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/*****************************************************************************
*******************************************************************************
**
** Copyright (C) 2005-2007 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 _METAWALK_H
#define _METAWALK_H
#define DIR_LINEAR 1
#define DIR_EXHASH 2
struct metawalk_fxns;
int check_inode_eattr(struct gfs2_inode *ip, struct metawalk_fxns *pass);
int check_metatree(struct gfs2_inode *ip, struct metawalk_fxns *pass);
int check_dir(struct gfs2_sbd *sbp, uint64_t block,
struct metawalk_fxns *pass);
int remove_dentry_from_dir(struct gfs2_sbd *sbp, uint64_t dir,
uint64_t dentryblock);
int find_di(struct gfs2_sbd *sbp, uint64_t childblock, struct dir_info **dip);
int dinode_hash_insert(osi_list_t *buckets, uint64_t key, struct dir_info *di);
int dinode_hash_remove(osi_list_t *buckets, uint64_t key);
/* metawalk_fxns: function pointers to check various parts of the fs
*
* The functions should return -1 on fatal errors, 1 if the block
* should be skipped, and 0 on success
*
* private: Data that should be passed to the fxns
* check_leaf:
* check_metalist:
* check_data:
* check_eattr_indir:
* check_eattr_leaf:
* check_dentry:
* check_eattr_entry:
* check_eattr_extentry:
*/
struct metawalk_fxns {
void *private;
int (*check_leaf) (struct gfs2_inode *ip, uint64_t block,
struct gfs2_buffer_head *bh, void *private);
int (*check_metalist) (struct gfs2_inode *ip, uint64_t block,
struct gfs2_buffer_head **bh, void *private);
int (*check_data) (struct gfs2_inode *ip, uint64_t block,
void *private);
int (*check_eattr_indir) (struct gfs2_inode *ip, uint64_t block,
uint64_t parent,
struct gfs2_buffer_head **bh, void *private);
int (*check_eattr_leaf) (struct gfs2_inode *ip, uint64_t block,
uint64_t parent, struct gfs2_buffer_head **bh,
void *private);
int (*check_dentry) (struct gfs2_inode *ip, struct gfs2_dirent *de,
struct gfs2_dirent *prev,
struct gfs2_buffer_head *bh,
char *filename, int *update, uint16_t *count,
void *private);
int (*check_eattr_entry) (struct gfs2_inode *ip,
struct gfs2_buffer_head *leaf_bh,
struct gfs2_ea_header *ea_hdr,
struct gfs2_ea_header *ea_hdr_prev,
void *private);
int (*check_eattr_extentry) (struct gfs2_inode *ip,
uint64_t *ea_data_ptr,
struct gfs2_buffer_head *leaf_bh,
struct gfs2_ea_header *ea_hdr,
struct gfs2_ea_header *ea_hdr_prev,
void *private);
};
#endif /* _METAWALK_H */

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