linux/fs/smb/client/cached_dir.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 *  Functions to handle the cached directory entries
 *
 *  Copyright (c) 2022, Ronnie Sahlberg <[email protected]>
 */

#ifndef _CACHED_DIR_H
#define _CACHED_DIR_H


struct cached_dirent { … };

struct cached_dirents { … };

struct cached_fid { … };

/* default MAX_CACHED_FIDS is 16 */
struct cached_fids { … };

extern struct cached_fids *init_cached_dirs(void);
extern void free_cached_dirs(struct cached_fids *cfids);
extern int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon,
			   const char *path,
			   struct cifs_sb_info *cifs_sb,
			   bool lookup_only, struct cached_fid **cfid);
extern int open_cached_dir_by_dentry(struct cifs_tcon *tcon,
				     struct dentry *dentry,
				     struct cached_fid **cfid);
extern void close_cached_dir(struct cached_fid *cfid);
extern void drop_cached_dir_by_name(const unsigned int xid,
				    struct cifs_tcon *tcon,
				    const char *name,
				    struct cifs_sb_info *cifs_sb);
extern void close_all_cached_dirs(struct cifs_sb_info *cifs_sb);
extern void invalidate_all_cached_dirs(struct cifs_tcon *tcon);
extern int cached_dir_lease_break(struct cifs_tcon *tcon, __u8 lease_key[16]);

#endif			/* _CACHED_DIR_H */