linux/fs/9p/fid.h

/* 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>
#include "v9fs.h"

struct p9_fid *v9fs_fid_find_inode(struct inode *inode, bool want_writeable,
	kuid_t uid, bool any);
struct p9_fid *v9fs_fid_lookup(struct dentry *dentry);
static inline struct p9_fid *v9fs_parent_fid(struct dentry *dentry)
{ … }
void v9fs_fid_add(struct dentry *dentry, struct p9_fid **fid);
void v9fs_open_fid_add(struct inode *inode, struct p9_fid **fid);
static inline struct p9_fid *clone_fid(struct p9_fid *fid)
{ … }
static inline struct p9_fid *v9fs_fid_clone(struct dentry *dentry)
{ … }
/**
 * v9fs_fid_addmodes - add cache flags to fid mode (for client use only)
 * @fid: fid to augment
 * @s_flags: session info mount flags
 * @s_cache: session info cache flags
 * @f_flags: unix open flags
 *
 * make sure mode reflects flags of underlying mounts
 * also qid.version == 0 reflects a synthetic or legacy file system
 * NOTE: these are set after open so only reflect 9p client not
 * underlying file system on server.
 */
static inline void v9fs_fid_add_modes(struct p9_fid *fid, unsigned int s_flags,
	unsigned int s_cache, unsigned int f_flags)
{ … }
#endif