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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 | #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 | { | |
19 | int code; | |
20 | ||
21 | /* Perhaps this function should use vgone() or vrecycle() instead. */ | |
22 | ||
23 | if ((afs_debug & AFSDEB_GENERAL) != 0) { | |
24 | printf("%s enter\n", __func__); | |
25 | } | |
26 | ||
27 | if (osi_VM_FlushVCache(avc) != 0) { | |
28 | code = 0; | |
29 | } else { | |
30 | code = 1; | |
31 | } | |
32 | ||
33 | if ((afs_debug & AFSDEB_GENERAL) != 0) { | |
34 | printf("%s exit %d\n", __func__, code); | |
35 | } | |
36 | ||
37 | return code; | |
38 | } | |
39 | ||
40 | struct vcache * | |
41 | osi_NewVnode(void) | |
42 | { | |
43 | struct vcache *tvc; | |
44 | ||
45 | tvc = afs_osi_Alloc(sizeof(struct vcache)); | |
46 | tvc->v = NULL; /* important to clean this, or use memset 0 */ | |
47 | ||
48 | return tvc; | |
49 | } | |
50 | ||
51 | void | |
52 | osi_PrePopulateVCache(struct vcache *avc) | |
53 | { | |
54 | memset(avc, 0, sizeof(struct vcache)); | |
55 | } | |
56 | ||
57 | void | |
58 | osi_AttachVnode(struct vcache *avc, int seq) | |
59 | { | |
60 | ReleaseWriteLock(&afs_xvcache); | |
61 | AFS_GUNLOCK(); | |
62 | afs_nbsd_getnewvnode(avc); /* includes one refcount */ | |
63 | AFS_GLOCK(); | |
64 | ObtainWriteLock(&afs_xvcache,337); | |
65 | #ifndef AFS_NBSD50_ENV | |
66 | lockinit(&avc->rwlock, PINOD, "vcache", 0, 0); | |
67 | #endif | |
68 | } | |
69 | ||
70 | void | |
71 | osi_PostPopulateVCache(struct vcache *avc) | |
72 | { | |
73 | AFSTOV(avc)->v_mount = afs_globalVFS; | |
74 | vSetType(avc, VREG); | |
75 | } | |
76 |