diff options
| author | Meizu OpenSource <patchwork@meizu.com> | 2016-08-15 10:19:42 +0800 |
|---|---|---|
| committer | Meizu OpenSource <patchwork@meizu.com> | 2016-08-15 10:19:42 +0800 |
| commit | d2e1446d81725c351dc73a03b397ce043fb18452 (patch) | |
| tree | 4dbc616b7f92aea39cd697a9084205ddb805e344 /fs/internal.h | |
first commit
Diffstat (limited to 'fs/internal.h')
| -rw-r--r-- | fs/internal.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/fs/internal.h b/fs/internal.h new file mode 100644 index 000000000..68121584a --- /dev/null +++ b/fs/internal.h @@ -0,0 +1,143 @@ +/* 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; +struct mount; + +/* + * 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 + +/* + * char_dev.c + */ +extern void __init chrdev_init(void); + +/* + * namei.c + */ +extern int __inode_permission(struct inode *, int); + +/* + * namespace.c + */ +extern int copy_mount_options(const void __user *, unsigned long *); +extern int copy_mount_string(const void __user *, char **); + +extern struct vfsmount *lookup_mnt(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 struct lglock vfsmount_lock; + +extern int __mnt_want_write(struct vfsmount *); +extern int __mnt_want_write_file(struct file *); +extern void __mnt_drop_write(struct vfsmount *); +extern void __mnt_drop_write_file(struct file *); + +/* + * fs_struct.c + */ +extern void chroot_fs_refs(const struct path *, const 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 bool grab_super_passive(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; +}; +extern struct file *do_filp_open(int dfd, struct filename *pathname, + const struct open_flags *op, int 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); +extern int open_check_o_direct(struct file *f); + +/* + * inode.c + */ +extern spinlock_t inode_sb_list_lock; +extern void inode_add_lru(struct inode *inode); + +/* + * fs-writeback.c + */ +extern void inode_wb_list_del(struct inode *inode); + +extern int get_nr_dirty_inodes(void); +extern void evict_inodes(struct super_block *); +extern int invalidate_inodes(struct super_block *, bool); + +/* + * dcache.c + */ +extern struct dentry *__d_alloc(struct super_block *, const struct qstr *); + +/* + * read_write.c + */ +extern ssize_t __kernel_write(struct file *, const char *, size_t, loff_t *); + +/* + * splice.c + */ +extern long do_splice_direct(struct file *in, loff_t *ppos, struct file *out, + loff_t *opos, size_t len, unsigned int flags); + +/* + * pipe.c + */ +extern const struct file_operations pipefifo_fops; |
