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- /* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
- * dcache.h
- *
- * Function prototypes
- *
- * Copyright (C) 2002, 2004 Oracle. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 021110-1307, USA.
- */
- #ifndef OCFS2_DCACHE_H
- #define OCFS2_DCACHE_H
- extern const struct dentry_operations ocfs2_dentry_ops;
- struct ocfs2_dentry_lock {
- unsigned int dl_count;
- u64 dl_parent_blkno;
- /*
- * The ocfs2_dentry_lock keeps an inode reference until
- * dl_lockres has been destroyed. This is usually done in
- * ->d_iput() anyway, so there should be minimal impact.
- */
- struct inode *dl_inode;
- struct ocfs2_lock_res dl_lockres;
- };
- int ocfs2_dentry_attach_lock(struct dentry *dentry, struct inode *inode,
- u64 parent_blkno);
- void ocfs2_dentry_lock_put(struct ocfs2_super *osb,
- struct ocfs2_dentry_lock *dl);
- struct dentry *ocfs2_find_local_alias(struct inode *inode, u64 parent_blkno,
- int skip_unhashed);
- void ocfs2_dentry_move(struct dentry *dentry, struct dentry *target,
- struct inode *old_dir, struct inode *new_dir);
- extern spinlock_t dentry_attach_lock;
- void ocfs2_dentry_attach_gen(struct dentry *dentry);
- #endif /* OCFS2_DCACHE_H */
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