smb: change return type of cached_dir_lease_break() to bool

cached_dir_lease_break() has return type as int but only
returning true or false. change return type of this function
to bool for clarity.

Signed-off-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

Author: bharathsm-ms

fs/smb/client/cached_dir.c

@@ -617,7 +617,7 @@ static void cached_dir_put_work(struct work_struct *work)
 	queue_work(serverclose_wq, &cfid->close_work);
 }
 
-int cached_dir_lease_break(struct cifs_tcon *tcon, __u8 lease_key[16])
+bool cached_dir_lease_break(struct cifs_tcon *tcon, __u8 lease_key[16])
 {
 	struct cached_fids *cfids = tcon->cfids;
 	struct cached_fid *cfid;

fs/smb/client/cached_dir.h

@@ -80,6 +80,6 @@ extern void drop_cached_dir_by_name(const unsigned int xid,
 				    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]);
+extern bool cached_dir_lease_break(struct cifs_tcon *tcon, __u8 lease_key[16]);
 
 #endif			/* _CACHED_DIR_H */