| 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 | /* |
| 11 | * This package is used to actively manage the expiration of callbacks, |
| 12 | * so that the rest of the cache manager doesn't need to compute |
| 13 | * whether a callback has expired or not, but can tell with one simple |
| 14 | * check, that is, whether the CStatd bit is on or off. |
| 15 | */ |
| 16 | |
| 17 | /* how many seconds in a slot */ |
| 18 | #define CBHTSLOTLEN 128 |
| 19 | /* how many slots in the table */ |
| 20 | #define CBHTSIZE 128 |
| 21 | /* 7 is LOG2(slotlen) */ |
| 22 | #define CBHash(t) ((t)>>7) |
| 23 | |
| 24 | #define CBQTOV(e) ((struct vcache *)(((char *) (e)) - (((char *)(&(((struct vcache *)(e))->callsort))) - ((char *)(e))))) |