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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* V9FS FID Management
*
* Copyright (C) 2005 by Eric Van Hensbergen <ericvh@gmail.com>
*/
#ifndef FS_9P_FID_H
#define FS_9P_FID_H
#include <linux/list.h>
struct p9_fid *v9fs_fid_lookup(struct dentry *dentry);
static inline struct p9_fid *v9fs_parent_fid(struct dentry *dentry)
{
return v9fs_fid_lookup(dentry->d_parent);
}
void v9fs_fid_add(struct dentry *dentry, struct p9_fid **fid);
struct p9_fid *v9fs_writeback_fid(struct dentry *dentry);
void v9fs_open_fid_add(struct inode *inode, struct p9_fid **fid);
static inline struct p9_fid *clone_fid(struct p9_fid *fid)
{
return IS_ERR(fid) ? fid : p9_client_walk(fid, 0, NULL, 1);
}
static inline struct p9_fid *v9fs_fid_clone(struct dentry *dentry)
{
struct p9_fid *fid, *nfid;
fid = v9fs_fid_lookup(dentry);
if (!fid || IS_ERR(fid))
return fid;
nfid = clone_fid(fid);
p9_fid_put(fid);
return nfid;
}
#endif
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