| /* 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. |
| */ |
| |
| struct super_block; |
| struct file_system_type; |
| struct iomap; |
| struct iomap_ops; |
| struct linux_binprm; |
| struct path; |
| struct mount; |
| struct shrink_control; |
| |
| /* |
| * block_dev.c |
| */ |
| #ifdef CONFIG_BLOCK |
| extern void __init bdev_cache_init(void); |
| |
| extern int __sync_blockdev(struct block_device *bdev, int wait); |
| |
| #else |
| static inline void bdev_cache_init(void) |
| { |
| } |
| |
| static inline int __sync_blockdev(struct block_device *bdev, int wait) |
| { |
| return 0; |
| } |
| #endif |
| |
| /* |
| * buffer.c |
| */ |
| extern void guard_bio_eod(int rw, struct bio *bio); |
| extern int __block_write_begin_int(struct page *page, loff_t pos, unsigned len, |
| get_block_t *get_block, struct iomap *iomap); |
| |
| /* |
| * char_dev.c |
| */ |
| extern void __init chrdev_init(void); |
| |
| /* |
| * namei.c |
| */ |
| extern int user_path_mountpoint_at(int, const char __user *, unsigned int, struct path *); |
| extern int vfs_path_lookup(struct dentry *, struct vfsmount *, |
| const char *, unsigned int, struct path *); |
| |
| /* |
| * namespace.c |
| */ |
| extern void *copy_mount_options(const void __user *); |
| extern char *copy_mount_string(const void __user *); |
| |
| extern struct vfsmount *lookup_mnt(const struct path *); |
| extern int finish_automount(struct vfsmount *, struct path *); |
| |
| extern int sb_prepare_remount_readonly(struct super_block *); |
| |
| extern void __init mnt_init(void); |
| |
| extern int __mnt_want_write(struct vfsmount *); |
| extern int __mnt_want_write_file(struct file *); |
| extern int mnt_want_write_file_path(struct file *); |
| extern void __mnt_drop_write(struct vfsmount *); |
| extern void __mnt_drop_write_file(struct file *); |
| extern void mnt_drop_write_file_path(struct file *); |
| |
| /* |
| * fs_struct.c |
| */ |
| extern void chroot_fs_refs(const struct path *, const struct path *); |
| |
| /* |
| * file_table.c |
| */ |
| extern struct file *get_empty_filp(void); |
| |
| /* |
| * super.c |
| */ |
| extern int do_remount_sb(struct super_block *, int, void *, int); |
| extern bool trylock_super(struct super_block *sb); |
| extern struct dentry *mount_fs(struct file_system_type *, |
| int, const char *, void *); |
| extern struct super_block *user_get_super(dev_t); |
| |
| /* |
| * open.c |
| */ |
| struct open_flags { |
| int open_flag; |
| umode_t mode; |
| int acc_mode; |
| int intent; |
| int lookup_flags; |
| }; |
| extern struct file *do_filp_open(int dfd, struct filename *pathname, |
| const struct open_flags *op); |
| extern struct file *do_file_open_root(struct dentry *, struct vfsmount *, |
| const char *, const struct open_flags *); |
| |
| extern int open_check_o_direct(struct file *f); |
| extern int vfs_open(const struct path *, struct file *, const struct cred *); |
| extern struct file *filp_clone_open(struct file *); |
| |
| /* |
| * inode.c |
| */ |
| extern long prune_icache_sb(struct super_block *sb, struct shrink_control *sc); |
| extern void inode_add_lru(struct inode *inode); |
| extern int dentry_needs_remove_privs(struct dentry *dentry); |
| |
| extern bool __atime_needs_update(const struct path *, struct inode *, bool); |
| static inline bool atime_needs_update_rcu(const struct path *path, |
| struct inode *inode) |
| { |
| return __atime_needs_update(path, inode, true); |
| } |
| |
| /* |
| * fs-writeback.c |
| */ |
| extern void inode_io_list_del(struct inode *inode); |
| |
| extern long get_nr_dirty_inodes(void); |
| extern int invalidate_inodes(struct super_block *, bool); |
| |
| /* |
| * dcache.c |
| */ |
| extern struct dentry *__d_alloc(struct super_block *, const struct qstr *); |
| extern int d_set_mounted(struct dentry *dentry); |
| extern long prune_dcache_sb(struct super_block *sb, struct shrink_control *sc); |
| extern struct dentry *d_alloc_cursor(struct dentry *); |
| |
| /* |
| * read_write.c |
| */ |
| extern int rw_verify_area(int, struct file *, const loff_t *, size_t); |
| |
| /* |
| * pipe.c |
| */ |
| extern const struct file_operations pipefifo_fops; |
| |
| /* |
| * fs_pin.c |
| */ |
| extern void group_pin_kill(struct hlist_head *p); |
| extern void mnt_pin_kill(struct mount *m); |
| |
| /* |
| * fs/nsfs.c |
| */ |
| extern const struct dentry_operations ns_dentry_operations; |
| |
| /* |
| * fs/ioctl.c |
| */ |
| extern int do_vfs_ioctl(struct file *file, unsigned int fd, unsigned int cmd, |
| unsigned long arg); |
| extern long vfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg); |
| |
| /* |
| * iomap support: |
| */ |
| typedef loff_t (*iomap_actor_t)(struct inode *inode, loff_t pos, loff_t len, |
| void *data, struct iomap *iomap); |
| |
| loff_t iomap_apply(struct inode *inode, loff_t pos, loff_t length, |
| unsigned flags, const struct iomap_ops *ops, void *data, |
| iomap_actor_t actor); |
| |
| /* direct-io.c: */ |
| int sb_init_dio_done_wq(struct super_block *sb); |