bsd/vfs/vfs_cluster.c

601 	buf_t	cbp;
624 		for (cbp = cbp_head; cbp; cbp = cbp->b_trans_next) {
629 			if ( !(cbp->b_flags & B_TDONE)) {
632 					     cbp_head, cbp, cbp->b_bcount, cbp->b_flags, 0);
641 			if (cbp->b_flags & B_EOT)
659 	cbp        = cbp_head;
660 	upl_offset = cbp->b_uploffset;
661 	upl        = cbp->b_upl;
662 	b_flags    = cbp->b_flags;
663 	real_bp    = cbp->b_real_bp;
664 	zero_offset= cbp->b_validend;
665 	iostate    = (struct clios *)cbp->b_iostate;
668 	        real_bp->b_dev = cbp->b_dev;
670 	while (cbp) {
671 		if ((cbp->b_flags & B_ERROR) && error == 0)
672 		        error = cbp->b_error;
674 		total_resid += cbp->b_resid;
675 		total_size  += cbp->b_bcount;
677 		cbp_next = cbp->b_trans_next;
686 			transaction_size = cbp->b_uploffset + cbp->b_bcount - upl_offset;
688 		if (cbp != cbp_head)
689 		        free_io_buf(cbp);
691 		cbp = cbp_next;
837         buf_t	cbp;
853 		for (cbp = cbp_head; cbp; cbp = cbp->b_trans_next)
854 		      cbp->b_flags |= B_TWANTED;
858 	for (cbp = cbp_head; cbp; cbp = cbp->b_trans_next) {
861 			while (!ISSET(cbp->b_flags, B_TDONE)) {
865 				if (!ISSET(cbp->b_flags, B_TDONE)) {
866 					DTRACE_IO1(wait__start, buf_t, cbp);
867 					(void) msleep(cbp, cl_transaction_mtxp, PDROP | (PRIBIO+1), "cluster_wait_IO", NULL);
868 					DTRACE_IO1(wait__done, buf_t, cbp);
873 		        buf_biowait(cbp);
880         buf_t	cbp;
889 	        for (cbp = *cbp_head; cbp; cbp = cbp->b_trans_next)
890 		        buf_biowait(cbp);
897 	for (cbp = *cbp_head; cbp; cbp = cbp->b_trans_next)
898 		cbp->b_flags |= B_TDONE;
914 	buf_t	cbp;
1188                                 for (last_cbp = cbp = cbp_head; cbp->b_trans_next; cbp = cbp->b_trans_next)
1189 				        last_cbp = cbp;
1191 				cbp->b_bcount &= ~PAGE_MASK;
1193 				if (cbp->b_bcount == 0) {
1197 				        free_io_buf(cbp);
1199 					if (cbp == cbp_head) {
1451 		cbp = alloc_io_buf(vp, priv);
1462 		        if (buf_setcallback(cbp, (void *)cluster_iodone, callback_arg))
1465 		cbp->b_cliodone = (void *)callback;
1466 		cbp->b_flags |= io_flags;
1468 			cbp->b_attr.ba_flags |= BA_NOCACHE;
1470 		cbp->b_lblkno = lblkno;
1471 		cbp->b_blkno  = blkno;
1472 		cbp->b_bcount = io_size;
1474 		if (buf_setupl(cbp, upl, upl_offset))
1477 		cbp->b_trans_next = (buf_t)NULL;
1479 		if ((cbp->b_iostate = (void *)iostate))
1488 				     (int)cbp->b_lblkno, (int)cbp->b_blkno, upl_offset, io_size, 0);
1492 				     (int)cbp->b_lblkno, (int)cbp->b_blkno, upl_offset, io_size, 0);
1496 		        cbp_tail->b_trans_next = cbp;
1497 			cbp_tail = cbp;
1499 		        cbp_head = cbp;
1500 			cbp_tail = cbp;
1505 		*(buf_t *)(&cbp->b_trans_head) = cbp_head;
1566 			cbp->b_attr.ba_flags |= BA_RAW_ENCRYPTED_IO;
1569 		(void) VNOP_STRATEGY(cbp);
1598 			for (cbp = cbp_head; cbp;) {
1601 				size       += cbp->b_bcount;
1602 				io_size    += cbp->b_bcount;
1604 				cbp_next = cbp->b_trans_next;
1605 				free_io_buf(cbp);
1606 				cbp = cbp_next;