dm target:s introduce iterate devices fn

[net-next-2.6.git] / drivers / md / dm-crypt.c

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 04db6c4004a8c387d6c361f7ce036173fa2e6bfb..9933eb861c7191b34fe43b9ac01deb5e44bd614f 100644 (file)
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1313,9 +1313,17 @@ static int crypt_merge(struct dm_target *ti, struct bvec_merge_data *bvm,
        return min(max_size, q->merge_bvec_fn(q, bvm, biovec));
 }
 
+static int crypt_iterate_devices(struct dm_target *ti,
+                                iterate_devices_callout_fn fn, void *data)
+{
+       struct crypt_config *cc = ti->private;
+
+       return fn(ti, cc->dev, cc->start, data);
+}
+
 static struct target_type crypt_target = {
        .name   = "crypt",
-       .version= {1, 6, 0},
+       .version = {1, 7, 0},
        .module = THIS_MODULE,
        .ctr    = crypt_ctr,
        .dtr    = crypt_dtr,
@@ -1326,6 +1334,7 @@ static struct target_type crypt_target = {
        .resume = crypt_resume,
        .message = crypt_message,
        .merge  = crypt_merge,
+       .iterate_devices = crypt_iterate_devices,
 };
 
 static int __init dm_crypt_init(void)