OpenCloudOS-Kernel/fs/gfs2/dir.h

52 lines
1.9 KiB
C

/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
* Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU General Public License v.2.
*/
#ifndef __DIR_DOT_H__
#define __DIR_DOT_H__
/**
* gfs2_filldir_t - Report a directory entry to the caller of gfs2_dir_read()
* @opaque: opaque data used by the function
* @name: the name of the directory entry
* @length: the length of the name
* @offset: the entry's offset in the directory
* @inum: the inode number the entry points to
* @type: the type of inode the entry points to
*
* Returns: 0 on success, 1 if buffer full
*/
typedef int (*gfs2_filldir_t) (void *opaque,
const char *name, unsigned int length,
uint64_t offset,
struct gfs2_inum *inum, unsigned int type);
int gfs2_filecmp(struct qstr *file1, char *file2, int len_of_file2);
int gfs2_dirent_alloc(struct gfs2_inode *dip, struct buffer_head *bh,
int name_len, struct gfs2_dirent **dent_out);
int gfs2_dir_search(struct gfs2_inode *dip, struct qstr *filename,
struct gfs2_inum *inum, unsigned int *type);
int gfs2_dir_add(struct gfs2_inode *dip, struct qstr *filename,
struct gfs2_inum *inum, unsigned int type);
int gfs2_dir_del(struct gfs2_inode *dip, struct qstr *filename);
int gfs2_dir_read(struct gfs2_inode *dip, uint64_t * offset, void *opaque,
gfs2_filldir_t filldir);
int gfs2_dir_mvino(struct gfs2_inode *dip, struct qstr *filename,
struct gfs2_inum *new_inum, unsigned int new_type);
int gfs2_dir_exhash_dealloc(struct gfs2_inode *dip);
int gfs2_diradd_alloc_required(struct gfs2_inode *dip, struct qstr *filename,
int *alloc_required);
int gfs2_dir_get_buffer(struct gfs2_inode *ip, uint64_t block, int new,
struct buffer_head **bhp);
#endif /* __DIR_DOT_H__ */