#ifndef _CACHED_DIR_H
#define _CACHED_DIR_H
struct cached_dirent {
struct list_head entry;
char *name;
int namelen;
loff_t pos;
struct cifs_fattr fattr;
};
struct cached_dirents {
bool is_valid:1;
bool is_failed:1;
struct dir_context *ctx;
struct mutex de_mutex;
int pos;
struct list_head entries;
};
struct cached_fid {
struct list_head entry;
struct cached_fids *cfids;
const char *path;
bool has_lease:1;
bool is_open:1;
bool on_list:1;
bool file_all_info_is_valid:1;
unsigned long time;
struct kref refcount;
struct cifs_fid fid;
spinlock_t fid_lock;
struct cifs_tcon *tcon;
struct dentry *dentry;
struct work_struct lease_break;
struct smb2_file_all_info file_all_info;
struct cached_dirents dirents;
};
struct cached_fids {
spinlock_t cfid_list_lock;
int num_entries;
struct list_head entries;
struct delayed_work laundromat_work;
};
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 */