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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * V9FS FID Management
- *
- * Copyright (C) 2005 by Eric Van Hensbergen <[email protected]>
- */
- #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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