1034 	struct tgdk_iob *iobp;  in dadk_iob_alloc()  local
1037 	iobp = kmem_zalloc(sizeof (*iobp), kmsflg);  in dadk_iob_alloc()
1038 	if (iobp == NULL)  in dadk_iob_alloc()
1041 		kmem_free(iobp, sizeof (*iobp));  in dadk_iob_alloc()
1045 	iobp->b_psec  = LBLK2SEC(blkno, dadkp->dad_blkshf);  in dadk_iob_alloc()
1046 	iobp->b_pbyteoff = (blkno & ((1<<dadkp->dad_blkshf) - 1)) << SCTRSHFT;  in dadk_iob_alloc()
1047 	iobp->b_pbytecnt = ((iobp->b_pbyteoff + xfer + dadkp->DAD_SECSIZ - 1)  in dadk_iob_alloc()
1056 	    (size_t)iobp->b_pbytecnt, ((kmsflg == KM_SLEEP) ? 1 : 0), 0, NULL,  in dadk_iob_alloc()
1059 		kmem_free(iobp, sizeof (*iobp));  in dadk_iob_alloc()
1062 	iobp->b_flag |= IOB_BPALLOC | IOB_BPBUFALLOC;  in dadk_iob_alloc()
1063 	iobp->b_bp = bp;  in dadk_iob_alloc()
1064 	iobp->b_lblk = blkno;  in dadk_iob_alloc()
1065 	iobp->b_xfer = xfer;  in dadk_iob_alloc()
1066 	iobp->b_lblk = blkno;  in dadk_iob_alloc()
1067 	iobp->b_xfer = xfer;  in dadk_iob_alloc()
1068 	return (iobp);  in dadk_iob_alloc()
1073 dadk_iob_free(opaque_t objp, struct tgdk_iob *iobp)  in dadk_iob_free()  argument
1077 	if (iobp) {  in dadk_iob_free()
1078 		if (iobp->b_bp && (iobp->b_flag & IOB_BPALLOC)) {  in dadk_iob_free()
1079 			bp = iobp->b_bp;  in dadk_iob_free()
1080 			if (bp->b_un.b_addr && (iobp->b_flag & IOB_BPBUFALLOC))  in dadk_iob_free()
1084 		kmem_free(iobp, sizeof (*iobp));  in dadk_iob_free()
1091 dadk_iob_htoc(opaque_t objp, struct tgdk_iob *iobp)  in dadk_iob_htoc()  argument
1093 	return (iobp->b_bp->b_un.b_addr+iobp->b_pbyteoff);  in dadk_iob_htoc()
1098 dadk_iob_xfer(opaque_t objp, struct tgdk_iob *iobp, int rw)  in dadk_iob_xfer()  argument
1104 	bp = iobp->b_bp;  in dadk_iob_xfer()
1111 	bp->b_bcount = iobp->b_pbytecnt;  in dadk_iob_xfer()
1112 	SET_BP_SEC(bp, iobp->b_psec);  in dadk_iob_xfer()
1123 	bp->b_bcount = iobp->b_xfer;  in dadk_iob_xfer()
1129 	return (bp->b_un.b_addr+iobp->b_pbyteoff);  in dadk_iob_xfer()