Commit | Line | Data |
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07f3f05c DH |
1 | /* fs/ internal definitions |
2 | * | |
3 | * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. | |
4 | * Written by David Howells (dhowells@redhat.com) | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version | |
9 | * 2 of the License, or (at your option) any later version. | |
10 | */ | |
11 | ||
99b7db7b NP |
12 | #include <linux/lglock.h> |
13 | ||
5e6d12b2 | 14 | struct super_block; |
9d412a43 | 15 | struct file_system_type; |
a6f76f23 | 16 | struct linux_binprm; |
3e93cd67 | 17 | struct path; |
5e6d12b2 | 18 | |
07f3f05c DH |
19 | /* |
20 | * block_dev.c | |
21 | */ | |
9361401e | 22 | #ifdef CONFIG_BLOCK |
07f3f05c DH |
23 | extern struct super_block *blockdev_superblock; |
24 | extern void __init bdev_cache_init(void); | |
25 | ||
5e6d12b2 AM |
26 | static inline int sb_is_blkdev_sb(struct super_block *sb) |
27 | { | |
28 | return sb == blockdev_superblock; | |
29 | } | |
30 | ||
5cee5815 JK |
31 | extern int __sync_blockdev(struct block_device *bdev, int wait); |
32 | ||
9361401e | 33 | #else |
5e6d12b2 AM |
34 | static inline void bdev_cache_init(void) |
35 | { | |
36 | } | |
9361401e | 37 | |
5e6d12b2 AM |
38 | static inline int sb_is_blkdev_sb(struct super_block *sb) |
39 | { | |
40 | return 0; | |
41 | } | |
5cee5815 JK |
42 | |
43 | static inline int __sync_blockdev(struct block_device *bdev, int wait) | |
44 | { | |
45 | return 0; | |
46 | } | |
9361401e | 47 | #endif |
7b0de42d | 48 | |
07f3f05c DH |
49 | /* |
50 | * char_dev.c | |
51 | */ | |
52 | extern void __init chrdev_init(void); | |
53 | ||
a6f76f23 DH |
54 | /* |
55 | * exec.c | |
56 | */ | |
498052bb | 57 | extern int check_unsafe_exec(struct linux_binprm *); |
a6f76f23 | 58 | |
07f3f05c DH |
59 | /* |
60 | * namespace.c | |
61 | */ | |
62 | extern int copy_mount_options(const void __user *, unsigned long *); | |
eca6f534 | 63 | extern int copy_mount_string(const void __user *, char **); |
6d59e7f5 | 64 | |
b3e19d92 | 65 | extern unsigned int mnt_get_count(struct vfsmount *mnt); |
6d59e7f5 AV |
66 | extern struct vfsmount *__lookup_mnt(struct vfsmount *, struct dentry *, int); |
67 | extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *, | |
68 | struct vfsmount *); | |
69 | extern void release_mounts(struct list_head *); | |
70 | extern void umount_tree(struct vfsmount *, int, struct list_head *); | |
71 | extern struct vfsmount *copy_tree(struct vfsmount *, struct dentry *, int); | |
19a167af | 72 | extern int finish_automount(struct vfsmount *, struct path *); |
6d59e7f5 | 73 | |
f03c6599 AV |
74 | extern void mnt_make_longterm(struct vfsmount *); |
75 | extern void mnt_make_shortterm(struct vfsmount *); | |
76 | ||
6d59e7f5 | 77 | extern void __init mnt_init(void); |
3e93cd67 | 78 | |
99b7db7b NP |
79 | DECLARE_BRLOCK(vfsmount_lock); |
80 | ||
47cd813f | 81 | |
3e93cd67 AV |
82 | /* |
83 | * fs_struct.c | |
84 | */ | |
85 | extern void chroot_fs_refs(struct path *, struct path *); | |
864d7c4c | 86 | |
87 | /* | |
88 | * file_table.c | |
89 | */ | |
d996b62a NP |
90 | extern void file_sb_list_add(struct file *f, struct super_block *sb); |
91 | extern void file_sb_list_del(struct file *f); | |
864d7c4c | 92 | extern void mark_files_ro(struct super_block *); |
e81e3f4d | 93 | extern struct file *get_empty_filp(void); |
62c6943b AV |
94 | |
95 | /* | |
96 | * super.c | |
97 | */ | |
98 | extern int do_remount_sb(struct super_block *, int, void *, int); | |
35cf7ba0 AV |
99 | extern void __put_super(struct super_block *sb); |
100 | extern void put_super(struct super_block *sb); | |
9d412a43 AV |
101 | extern struct dentry *mount_fs(struct file_system_type *, |
102 | int, const char *, void *); | |
482928d5 AV |
103 | |
104 | /* | |
105 | * open.c | |
106 | */ | |
107 | struct nameidata; | |
108 | extern struct file *nameidata_to_filp(struct nameidata *); | |
109 | extern void release_open_intent(struct nameidata *); | |
47c805dc AV |
110 | struct open_flags { |
111 | int open_flag; | |
112 | int mode; | |
113 | int acc_mode; | |
114 | int intent; | |
115 | }; | |
116 | extern struct file *do_filp_open(int dfd, const char *pathname, | |
117 | const struct open_flags *op, int lookup_flags); | |
73d049a4 AV |
118 | extern struct file *do_file_open_root(struct dentry *, struct vfsmount *, |
119 | const char *, const struct open_flags *, int lookup_flags); | |
a8dade34 | 120 | |
becfd1f3 AK |
121 | extern long do_handle_open(int mountdirfd, |
122 | struct file_handle __user *ufh, int open_flag); | |
123 | ||
a8dade34 AV |
124 | /* |
125 | * inode.c | |
126 | */ | |
cffbc8aa | 127 | extern int get_nr_dirty_inodes(void); |
a4cdbd8b | 128 | extern void evict_inodes(struct super_block *); |
93b270f7 | 129 | extern int invalidate_inodes(struct super_block *, bool); |