1 /* -*- mode: c; c-basic-offset: 8; -*-
2 * vim: noexpandtab sw=8 ts=8 sts=0:
8 * Copyright (C) 2002, 2004 Oracle. All rights reserved.
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public
12 * License as published by the Free Software Foundation; either
13 * version 2 of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public
21 * License along with this program; if not, write to the
22 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 * Boston, MA 021110-1307, USA.
29 struct ocfs2_dx_hinfo {
34 struct ocfs2_dir_lookup_result {
35 struct buffer_head *dl_leaf_bh; /* Unindexed leaf
37 struct ocfs2_dir_entry *dl_entry; /* Target dirent in
40 struct buffer_head *dl_dx_leaf_bh; /* Indexed leaf block */
41 struct ocfs2_dx_entry *dl_dx_entry; /* Target dx_entry in
43 struct ocfs2_dx_hinfo dl_hinfo; /* Name hash results */
45 void ocfs2_free_dir_lookup_result(struct ocfs2_dir_lookup_result *res);
47 int ocfs2_find_entry(const char *name, int namelen,
49 struct ocfs2_dir_lookup_result *lookup);
50 int ocfs2_delete_entry(handle_t *handle,
52 struct ocfs2_dir_lookup_result *res);
53 int __ocfs2_add_entry(handle_t *handle,
55 const char *name, int namelen,
56 struct inode *inode, u64 blkno,
57 struct buffer_head *parent_fe_bh,
58 struct ocfs2_dir_lookup_result *lookup);
59 static inline int ocfs2_add_entry(handle_t *handle,
60 struct dentry *dentry,
61 struct inode *inode, u64 blkno,
62 struct buffer_head *parent_fe_bh,
63 struct ocfs2_dir_lookup_result *lookup)
65 return __ocfs2_add_entry(handle, dentry->d_parent->d_inode,
66 dentry->d_name.name, dentry->d_name.len,
67 inode, blkno, parent_fe_bh, lookup);
69 int ocfs2_update_entry(struct inode *dir, handle_t *handle,
70 struct ocfs2_dir_lookup_result *res,
71 struct inode *new_entry_inode);
73 int ocfs2_check_dir_for_entry(struct inode *dir,
76 int ocfs2_empty_dir(struct inode *inode);
78 int ocfs2_find_files_on_disk(const char *name,
82 struct ocfs2_dir_lookup_result *res);
83 int ocfs2_lookup_ino_from_name(struct inode *dir, const char *name,
84 int namelen, u64 *blkno);
85 int ocfs2_readdir(struct file *filp, void *dirent, filldir_t filldir);
86 int ocfs2_dir_foreach(struct inode *inode, loff_t *f_pos, void *priv,
88 int ocfs2_prepare_dir_for_insert(struct ocfs2_super *osb,
90 struct buffer_head *parent_fe_bh,
93 struct ocfs2_dir_lookup_result *lookup);
94 struct ocfs2_alloc_context;
95 int ocfs2_fill_new_dir(struct ocfs2_super *osb,
99 struct buffer_head *fe_bh,
100 struct ocfs2_alloc_context *data_ac,
101 struct ocfs2_alloc_context *meta_ac);
103 int ocfs2_dx_dir_truncate(struct inode *dir, struct buffer_head *di_bh);
105 struct ocfs2_dir_block_trailer *ocfs2_dir_trailer_from_size(int blocksize,
107 #endif /* OCFS2_DIR_H */