dax: Remove optimisation from dax_lock_mapping_entry

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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: 9f32d22130 ("dax: Convert dax_lock_mapping_entry to XArray")
Signed-off-by: Matthew Wilcox <willy@infradead.org>

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Matthew Wilcox 2018-11-06 13:11:57 -05:00

parent 5404a7f1c2

commit 6d7cd8c137

1 changed files with 2 additions and 5 deletions

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