From 9dc1e4927bfabaf654738c9ecca3a4926a0aaeb5 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Thu, 4 Aug 2016 16:53:50 -0700 Subject: dax: unmap/truncate on device shutdown Invalidate all mappings of a device-dax instance when the device is unregistered. Signed-off-by: Dan Williams --- drivers/dax/dax.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/dax') diff --git a/drivers/dax/dax.c b/drivers/dax/dax.c index e8b9319aeadb..0a7899d5c65c 100644 --- a/drivers/dax/dax.c +++ b/drivers/dax/dax.c @@ -550,6 +550,7 @@ static void unregister_dax_dev(void *dev) */ dax_dev->alive = false; synchronize_rcu(); + unmap_mapping_range(dax_dev->inode->i_mapping, 0, 0, 1); cdev_del(cdev); device_unregister(dev); } -- cgit v1.2.3-59-g8ed1b