diff mbox

[7/7] dax: unmap/truncate on device shutdown

Message ID 147131793557.13727.4080875938782302791.stgit@dwillia2-desk3.amr.corp.intel.com (mailing list archive)
State Accepted
Commit 9dc1e4927bfa
Headers show

Commit Message

Dan Williams Aug. 16, 2016, 3:25 a.m. UTC 
Invalidate all mappings of a device-dax instance when the device is
unregistered.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dax/dax.c |    1 +
 1 file changed, 1 insertion(+)
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Patch

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);
 }