diff options
Diffstat (limited to 'fs/omfs/omfs.h')
-rw-r--r-- | fs/omfs/omfs.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/fs/omfs/omfs.h b/fs/omfs/omfs.h new file mode 100644 index 000000000000..2bc0f0670406 --- /dev/null +++ b/fs/omfs/omfs.h | |||
@@ -0,0 +1,67 @@ | |||
1 | #ifndef _OMFS_H | ||
2 | #define _OMFS_H | ||
3 | |||
4 | #include <linux/module.h> | ||
5 | #include <linux/fs.h> | ||
6 | |||
7 | #include "omfs_fs.h" | ||
8 | |||
9 | /* In-memory structures */ | ||
10 | struct omfs_sb_info { | ||
11 | u64 s_num_blocks; | ||
12 | u64 s_bitmap_ino; | ||
13 | u64 s_root_ino; | ||
14 | u32 s_blocksize; | ||
15 | u32 s_mirrors; | ||
16 | u32 s_sys_blocksize; | ||
17 | u32 s_clustersize; | ||
18 | int s_block_shift; | ||
19 | unsigned long **s_imap; | ||
20 | int s_imap_size; | ||
21 | struct mutex s_bitmap_lock; | ||
22 | int s_uid; | ||
23 | int s_gid; | ||
24 | int s_dmask; | ||
25 | int s_fmask; | ||
26 | }; | ||
27 | |||
28 | /* convert a cluster number to a scaled block number */ | ||
29 | static inline sector_t clus_to_blk(struct omfs_sb_info *sbi, sector_t block) | ||
30 | { | ||
31 | return block << sbi->s_block_shift; | ||
32 | } | ||
33 | |||
34 | static inline struct omfs_sb_info *OMFS_SB(struct super_block *sb) | ||
35 | { | ||
36 | return sb->s_fs_info; | ||
37 | } | ||
38 | |||
39 | /* bitmap.c */ | ||
40 | extern unsigned long omfs_count_free(struct super_block *sb); | ||
41 | extern int omfs_allocate_block(struct super_block *sb, u64 block); | ||
42 | extern int omfs_allocate_range(struct super_block *sb, int min_request, | ||
43 | int max_request, u64 *return_block, int *return_size); | ||
44 | extern int omfs_clear_range(struct super_block *sb, u64 block, int count); | ||
45 | |||
46 | /* dir.c */ | ||
47 | extern struct file_operations omfs_dir_operations; | ||
48 | extern struct inode_operations omfs_dir_inops; | ||
49 | extern int omfs_make_empty(struct inode *inode, struct super_block *sb); | ||
50 | extern int omfs_is_bad(struct omfs_sb_info *sbi, struct omfs_header *header, | ||
51 | u64 fsblock); | ||
52 | |||
53 | /* file.c */ | ||
54 | extern struct file_operations omfs_file_operations; | ||
55 | extern struct inode_operations omfs_file_inops; | ||
56 | extern struct address_space_operations omfs_aops; | ||
57 | extern void omfs_make_empty_table(struct buffer_head *bh, int offset); | ||
58 | extern int omfs_shrink_inode(struct inode *inode); | ||
59 | |||
60 | /* inode.c */ | ||
61 | extern struct inode *omfs_iget(struct super_block *sb, ino_t inode); | ||
62 | extern struct inode *omfs_new_inode(struct inode *dir, int mode); | ||
63 | extern int omfs_reserve_block(struct super_block *sb, sector_t block); | ||
64 | extern int omfs_find_empty_block(struct super_block *sb, int mode, ino_t *ino); | ||
65 | extern int omfs_sync_inode(struct inode *inode); | ||
66 | |||
67 | #endif | ||