart - bp->bio_offset,
1500 		    pbp->bio_data + cstart - pbp->bio_offset, cend - cstart);
1501 		pbp->bio_completed += cend - cstart;
1522 	off_t cstart, cend;
1526 		cstart = MAX(ostart, bp->bio_offset);
1530 		else if (cstart >= oend)
1534 		GJ_DEBUG(3, "READ(%p): (%jd, %jd) (bp=%p)", head, cstart, cend,
1536 		bcopy(bp->bio_data + cstart - bp->bio_offset,
1537 		    pbp->bio_data + cstart - pbp->bio_offset, cend - cstart);
1538 		pbp->bio_completed += cend - cstart;
1568 	off_t cstart, cend;
1573 	cstart = cend = -1;
1616 			cstart = MAX(ostart, bp->bio_offset);
1619 			    i, (intmax_t)cstart, (intmax_t)cend);
1628 			    pbp->bio_data + cstart - pbp->bio_offset;
1630 			    bp->bio_joffset + cstart - bp->bio_offset;
1631 			nbp->bio_length = cend - cstart;
1639 		if (ostart < cstart)
1640 			g_journal_read(sc, pbp, ostart, cstart);