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;
23 extern void __init bdev_cache_init(void);
25 extern int __sync_blockdev(struct block_device *bdev, int wait);
28 static inline void bdev_cache_init(void)
32 static inline int __sync_blockdev(struct block_device *bdev, int wait)
41 extern void __init chrdev_init(void);
46 extern int copy_mount_options(const void __user *, unsigned long *);
47 extern int copy_mount_string(const void __user *, char **);
49 extern struct vfsmount *__lookup_mnt(struct vfsmount *, struct dentry *, int);
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 *);
56 extern void __init mnt_init(void);
58 DECLARE_BRLOCK(vfsmount_lock);
64 extern void chroot_fs_refs(struct path *, struct path *);
69 extern void file_sb_list_add(struct file *f, struct super_block *sb);
70 extern void file_sb_list_del(struct file *f);
71 extern void mark_files_ro(struct super_block *);
72 extern struct file *get_empty_filp(void);
77 extern int do_remount_sb(struct super_block *, int, void *, int);
78 extern bool grab_super_passive(struct super_block *sb);
79 extern struct dentry *mount_fs(struct file_system_type *,
80 int, const char *, void *);
86 extern struct file *nameidata_to_filp(struct nameidata *);
87 extern void release_open_intent(struct nameidata *);
94 extern struct file *do_filp_open(int dfd, const char *pathname,
95 const struct open_flags *op, int lookup_flags);
96 extern struct file *do_file_open_root(struct dentry *, struct vfsmount *,
97 const char *, const struct open_flags *, int lookup_flags);
99 extern long do_handle_open(int mountdirfd,
100 struct file_handle __user *ufh, int open_flag);
105 extern spinlock_t inode_sb_list_lock;
110 extern void inode_wb_list_del(struct inode *inode);
112 extern int get_nr_dirty_inodes(void);
113 extern void evict_inodes(struct super_block *);
114 extern int invalidate_inodes(struct super_block *, bool);
119 extern struct dentry *__d_alloc(struct super_block *, const struct qstr *);