46 строки
1.2 KiB
C
46 строки
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* -*- mode: c; c-basic-offset: 8; -*-
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* vim: noexpandtab sw=8 ts=8 sts=0:
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*
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* dcache.h
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*
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* Function prototypes
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*
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* Copyright (C) 2002, 2004 Oracle. All rights reserved.
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*/
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#ifndef OCFS2_DCACHE_H
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#define OCFS2_DCACHE_H
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extern const struct dentry_operations ocfs2_dentry_ops;
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struct ocfs2_dentry_lock {
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unsigned int dl_count;
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u64 dl_parent_blkno;
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/*
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* The ocfs2_dentry_lock keeps an inode reference until
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* dl_lockres has been destroyed. This is usually done in
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* ->d_iput() anyway, so there should be minimal impact.
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*/
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struct inode *dl_inode;
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struct ocfs2_lock_res dl_lockres;
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};
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int ocfs2_dentry_attach_lock(struct dentry *dentry, struct inode *inode,
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u64 parent_blkno);
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void ocfs2_dentry_lock_put(struct ocfs2_super *osb,
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struct ocfs2_dentry_lock *dl);
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struct dentry *ocfs2_find_local_alias(struct inode *inode, u64 parent_blkno,
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int skip_unhashed);
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void ocfs2_dentry_move(struct dentry *dentry, struct dentry *target,
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struct inode *old_dir, struct inode *new_dir);
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extern spinlock_t dentry_attach_lock;
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void ocfs2_dentry_attach_gen(struct dentry *dentry);
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#endif /* OCFS2_DCACHE_H */
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