Staging: hv: mousevsc: Cleanup and properly implement reportdesc_callback()
[zen-stable.git] / fs / omfs / omfs.h
blob7d414fef501af1225a839faf1061750cad9dd365
1 #ifndef _OMFS_H
2 #define _OMFS_H
4 #include <linux/module.h>
5 #include <linux/fs.h>
7 #include "omfs_fs.h"
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;
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)
31 return block << sbi->s_block_shift;
34 static inline struct omfs_sb_info *OMFS_SB(struct super_block *sb)
36 return sb->s_fs_info;
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);
46 /* dir.c */
47 extern const struct file_operations omfs_dir_operations;
48 extern const 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);
53 /* file.c */
54 extern const struct file_operations omfs_file_operations;
55 extern const struct inode_operations omfs_file_inops;
56 extern const 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);
60 /* inode.c */
61 extern struct buffer_head *omfs_bread(struct super_block *sb, sector_t block);
62 extern struct inode *omfs_iget(struct super_block *sb, ino_t inode);
63 extern struct inode *omfs_new_inode(struct inode *dir, int mode);
64 extern int omfs_reserve_block(struct super_block *sb, sector_t block);
65 extern int omfs_find_empty_block(struct super_block *sb, int mode, ino_t *ino);
66 extern int omfs_sync_inode(struct inode *inode);
68 #endif