Christoph Hellwig ea31d5859f device-dax: use the dev_pagemap internal refcount ...

The functionality is identical to the one currently open coded in
device-dax.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Tested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

2019-07-02 14:32:44 -03:00

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