diff options
Diffstat (limited to 'fs/afs/cell.h')
-rw-r--r-- | fs/afs/cell.h | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/fs/afs/cell.h b/fs/afs/cell.h deleted file mode 100644 index c135b00c6c75..000000000000 --- a/fs/afs/cell.h +++ /dev/null | |||
@@ -1,70 +0,0 @@ | |||
1 | /* 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 AFS_CELL_H | ||
13 | #define 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 | * entry in the cached cell catalogue | ||
24 | */ | ||
25 | struct afs_cache_cell { | ||
26 | char name[64]; /* cell name (padded with NULs) */ | ||
27 | struct in_addr vl_servers[15]; /* cached cell VL servers */ | ||
28 | }; | ||
29 | |||
30 | /* | ||
31 | * AFS cell record | ||
32 | */ | ||
33 | struct afs_cell { | ||
34 | atomic_t usage; | ||
35 | struct list_head link; /* main cell list link */ | ||
36 | struct list_head proc_link; /* /proc cell list link */ | ||
37 | struct proc_dir_entry *proc_dir; /* /proc dir for this cell */ | ||
38 | #ifdef AFS_CACHING_SUPPORT | ||
39 | struct cachefs_cookie *cache; /* caching cookie */ | ||
40 | #endif | ||
41 | |||
42 | /* server record management */ | ||
43 | rwlock_t sv_lock; /* active server list lock */ | ||
44 | struct list_head sv_list; /* active server list */ | ||
45 | struct list_head sv_graveyard; /* inactive server list */ | ||
46 | spinlock_t sv_gylock; /* inactive server list lock */ | ||
47 | |||
48 | /* volume location record management */ | ||
49 | struct rw_semaphore vl_sem; /* volume management serialisation semaphore */ | ||
50 | struct list_head vl_list; /* cell's active VL record list */ | ||
51 | struct list_head vl_graveyard; /* cell's inactive VL record list */ | ||
52 | spinlock_t vl_gylock; /* graveyard lock */ | ||
53 | unsigned short vl_naddrs; /* number of VL servers in addr list */ | ||
54 | unsigned short vl_curr_svix; /* current server index */ | ||
55 | struct in_addr vl_addrs[AFS_CELL_MAX_ADDRS]; /* cell VL server addresses */ | ||
56 | |||
57 | char name[0]; /* cell name - must go last */ | ||
58 | }; | ||
59 | |||
60 | extern int afs_cell_init(char *); | ||
61 | extern int afs_cell_create(const char *, char *, struct afs_cell **); | ||
62 | extern int afs_cell_lookup(const char *, unsigned, struct afs_cell **); | ||
63 | |||
64 | #define afs_get_cell(C) do { atomic_inc(&(C)->usage); } while(0) | ||
65 | |||
66 | extern struct afs_cell *afs_get_cell_maybe(struct afs_cell **); | ||
67 | extern void afs_put_cell(struct afs_cell *); | ||
68 | extern void afs_cell_purge(void); | ||
69 | |||
70 | #endif /* AFS_CELL_H */ | ||