@@ -1844,6 +1844,12 @@ static int crypt_iterate_devices(struct dm_target *ti,
return fn(ti, cc->dev, cc->start, ti->len, data);
}
+static void crypt_io_hints(struct dm_target *ti,
+ struct queue_limits *limits)
+{
+ limits->max_write_same_sectors = 0;
+}
+
static struct target_type crypt_target = {
.name = "crypt",
.version = {1, 11, 0},
@@ -1858,6 +1864,7 @@ static struct target_type crypt_target = {
.message = crypt_message,
.merge = crypt_merge,
.iterate_devices = crypt_iterate_devices,
+ .io_hints = crypt_io_hints,
};
static int __init dm_crypt_init(void)