Merge branch 'topic/pcm-drain-nonblock' into for-linus

[pandora-kernel.git] / drivers / md / dm-stripe.c

diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
index 4e0e593..3e563d2 100644 (file)
--- a/drivers/md/dm-stripe.c
+++ b/drivers/md/dm-stripe.c
@@ -329,9 +329,19 @@ static int stripe_iterate_devices(struct dm_target *ti,
        return ret;
 }
 
+static void stripe_io_hints(struct dm_target *ti,
+                           struct queue_limits *limits)
+{
+       struct stripe_c *sc = ti->private;
+       unsigned chunk_size = (sc->chunk_mask + 1) << 9;
+
+       blk_limits_io_min(limits, chunk_size);
+       limits->io_opt = chunk_size * sc->stripes;
+}
+
 static struct target_type stripe_target = {
        .name   = "striped",
-       .version = {1, 2, 0},
+       .version = {1, 3, 0},
        .module = THIS_MODULE,
        .ctr    = stripe_ctr,
        .dtr    = stripe_dtr,
@@ -339,6 +349,7 @@ static struct target_type stripe_target = {
        .end_io = stripe_end_io,
        .status = stripe_status,
        .iterate_devices = stripe_iterate_devices,
+       .io_hints = stripe_io_hints,
 };
 
 int __init dm_stripe_init(void)