src/afs/HPUX/osi_vcache.c

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 #include <afsconfig.h>
  11 #include "afs/param.h"
  12
  13 #include "afs/sysincludes.h"    /*Standard vendor system headers */
  14 #include "afsincludes.h"        /*AFS-based standard headers */
  15
  16 int
  17 osi_TryEvictVCache(struct vcache *avc, int *slept, int defersleep) {
  18     int code;
  19
  20     /* we can't control whether we sleep */
  21     if (!VREFCOUNT_GT(avc,0)
  22         && avc->opens == 0 && (avc->f.states & CUnlinkedDel) == 0) {
  23         code = afs_FlushVCache(avc, slept);
  24         if (code == 0)
  25             return 1;
  26     }
  27     return 0;
  28 }
  29
  30 struct vcache *
  31 osi_NewVnode(void) {
  32     return afs_osi_Alloc(sizeof(struct vcache));
  33 }
  34
  35 void
  36 osi_PrePopulateVCache(struct vcache *avc) {
  37     memset(avc, 0, sizeof(struct vcache));
  38
  39     avc->flushDV.low = avc->flushDV.high = AFS_MAXDV;
  40 }
  41
  42 void
  43 osi_AttachVnode(struct vcache *avc, int seq) {
  44 }
  45
  46 void
  47 osi_PostPopulateVCache(struct vcache *avc) {
  48     AFSTOV(avc)->v_op = afs_ops;
  49     avc->v.v_vfsp = afs_globalVFS;
  50     vSetType(avc, VREG);
  51 }
  52