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authorDan Williams <dan.j.williams@intel.com>2016-08-04 16:53:50 -0700
committerDan Williams <dan.j.williams@intel.com>2016-08-23 22:58:51 -0700
commit9dc1e4927bfabaf654738c9ecca3a4926a0aaeb5 (patch)
tree6a8eb0625e290f6cecd71900c47345d63791d8f4 /drivers/dax/dax.c
parent3bc52c45bac26bf7ed1dc8d287ad1aeaed1250b6 (diff)
dax: unmap/truncate on device shutdown
Invalidate all mappings of a device-dax instance when the device is unregistered. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dax/dax.c')
-rw-r--r--drivers/dax/dax.c1
1 files changed, 1 insertions, 0 deletions
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);
}