Lines Matching defs:bbuf
488 caddr_t p, xp, bbuf, breg;
511 bbuf = alloca(x * 2 * BD(dev).bd_sectorsize);
512 if (((u_int32_t)VTOP(bbuf) & 0xffff0000) ==
513 ((u_int32_t)VTOP(bbuf + x * BD(dev).bd_sectorsize) & 0xffff0000)) {
514 breg = bbuf;
516 breg = bbuf + x * BD(dev).bd_sectorsize;
520 breg = bbuf = NULL;
535 xp = bbuf == NULL ? p : breg;
541 if (write && bbuf != NULL)
575 if (!write && bbuf != NULL)