diff options
Diffstat (limited to 'fs/afs/cell.h')
-rw-r--r-- | fs/afs/cell.h | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/fs/afs/cell.h b/fs/afs/cell.h deleted file mode 100644 index 48349108fb00..000000000000 --- a/fs/afs/cell.h +++ /dev/null | |||
@@ -1,78 +0,0 @@ | |||
1 | /* cell.h: AFS cell record | ||
2 | * | ||
3 | * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved. | ||
4 | * Written by David Howells (dhowells@redhat.com) | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version | ||
9 | * 2 of the License, or (at your option) any later version. | ||
10 | */ | ||
11 | |||
12 | #ifndef _LINUX_AFS_CELL_H | ||
13 | #define _LINUX_AFS_CELL_H | ||
14 | |||
15 | #include "types.h" | ||
16 | #include "cache.h" | ||
17 | |||
18 | #define AFS_CELL_MAX_ADDRS 15 | ||
19 | |||
20 | extern volatile int afs_cells_being_purged; /* T when cells are being purged by rmmod */ | ||
21 | |||
22 | /*****************************************************************************/ | ||
23 | /* | ||
24 | * entry in the cached cell catalogue | ||
25 | */ | ||
26 | struct afs_cache_cell | ||
27 | { | ||
28 | char name[64]; /* cell name (padded with NULs) */ | ||
29 | struct in_addr vl_servers[15]; /* cached cell VL servers */ | ||
30 | }; | ||
31 | |||
32 | /*****************************************************************************/ | ||
33 | /* | ||
34 | * AFS cell record | ||
35 | */ | ||
36 | struct afs_cell | ||
37 | { | ||
38 | atomic_t usage; | ||
39 | struct list_head link; /* main cell list link */ | ||
40 | struct list_head proc_link; /* /proc cell list link */ | ||
41 | struct proc_dir_entry *proc_dir; /* /proc dir for this cell */ | ||
42 | #ifdef AFS_CACHING_SUPPORT | ||
43 | struct cachefs_cookie *cache; /* caching cookie */ | ||
44 | #endif | ||
45 | |||
46 | /* server record management */ | ||
47 | rwlock_t sv_lock; /* active server list lock */ | ||
48 | struct list_head sv_list; /* active server list */ | ||
49 | struct list_head sv_graveyard; /* inactive server list */ | ||
50 | spinlock_t sv_gylock; /* inactive server list lock */ | ||
51 | |||
52 | /* volume location record management */ | ||
53 | struct rw_semaphore vl_sem; /* volume management serialisation semaphore */ | ||
54 | struct list_head vl_list; /* cell's active VL record list */ | ||
55 | struct list_head vl_graveyard; /* cell's inactive VL record list */ | ||
56 | spinlock_t vl_gylock; /* graveyard lock */ | ||
57 | unsigned short vl_naddrs; /* number of VL servers in addr list */ | ||
58 | unsigned short vl_curr_svix; /* current server index */ | ||
59 | struct in_addr vl_addrs[AFS_CELL_MAX_ADDRS]; /* cell VL server addresses */ | ||
60 | |||
61 | char name[0]; /* cell name - must go last */ | ||
62 | }; | ||
63 | |||
64 | extern int afs_cell_init(char *rootcell); | ||
65 | |||
66 | extern int afs_cell_create(const char *name, char *vllist, struct afs_cell **_cell); | ||
67 | |||
68 | extern int afs_cell_lookup(const char *name, unsigned nmsize, struct afs_cell **_cell); | ||
69 | |||
70 | #define afs_get_cell(C) do { atomic_inc(&(C)->usage); } while(0) | ||
71 | |||
72 | extern struct afs_cell *afs_get_cell_maybe(struct afs_cell **_cell); | ||
73 | |||
74 | extern void afs_put_cell(struct afs_cell *cell); | ||
75 | |||
76 | extern void afs_cell_purge(void); | ||
77 | |||
78 | #endif /* _LINUX_AFS_CELL_H */ | ||