1 /* fs/ internal definitions
3 * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
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.
12 #include <linux/lglock.h>
15 struct file_system_type;
24 extern void __init bdev_cache_init(void);
26 extern int __sync_blockdev(struct block_device *bdev, int wait);
29 static inline void bdev_cache_init(void)
33 static inline int __sync_blockdev(struct block_device *bdev, int wait)
42 extern void __init chrdev_init(void);
47 extern int copy_mount_options(const void __user *, unsigned long *);
48 extern int copy_mount_string(const void __user *, char **);
50 extern struct vfsmount *lookup_mnt(struct path *);
51 extern int finish_automount(struct vfsmount *, struct path *);
53 extern void mnt_make_longterm(struct vfsmount *);
54 extern void mnt_make_shortterm(struct vfsmount *);
55 extern int sb_prepare_remount_readonly(struct super_block *);
57 extern void __init mnt_init(void);
59 DECLARE_BRLOCK(vfsmount_lock);
65 extern void chroot_fs_refs(struct path *, struct path *);
70 extern void file_sb_list_add(struct file *f, struct super_block *sb);
71 extern void file_sb_list_del(struct file *f);
72 extern void mark_files_ro(struct super_block *);
73 extern struct file *get_empty_filp(void);
78 extern int do_remount_sb(struct super_block *, int, void *, int);
79 extern bool grab_super_passive(struct super_block *sb);
80 extern struct dentry *mount_fs(struct file_system_type *,
81 int, const char *, void *);
82 extern struct super_block *user_get_super(dev_t);
88 extern struct file *nameidata_to_filp(struct nameidata *);
89 extern void release_open_intent(struct nameidata *);
96 extern struct file *do_filp_open(int dfd, const char *pathname,
97 const struct open_flags *op, int lookup_flags);
98 extern struct file *do_file_open_root(struct dentry *, struct vfsmount *,
99 const char *, const struct open_flags *, int lookup_flags);
101 extern long do_handle_open(int mountdirfd,
102 struct file_handle __user *ufh, int open_flag);
107 extern spinlock_t inode_sb_list_lock;
112 extern void inode_wb_list_del(struct inode *inode);
114 extern int get_nr_dirty_inodes(void);
115 extern void evict_inodes(struct super_block *);
116 extern int invalidate_inodes(struct super_block *, bool);
121 extern struct dentry *__d_alloc(struct super_block *, const struct qstr *);