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