tree 6a8eb0625e290f6cecd71900c47345d63791d8f4
parent 3bc52c45bac26bf7ed1dc8d287ad1aeaed1250b6
author Dan Williams <dan.j.williams@intel.com> 1470354830 -0700
committer Dan Williams <dan.j.williams@intel.com> 1472018331 -0700

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>