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Diffstat (limited to 'fs/nilfs2/sb.h')
-rw-r--r-- | fs/nilfs2/sb.h | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/fs/nilfs2/sb.h b/fs/nilfs2/sb.h deleted file mode 100644 index 7a17715f215f..000000000000 --- a/fs/nilfs2/sb.h +++ /dev/null | |||
@@ -1,85 +0,0 @@ | |||
1 | /* | ||
2 | * sb.h - NILFS on-memory super block structure. | ||
3 | * | ||
4 | * Copyright (C) 2005-2008 Nippon Telegraph and Telephone Corporation. | ||
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 as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
19 | * | ||
20 | * Written by Ryusuke Konishi <ryusuke@osrg.net> | ||
21 | * | ||
22 | */ | ||
23 | |||
24 | #ifndef _NILFS_SB | ||
25 | #define _NILFS_SB | ||
26 | |||
27 | #include <linux/types.h> | ||
28 | #include <linux/fs.h> | ||
29 | |||
30 | struct the_nilfs; | ||
31 | struct nilfs_sc_info; | ||
32 | |||
33 | /* | ||
34 | * NILFS super-block data in memory | ||
35 | */ | ||
36 | struct nilfs_sb_info { | ||
37 | /* Mount options */ | ||
38 | unsigned long s_mount_opt; | ||
39 | uid_t s_resuid; | ||
40 | gid_t s_resgid; | ||
41 | |||
42 | unsigned long s_interval; /* construction interval */ | ||
43 | unsigned long s_watermark; /* threshold of data amount | ||
44 | for the segment construction */ | ||
45 | |||
46 | /* Fundamental members */ | ||
47 | struct super_block *s_super; /* reverse pointer to super_block */ | ||
48 | struct the_nilfs *s_nilfs; | ||
49 | |||
50 | /* Segment constructor */ | ||
51 | struct list_head s_dirty_files; /* dirty files list */ | ||
52 | struct nilfs_sc_info *s_sc_info; /* segment constructor info */ | ||
53 | spinlock_t s_inode_lock; /* Lock for the nilfs inode. | ||
54 | It covers s_dirty_files list */ | ||
55 | |||
56 | /* Inode allocator */ | ||
57 | spinlock_t s_next_gen_lock; | ||
58 | u32 s_next_generation; | ||
59 | }; | ||
60 | |||
61 | static inline struct nilfs_sb_info *NILFS_SB(struct super_block *sb) | ||
62 | { | ||
63 | return sb->s_fs_info; | ||
64 | } | ||
65 | |||
66 | static inline struct nilfs_sc_info *NILFS_SC(struct nilfs_sb_info *sbi) | ||
67 | { | ||
68 | return sbi->s_sc_info; | ||
69 | } | ||
70 | |||
71 | /* | ||
72 | * Bit operations for the mount option | ||
73 | */ | ||
74 | #define nilfs_clear_opt(sbi, opt) \ | ||
75 | do { (sbi)->s_mount_opt &= ~NILFS_MOUNT_##opt; } while (0) | ||
76 | #define nilfs_set_opt(sbi, opt) \ | ||
77 | do { (sbi)->s_mount_opt |= NILFS_MOUNT_##opt; } while (0) | ||
78 | #define nilfs_test_opt(sbi, opt) ((sbi)->s_mount_opt & NILFS_MOUNT_##opt) | ||
79 | #define nilfs_write_opt(sbi, mask, opt) \ | ||
80 | do { (sbi)->s_mount_opt = \ | ||
81 | (((sbi)->s_mount_opt & ~NILFS_MOUNT_##mask) | \ | ||
82 | NILFS_MOUNT_##opt); \ | ||
83 | } while (0) | ||
84 | |||
85 | #endif /* _NILFS_SB */ | ||