dm mpath: refactor pg_init

[safe/jmp/linux-2.6] / drivers / md / dm-delay.c

diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index 8ad8a90..ebe7381 100644 (file)
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -318,9 +318,26 @@ static int delay_status(struct dm_target *ti, status_type_t type,
        return 0;
 }
 
+static int delay_iterate_devices(struct dm_target *ti,
+                                iterate_devices_callout_fn fn, void *data)
+{
+       struct delay_c *dc = ti->private;
+       int ret = 0;
+
+       ret = fn(ti, dc->dev_read, dc->start_read, ti->len, data);
+       if (ret)
+               goto out;
+
+       if (dc->dev_write)
+               ret = fn(ti, dc->dev_write, dc->start_write, ti->len, data);
+
+out:
+       return ret;
+}
+
 static struct target_type delay_target = {
        .name        = "delay",
-       .version     = {1, 0, 2},
+       .version     = {1, 1, 0},
        .module      = THIS_MODULE,
        .ctr         = delay_ctr,
        .dtr         = delay_dtr,
@@ -328,6 +345,7 @@ static struct target_type delay_target = {
        .presuspend  = delay_presuspend,
        .resume      = delay_resume,
        .status      = delay_status,
+       .iterate_devices = delay_iterate_devices,
 };
 
 static int __init dm_delay_init(void)