0f60f240d5
lookup_mnt() is only used in the core fs routines now, so it doesn't need to be globally declared anymore. It isn't exported to modules at the moment, so nothing that can be modularised seems to be using it. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
131 lines
3.3 KiB
C
131 lines
3.3 KiB
C
/* fs/ internal definitions
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*
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* Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/lglock.h>
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struct super_block;
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struct file_system_type;
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struct linux_binprm;
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struct path;
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/*
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* block_dev.c
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*/
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#ifdef CONFIG_BLOCK
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extern struct super_block *blockdev_superblock;
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extern void __init bdev_cache_init(void);
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static inline int sb_is_blkdev_sb(struct super_block *sb)
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{
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return sb == blockdev_superblock;
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}
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extern int __sync_blockdev(struct block_device *bdev, int wait);
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#else
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static inline void bdev_cache_init(void)
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{
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}
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static inline int sb_is_blkdev_sb(struct super_block *sb)
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{
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return 0;
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}
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static inline int __sync_blockdev(struct block_device *bdev, int wait)
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{
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return 0;
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}
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#endif
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/*
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* char_dev.c
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*/
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extern void __init chrdev_init(void);
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/*
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* exec.c
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*/
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extern int check_unsafe_exec(struct linux_binprm *);
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/*
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* namespace.c
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*/
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extern int copy_mount_options(const void __user *, unsigned long *);
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extern int copy_mount_string(const void __user *, char **);
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extern unsigned int mnt_get_count(struct vfsmount *mnt);
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extern struct vfsmount *__lookup_mnt(struct vfsmount *, struct dentry *, int);
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extern struct vfsmount *lookup_mnt(struct path *);
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extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *,
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struct vfsmount *);
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extern void release_mounts(struct list_head *);
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extern void umount_tree(struct vfsmount *, int, struct list_head *);
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extern struct vfsmount *copy_tree(struct vfsmount *, struct dentry *, int);
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extern int finish_automount(struct vfsmount *, struct path *);
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extern void mnt_make_longterm(struct vfsmount *);
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extern void mnt_make_shortterm(struct vfsmount *);
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extern void __init mnt_init(void);
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DECLARE_BRLOCK(vfsmount_lock);
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/*
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* fs_struct.c
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*/
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extern void chroot_fs_refs(struct path *, struct path *);
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/*
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* file_table.c
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*/
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extern void file_sb_list_add(struct file *f, struct super_block *sb);
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extern void file_sb_list_del(struct file *f);
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extern void mark_files_ro(struct super_block *);
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extern struct file *get_empty_filp(void);
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/*
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* super.c
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*/
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extern int do_remount_sb(struct super_block *, int, void *, int);
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extern void __put_super(struct super_block *sb);
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extern void put_super(struct super_block *sb);
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extern struct dentry *mount_fs(struct file_system_type *,
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int, const char *, void *);
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/*
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* open.c
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*/
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struct nameidata;
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extern struct file *nameidata_to_filp(struct nameidata *);
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extern void release_open_intent(struct nameidata *);
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struct open_flags {
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int open_flag;
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int mode;
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int acc_mode;
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int intent;
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};
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extern struct file *do_filp_open(int dfd, const char *pathname,
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const struct open_flags *op, int lookup_flags);
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extern struct file *do_file_open_root(struct dentry *, struct vfsmount *,
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const char *, const struct open_flags *, int lookup_flags);
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extern long do_handle_open(int mountdirfd,
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struct file_handle __user *ufh, int open_flag);
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/*
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* inode.c
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*/
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extern int get_nr_dirty_inodes(void);
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extern void evict_inodes(struct super_block *);
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extern int invalidate_inodes(struct super_block *, bool);
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