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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; |
c7105365 | 18 | struct mount; |
5e6d12b2 | 19 | |
07f3f05c DH |
20 | /* |
21 | * block_dev.c | |
22 | */ | |
9361401e | 23 | #ifdef CONFIG_BLOCK |
07f3f05c DH |
24 | extern void __init bdev_cache_init(void); |
25 | ||
5cee5815 JK |
26 | extern int __sync_blockdev(struct block_device *bdev, int wait); |
27 | ||
9361401e | 28 | #else |
5e6d12b2 AM |
29 | static inline void bdev_cache_init(void) |
30 | { | |
31 | } | |
9361401e | 32 | |
5cee5815 JK |
33 | static inline int __sync_blockdev(struct block_device *bdev, int wait) |
34 | { | |
35 | return 0; | |
36 | } | |
9361401e | 37 | #endif |
7b0de42d | 38 | |
07f3f05c DH |
39 | /* |
40 | * char_dev.c | |
41 | */ | |
42 | extern void __init chrdev_init(void); | |
43 | ||
07f3f05c DH |
44 | /* |
45 | * namespace.c | |
46 | */ | |
47 | extern int copy_mount_options(const void __user *, unsigned long *); | |
eca6f534 | 48 | extern int copy_mount_string(const void __user *, char **); |
6d59e7f5 | 49 | |
0f60f240 | 50 | extern struct vfsmount *lookup_mnt(struct path *); |
19a167af | 51 | extern int finish_automount(struct vfsmount *, struct path *); |
6d59e7f5 | 52 | |
f03c6599 AV |
53 | extern void mnt_make_longterm(struct vfsmount *); |
54 | extern void mnt_make_shortterm(struct vfsmount *); | |
4ed5e82f | 55 | extern int sb_prepare_remount_readonly(struct super_block *); |
f03c6599 | 56 | |
6d59e7f5 | 57 | extern void __init mnt_init(void); |
3e93cd67 | 58 | |
99b7db7b NP |
59 | DECLARE_BRLOCK(vfsmount_lock); |
60 | ||
47cd813f | 61 | |
3e93cd67 AV |
62 | /* |
63 | * fs_struct.c | |
64 | */ | |
65 | extern void chroot_fs_refs(struct path *, struct path *); | |
864d7c4c NP |
66 | |
67 | /* | |
68 | * file_table.c | |
69 | */ | |
d996b62a NP |
70 | extern void file_sb_list_add(struct file *f, struct super_block *sb); |
71 | extern void file_sb_list_del(struct file *f); | |
864d7c4c | 72 | extern void mark_files_ro(struct super_block *); |
e81e3f4d | 73 | extern struct file *get_empty_filp(void); |
62c6943b AV |
74 | |
75 | /* | |
76 | * super.c | |
77 | */ | |
78 | extern int do_remount_sb(struct super_block *, int, void *, int); | |
12ad3ab6 | 79 | extern bool grab_super_passive(struct super_block *sb); |
9d412a43 AV |
80 | extern struct dentry *mount_fs(struct file_system_type *, |
81 | int, const char *, void *); | |
cf31e70d | 82 | extern struct super_block *user_get_super(dev_t); |
482928d5 AV |
83 | |
84 | /* | |
85 | * open.c | |
86 | */ | |
87 | struct nameidata; | |
88 | extern struct file *nameidata_to_filp(struct nameidata *); | |
89 | extern void release_open_intent(struct nameidata *); | |
47c805dc AV |
90 | struct open_flags { |
91 | int open_flag; | |
a218d0fd | 92 | umode_t mode; |
47c805dc AV |
93 | int acc_mode; |
94 | int intent; | |
95 | }; | |
96 | extern struct file *do_filp_open(int dfd, const char *pathname, | |
97 | const struct open_flags *op, int lookup_flags); | |
73d049a4 AV |
98 | extern struct file *do_file_open_root(struct dentry *, struct vfsmount *, |
99 | const char *, const struct open_flags *, int lookup_flags); | |
a8dade34 | 100 | |
becfd1f3 AK |
101 | extern long do_handle_open(int mountdirfd, |
102 | struct file_handle __user *ufh, int open_flag); | |
103 | ||
a8dade34 AV |
104 | /* |
105 | * inode.c | |
106 | */ | |
55fa6091 DC |
107 | extern spinlock_t inode_sb_list_lock; |
108 | ||
a66979ab DC |
109 | /* |
110 | * fs-writeback.c | |
111 | */ | |
112 | extern void inode_wb_list_del(struct inode *inode); | |
113 | ||
cffbc8aa | 114 | extern int get_nr_dirty_inodes(void); |
a4cdbd8b | 115 | extern void evict_inodes(struct super_block *); |
93b270f7 | 116 | extern int invalidate_inodes(struct super_block *, bool); |
a4464dbc AV |
117 | |
118 | /* | |
119 | * dcache.c | |
120 | */ | |
121 | extern struct dentry *__d_alloc(struct super_block *, const struct qstr *); |