| 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 | struct super_block; |
| 13 | struct linux_binprm; |
| 14 | struct path; |
| 15 | |
| 16 | /* |
| 17 | * block_dev.c |
| 18 | */ |
| 19 | #ifdef CONFIG_BLOCK |
| 20 | extern struct super_block *blockdev_superblock; |
| 21 | extern void __init bdev_cache_init(void); |
| 22 | |
| 23 | static inline int sb_is_blkdev_sb(struct super_block *sb) |
| 24 | { |
| 25 | return sb == blockdev_superblock; |
| 26 | } |
| 27 | |
| 28 | extern int __sync_blockdev(struct block_device *bdev, int wait); |
| 29 | |
| 30 | #else |
| 31 | static inline void bdev_cache_init(void) |
| 32 | { |
| 33 | } |
| 34 | |
| 35 | static inline int sb_is_blkdev_sb(struct super_block *sb) |
| 36 | { |
| 37 | return 0; |
| 38 | } |
| 39 | |
| 40 | static inline int __sync_blockdev(struct block_device *bdev, int wait) |
| 41 | { |
| 42 | return 0; |
| 43 | } |
| 44 | #endif |
| 45 | |
| 46 | /* |
| 47 | * char_dev.c |
| 48 | */ |
| 49 | extern void __init chrdev_init(void); |
| 50 | |
| 51 | /* |
| 52 | * exec.c |
| 53 | */ |
| 54 | extern int check_unsafe_exec(struct linux_binprm *); |
| 55 | |
| 56 | /* |
| 57 | * namespace.c |
| 58 | */ |
| 59 | extern int copy_mount_options(const void __user *, unsigned long *); |
| 60 | extern int copy_mount_string(const void __user *, char **); |
| 61 | |
| 62 | extern void free_vfsmnt(struct vfsmount *); |
| 63 | extern struct vfsmount *alloc_vfsmnt(const char *); |
| 64 | extern struct vfsmount *__lookup_mnt(struct vfsmount *, struct dentry *, int); |
| 65 | extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *, |
| 66 | struct vfsmount *); |
| 67 | extern void release_mounts(struct list_head *); |
| 68 | extern void umount_tree(struct vfsmount *, int, struct list_head *); |
| 69 | extern struct vfsmount *copy_tree(struct vfsmount *, struct dentry *, int); |
| 70 | |
| 71 | extern void __init mnt_init(void); |
| 72 | |
| 73 | /* |
| 74 | * fs_struct.c |
| 75 | */ |
| 76 | extern void chroot_fs_refs(struct path *, struct path *); |
| 77 | |
| 78 | /* |
| 79 | * file_table.c |
| 80 | */ |
| 81 | extern void mark_files_ro(struct super_block *); |
| 82 | |
| 83 | /* |
| 84 | * super.c |
| 85 | */ |
| 86 | extern int do_remount_sb(struct super_block *, int, void *, int); |