| | 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 | |
| | 12 | #include <linux/lglock.h> |
| | 13 | |
| | 14 | struct super_block; |
| | 15 | struct linux_binprm; |
| | 16 | struct path; |
| | 17 | |
| | 18 | /* |
| | 19 | * block_dev.c |
| | 20 | */ |
| | 21 | #ifdef CONFIG_BLOCK |
| | 22 | extern struct super_block *blockdev_superblock; |
| | 23 | extern void __init bdev_cache_init(void); |
| | 24 | |
| | 25 | static inline int sb_is_blkdev_sb(struct super_block *sb) |
| | 26 | { |
| | 27 | return sb == blockdev_superblock; |
| | 28 | } |
| | 29 | |
| | 30 | extern int __sync_blockdev(struct block_device *bdev, int wait); |
| | 31 | |
| | 32 | #else |
| | 33 | static inline void bdev_cache_init(void) |
| | 34 | { |
| | 35 | } |
| | 36 | |
| | 37 | static inline int sb_is_blkdev_sb(struct super_block *sb) |
| | 38 | { |
| | 39 | return 0; |
| | 40 | } |
| | 41 | |
| | 42 | static inline int __sync_blockdev(struct block_device *bdev, int wait) |
| | 43 | { |
| | 44 | return 0; |
| | 45 | } |
| | 46 | #endif |
| | 47 | |
| | 48 | /* |
| | 49 | * char_dev.c |
| | 50 | */ |
| | 51 | extern void __init chrdev_init(void); |
| | 52 | |
| | 53 | /* |
| | 54 | * exec.c |
| | 55 | */ |
| | 56 | extern int check_unsafe_exec(struct linux_binprm *); |
| | 57 | |
| | 58 | /* |
| | 59 | * namespace.c |
| | 60 | */ |
| | 61 | extern int copy_mount_options(const void __user *, unsigned long *); |
| | 62 | extern int copy_mount_string(const void __user *, char **); |
| | 63 | |
| | 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); |
| | 72 | |
| | 73 | extern void __init mnt_init(void); |
| | 74 | |
| | 75 | DECLARE_BRLOCK(vfsmount_lock); |
| | 76 | |
| | 77 | |
| | 78 | /* |
| | 79 | * fs_struct.c |
| | 80 | */ |
| | 81 | extern void chroot_fs_refs(struct path *, struct path *); |
| | 82 | |
| | 83 | /* |
| | 84 | * file_table.c |
| | 85 | */ |
| | 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); |
| | 90 | |
| | 91 | /* |
| | 92 | * super.c |
| | 93 | */ |
| | 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); |
| | 97 | |
| | 98 | /* |
| | 99 | * open.c |
| | 100 | */ |
| | 101 | struct nameidata; |
| | 102 | extern struct file *nameidata_to_filp(struct nameidata *); |
| | 103 | extern void release_open_intent(struct nameidata *); |
| | 104 | |
| | 105 | /* |
| | 106 | * inode.c |
| | 107 | */ |
| | 108 | extern int get_nr_dirty_inodes(void); |
| | 109 | extern void evict_inodes(struct super_block *); |
| | 110 | extern int invalidate_inodes(struct super_block *); |
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