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805e021f CE |
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))))) |