#define tdb_lock_gradual(tdb1, ltype, flags, off, len) \
tdb_lock_gradual((struct tdb_context *)(tdb1), \
(ltype), (flags), (off), (len))
#define tdb_lock_gradual(tdb1, ltype, flags, off, len) \
tdb_lock_gradual((struct tdb_context *)(tdb1), \
(ltype), (flags), (off), (len))