162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * dcache.h 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Function prototypes 662306a36Sopenharmony_ci * 762306a36Sopenharmony_ci * Copyright (C) 2002, 2004 Oracle. All rights reserved. 862306a36Sopenharmony_ci */ 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci#ifndef OCFS2_DCACHE_H 1162306a36Sopenharmony_ci#define OCFS2_DCACHE_H 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_ciextern const struct dentry_operations ocfs2_dentry_ops; 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_cistruct ocfs2_dentry_lock { 1662306a36Sopenharmony_ci unsigned int dl_count; 1762306a36Sopenharmony_ci u64 dl_parent_blkno; 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ci /* 2062306a36Sopenharmony_ci * The ocfs2_dentry_lock keeps an inode reference until 2162306a36Sopenharmony_ci * dl_lockres has been destroyed. This is usually done in 2262306a36Sopenharmony_ci * ->d_iput() anyway, so there should be minimal impact. 2362306a36Sopenharmony_ci */ 2462306a36Sopenharmony_ci struct inode *dl_inode; 2562306a36Sopenharmony_ci struct ocfs2_lock_res dl_lockres; 2662306a36Sopenharmony_ci}; 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ciint ocfs2_dentry_attach_lock(struct dentry *dentry, struct inode *inode, 2962306a36Sopenharmony_ci u64 parent_blkno); 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_civoid ocfs2_dentry_lock_put(struct ocfs2_super *osb, 3262306a36Sopenharmony_ci struct ocfs2_dentry_lock *dl); 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_cistruct dentry *ocfs2_find_local_alias(struct inode *inode, u64 parent_blkno, 3562306a36Sopenharmony_ci int skip_unhashed); 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_civoid ocfs2_dentry_move(struct dentry *dentry, struct dentry *target, 3862306a36Sopenharmony_ci struct inode *old_dir, struct inode *new_dir); 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ciextern spinlock_t dentry_attach_lock; 4162306a36Sopenharmony_civoid ocfs2_dentry_attach_gen(struct dentry *dentry); 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_ci#endif /* OCFS2_DCACHE_H */ 44