1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/* -*- mode: c; c-basic-offset: 8; -*-
 3 * vim: noexpandtab sw=8 ts=8 sts=0:
 4 *
 5 * dcache.h
 6 *
 7 * Function prototypes
 8 *
 9 * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
10 */
11
12#ifndef OCFS2_DCACHE_H
13#define OCFS2_DCACHE_H
14
15extern const struct dentry_operations ocfs2_dentry_ops;
16
17struct ocfs2_dentry_lock {
18	unsigned int		dl_count;
19	u64			dl_parent_blkno;
20
21	/*
22	 * The ocfs2_dentry_lock keeps an inode reference until
23	 * dl_lockres has been destroyed. This is usually done in
24	 * ->d_iput() anyway, so there should be minimal impact.
25	 */
26	struct inode		*dl_inode;
27	struct ocfs2_lock_res	dl_lockres;
28};
29
30int ocfs2_dentry_attach_lock(struct dentry *dentry, struct inode *inode,
31			     u64 parent_blkno);
32
33void ocfs2_dentry_lock_put(struct ocfs2_super *osb,
34			   struct ocfs2_dentry_lock *dl);
35
36struct dentry *ocfs2_find_local_alias(struct inode *inode, u64 parent_blkno,
37				      int skip_unhashed);
38
39void ocfs2_dentry_move(struct dentry *dentry, struct dentry *target,
40		       struct inode *old_dir, struct inode *new_dir);
41
42extern spinlock_t dentry_attach_lock;
43void ocfs2_dentry_attach_gen(struct dentry *dentry);
44
45#endif /* OCFS2_DCACHE_H */

 
 1/* -*- mode: c; c-basic-offset: 8; -*-
 2 * vim: noexpandtab sw=8 ts=8 sts=0:
 3 *
 4 * dcache.h
 5 *
 6 * Function prototypes
 7 *
 8 * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
 9 *
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.
14 *
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.
19 *
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.
24 */
25
26#ifndef OCFS2_DCACHE_H
27#define OCFS2_DCACHE_H
28
29extern const struct dentry_operations ocfs2_dentry_ops;
30
31struct ocfs2_dentry_lock {
32	unsigned int		dl_count;
33	u64			dl_parent_blkno;
34
35	/*
36	 * The ocfs2_dentry_lock keeps an inode reference until
37	 * dl_lockres has been destroyed. This is usually done in
38	 * ->d_iput() anyway, so there should be minimal impact.
39	 */
40	struct inode		*dl_inode;
41	struct ocfs2_lock_res	dl_lockres;
42};
43
44int ocfs2_dentry_attach_lock(struct dentry *dentry, struct inode *inode,
45			     u64 parent_blkno);
46
47void ocfs2_dentry_lock_put(struct ocfs2_super *osb,
48			   struct ocfs2_dentry_lock *dl);
49
50struct dentry *ocfs2_find_local_alias(struct inode *inode, u64 parent_blkno,
51				      int skip_unhashed);
52
53void ocfs2_dentry_move(struct dentry *dentry, struct dentry *target,
54		       struct inode *old_dir, struct inode *new_dir);
55
56extern spinlock_t dentry_attach_lock;
57void ocfs2_dentry_attach_gen(struct dentry *dentry);
58
59#endif /* OCFS2_DCACHE_H */