[PATCH] rbd: revalidate_disk upon rbd resize

[Laurent Barbe <laurent@ksperis.com>]

If rbd disk is open and rbd resize is done, new size is not visible by
filesystem.
Like is done in virtio-blk and dm driver, revalidate_disk() permits to
update the bd_inode size.

Signed-off-by: Laurent Barbe <laurent@ksperis.com>
---
 drivers/block/rbd.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 4daa400..5f88de9 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1883,6 +1883,7 @@ static int rbd_dev_refresh(struct rbd_device *rbd_dev, u64 *hver)
 	else
 		ret = rbd_dev_v2_refresh(rbd_dev, hver);
 	mutex_unlock(&ctl_mutex);
+	revalidate_disk(rbd_dev->disk);
 
 	return ret;
 }
-- 
1.7.10.4