| /* fs/ internal definitions |
| * |
| * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. |
| * Written by David Howells (dhowells@redhat.com) |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| |
| #include <linux/lglock.h> |
| |
| struct super_block; |
| struct file_system_type; |
| struct linux_binprm; |
| struct path; |
| |
| /* |
| * block_dev.c |
| */ |
| #ifdef CONFIG_BLOCK |
| extern struct super_block *blockdev_superblock; |
| extern void __init bdev_cache_init(void); |
| |
| static inline int sb_is_blkdev_sb(struct super_block *sb) |
| { |
| return sb == blockdev_superblock; |
| } |
| |
| extern int __sync_blockdev(struct block_device *bdev, int wait); |
| |
| #else |
| static inline void bdev_cache_init(void) |
| { |
| } |
| |
| static inline int sb_is_blkdev_sb(struct super_block *sb) |
| { |
| return 0; |
| } |
| |
| static inline int __sync_blockdev(struct block_device *bdev, int wait) |
| { |
| return 0; |
| } |
| #endif |
| |
| /* |
| * char_dev.c |
| */ |
| extern void __init chrdev_init(void); |
| |
| /* |
| * exec.c |
| */ |
| extern int check_unsafe_exec(struct linux_binprm *); |
| |
| /* |
| * namespace.c |
| */ |
| extern int copy_mount_options(const void __user *, unsigned long *); |
| extern int copy_mount_string(const void __user *, char **); |
| |
| extern unsigned int mnt_get_count(struct vfsmount *mnt); |
| extern struct vfsmount *__lookup_mnt(struct vfsmount *, struct dentry *, int); |
| extern struct vfsmount *lookup_mnt(struct path *); |
| extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *, |
| struct vfsmount *); |
| extern void release_mounts(struct list_head *); |
| extern void umount_tree(struct vfsmount *, int, struct list_head *); |
| extern struct vfsmount *copy_tree(struct vfsmount *, struct dentry *, int); |
| extern int finish_automount(struct vfsmount *, struct path *); |
| |
| extern void mnt_make_longterm(struct vfsmount *); |
| extern void mnt_make_shortterm(struct vfsmount *); |
| |
| extern void __init mnt_init(void); |
| |
| DECLARE_BRLOCK(vfsmount_lock); |
| |
| |
| /* |
| * fs_struct.c |
| */ |
| extern void chroot_fs_refs(struct path *, struct path *); |
| |
| /* |
| * file_table.c |
| */ |
| extern void file_sb_list_add(struct file *f, struct super_block *sb); |
| extern void file_sb_list_del(struct file *f); |
| extern void mark_files_ro(struct super_block *); |
| extern struct file *get_empty_filp(void); |
| |
| /* |
| * super.c |
| */ |
| extern int do_remount_sb(struct super_block *, int, void *, int); |
| extern void __put_super(struct super_block *sb); |
| extern void put_super(struct super_block *sb); |
| extern struct dentry *mount_fs(struct file_system_type *, |
| int, const char *, void *); |
| |
| /* |
| * open.c |
| */ |
| struct nameidata; |
| extern struct file *nameidata_to_filp(struct nameidata *); |
| extern void release_open_intent(struct nameidata *); |
| struct open_flags { |
| int open_flag; |
| int mode; |
| int acc_mode; |
| int intent; |
| }; |
| extern struct file *do_filp_open(int dfd, const char *pathname, |
| const struct open_flags *op, int lookup_flags); |
| extern struct file *do_file_open_root(struct dentry *, struct vfsmount *, |
| const char *, const struct open_flags *, int lookup_flags); |
| |
| extern long do_handle_open(int mountdirfd, |
| struct file_handle __user *ufh, int open_flag); |
| |
| /* |
| * inode.c |
| */ |
| extern int get_nr_dirty_inodes(void); |
| extern void evict_inodes(struct super_block *); |
| extern int invalidate_inodes(struct super_block *, bool); |