refcnt             68 kernel/bio.c         b->refcnt++;
refcnt             78 kernel/bio.c       if(b->refcnt == 0) {
refcnt             82 kernel/bio.c         b->refcnt = 1;
refcnt            125 kernel/bio.c     b->refcnt--;
refcnt            126 kernel/bio.c     if (b->refcnt == 0) {
refcnt            142 kernel/bio.c     b->refcnt++;
refcnt            149 kernel/bio.c     b->refcnt--;
refcnt              7 kernel/buf.h     uint refcnt;