diff options
Diffstat (limited to 'fs/nilfs2/seglist.h')
-rw-r--r-- | fs/nilfs2/seglist.h | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/fs/nilfs2/seglist.h b/fs/nilfs2/seglist.h deleted file mode 100644 index e448e40c1ecb..000000000000 --- a/fs/nilfs2/seglist.h +++ /dev/null | |||
@@ -1,79 +0,0 @@ | |||
1 | /* | ||
2 | * seglist.h - expediential structure and routines to handle list of segments | ||
3 | * (would be removed in a future release) | ||
4 | * | ||
5 | * Copyright (C) 2005-2008 Nippon Telegraph and Telephone Corporation. | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or | ||
10 | * (at your option) any later version. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; if not, write to the Free Software | ||
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
20 | * | ||
21 | * Written by Ryusuke Konishi <ryusuke@osrg.net> | ||
22 | * | ||
23 | */ | ||
24 | #ifndef _NILFS_SEGLIST_H | ||
25 | #define _NILFS_SEGLIST_H | ||
26 | |||
27 | #include <linux/fs.h> | ||
28 | #include <linux/buffer_head.h> | ||
29 | #include <linux/nilfs2_fs.h> | ||
30 | #include "sufile.h" | ||
31 | |||
32 | struct nilfs_segment_entry { | ||
33 | __u64 segnum; | ||
34 | |||
35 | struct list_head list; | ||
36 | struct buffer_head *bh_su; | ||
37 | struct nilfs_segment_usage *raw_su; | ||
38 | }; | ||
39 | |||
40 | |||
41 | void nilfs_dispose_segment_list(struct list_head *); | ||
42 | |||
43 | static inline struct nilfs_segment_entry * | ||
44 | nilfs_alloc_segment_entry(__u64 segnum) | ||
45 | { | ||
46 | struct nilfs_segment_entry *ent = kmalloc(sizeof(*ent), GFP_NOFS); | ||
47 | |||
48 | if (likely(ent)) { | ||
49 | ent->segnum = segnum; | ||
50 | ent->bh_su = NULL; | ||
51 | ent->raw_su = NULL; | ||
52 | INIT_LIST_HEAD(&ent->list); | ||
53 | } | ||
54 | return ent; | ||
55 | } | ||
56 | |||
57 | static inline int nilfs_open_segment_entry(struct nilfs_segment_entry *ent, | ||
58 | struct inode *sufile) | ||
59 | { | ||
60 | return nilfs_sufile_get_segment_usage(sufile, ent->segnum, | ||
61 | &ent->raw_su, &ent->bh_su); | ||
62 | } | ||
63 | |||
64 | static inline void nilfs_close_segment_entry(struct nilfs_segment_entry *ent, | ||
65 | struct inode *sufile) | ||
66 | { | ||
67 | if (!ent->bh_su) | ||
68 | return; | ||
69 | nilfs_sufile_put_segment_usage(sufile, ent->segnum, ent->bh_su); | ||
70 | ent->bh_su = NULL; | ||
71 | ent->raw_su = NULL; | ||
72 | } | ||
73 | |||
74 | static inline void nilfs_free_segment_entry(struct nilfs_segment_entry *ent) | ||
75 | { | ||
76 | kfree(ent); | ||
77 | } | ||
78 | |||
79 | #endif /* _NILFS_SEGLIST_H */ | ||