bsd/vfs/vfs_cluster.c

383         struct ubc_info		*ubc;
386 	ubc = vp->v_ubcinfo;
388         if ((rap = ubc->cl_rahead) == NULL) {
397 		if (ubc->cl_rahead == NULL)
398 		        ubc->cl_rahead = rap;
402 			rap = ubc->cl_rahead;
429         struct ubc_info *ubc;
432 	ubc = vp->v_ubcinfo;
434         if ((wbp = ubc->cl_wbehind) == NULL) {
446 		if (ubc->cl_wbehind == NULL)
447 		        ubc->cl_wbehind = wbp;
451 			wbp = ubc->cl_wbehind;
5125 cluster_release(struct ubc_info *ubc)
5130 	if ((wbp = ubc->cl_wbehind)) {
5132 	        KERNEL_DEBUG((FSDBG_CODE(DBG_FSRW, 81)) | DBG_FUNC_START, ubc, wbp->cl_scmap, 0, 0, 0);
5137 	        KERNEL_DEBUG((FSDBG_CODE(DBG_FSRW, 81)) | DBG_FUNC_START, ubc, 0, 0, 0, 0);
5140 	rap = ubc->cl_rahead;
5146 	if ((rap = ubc->cl_rahead)) {
5150 	ubc->cl_rahead  = NULL;
5151 	ubc->cl_wbehind = NULL;
5153 	KERNEL_DEBUG((FSDBG_CODE(DBG_FSRW, 81)) | DBG_FUNC_END, ubc, rap, wbp, 0, 0);