parisc: cleanup console handling
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / fs / internal.h
blobe43b9a4dbf4e602e39f9ca4e85a77f364798980b
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>
14 struct super_block;
15 struct linux_binprm;
16 struct path;
19 * block_dev.c
21 #ifdef CONFIG_BLOCK
22 extern struct super_block *blockdev_superblock;
23 extern void __init bdev_cache_init(void);
25 static inline int sb_is_blkdev_sb(struct super_block *sb)
27 return sb == blockdev_superblock;
30 extern int __sync_blockdev(struct block_device *bdev, int wait);
32 #else
33 static inline void bdev_cache_init(void)
37 static inline int sb_is_blkdev_sb(struct super_block *sb)
39 return 0;
42 static inline int __sync_blockdev(struct block_device *bdev, int wait)
44 return 0;
46 #endif
49 * char_dev.c
51 extern void __init chrdev_init(void);
54 * exec.c
56 extern int check_unsafe_exec(struct linux_binprm *);
59 * namespace.c
61 extern int copy_mount_options(const void __user *, unsigned long *);
62 extern int copy_mount_string(const void __user *, char **);
64 extern void free_vfsmnt(struct vfsmount *);
65 extern struct vfsmount *alloc_vfsmnt(const char *);
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);
73 extern void __init mnt_init(void);
75 DECLARE_BRLOCK(vfsmount_lock);
79 * fs_struct.c
81 extern void chroot_fs_refs(struct path *, struct path *);
84 * file_table.c
86 extern void file_sb_list_add(struct file *f, struct super_block *sb);
87 extern void file_sb_list_del(struct file *f);
88 extern void mark_files_ro(struct super_block *);
89 extern struct file *get_empty_filp(void);
92 * super.c
94 extern int do_remount_sb(struct super_block *, int, void *, int);
95 extern void __put_super(struct super_block *sb);
96 extern void put_super(struct super_block *sb);
99 * open.c
101 struct nameidata;
102 extern struct file *nameidata_to_filp(struct nameidata *);
103 extern void release_open_intent(struct nameidata *);
106 * inode.c
108 extern int get_nr_dirty_inodes(void);
109 extern void evict_inodes(struct super_block *);
110 extern int invalidate_inodes(struct super_block *);