| commit | 6d7cd8c1373746a93dc868ee9d38a82df78b38aa | [log] [tgz] |
|---|---|---|
| author | Matthew Wilcox <willy@infradead.org> | Tue Nov 06 13:11:57 2018 -0500 |
| committer | Matthew Wilcox <willy@infradead.org> | Fri Nov 16 16:38:49 2018 -0500 |
| tree | 9093681b9b452e62a95805b3e00c2c46eef3d50f | |
| parent | 5404a7f1c21cfda061712bedf2d06cc0f6c755e9 [diff] |
dax: Remove optimisation from dax_lock_mapping_entry
Skipping some of the revalidation after we sleep can lead to returning
a mapping which has already been freed. Just drop this optimisation.
Reported-by: Dan Williams <dan.j.williams@intel.com>
Fixes: 9f32d221301c ("dax: Convert dax_lock_mapping_entry to XArray")
Signed-off-by: Matthew Wilcox <willy@infradead.org>