Root/
1 | /* |
2 | * V9FS FID Management |
3 | * |
4 | * Copyright (C) 2005 by Eric Van Hensbergen <ericvh@gmail.com> |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License version 2 |
8 | * as published by the Free Software Foundation. |
9 | * |
10 | * This program is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * GNU General Public License for more details. |
14 | * |
15 | * You should have received a copy of the GNU General Public License |
16 | * along with this program; if not, write to: |
17 | * Free Software Foundation |
18 | * 51 Franklin Street, Fifth Floor |
19 | * Boston, MA 02111-1301 USA |
20 | * |
21 | */ |
22 | #ifndef FS_9P_FID_H |
23 | #define FS_9P_FID_H |
24 | #include <linux/list.h> |
25 | |
26 | /** |
27 | * struct v9fs_dentry - 9p private data stored in dentry d_fsdata |
28 | * @lock: protects the fidlist |
29 | * @fidlist: list of FIDs currently associated with this dentry |
30 | * |
31 | * This structure defines the 9p private data associated with |
32 | * a particular dentry. In particular, this private data is used |
33 | * to lookup which 9P FID handle should be used for a particular VFS |
34 | * operation. FID handles are associated with dentries instead of |
35 | * inodes in order to more closely map functionality to the Plan 9 |
36 | * expected behavior for FID reclaimation and tracking. |
37 | * |
38 | * See Also: Mapping FIDs to Linux VFS model in |
39 | * Design and Implementation of the Linux 9P File System documentation |
40 | */ |
41 | struct v9fs_dentry { |
42 | spinlock_t lock; /* protect fidlist */ |
43 | struct list_head fidlist; |
44 | }; |
45 | |
46 | struct p9_fid *v9fs_fid_lookup(struct dentry *dentry); |
47 | struct p9_fid *v9fs_fid_clone(struct dentry *dentry); |
48 | int v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid); |
49 | struct p9_fid *v9fs_writeback_fid(struct dentry *dentry); |
50 | #endif |
51 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9