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authorDan Williams <dan.j.williams@intel.com>2016-02-24 14:02:11 -0800
committerVishal Verma <vishal.l.verma@intel.com>2016-05-18 12:16:56 -0600
commit0a70bd43053331d99881211e1d09f32de531432f (patch)
tree1f63c6ece9c22c30a99c19fd91a14dc1556dc7f6 /fs/dax.c
parent8b3db9798c689ba2dc509f6ca1a8c7e1c1a3e62a (diff)
dax: enable dax in the presence of known media errors (badblocks)
1/ If a mapping overlaps a bad sector fail the request. 2/ Do not opportunistically report more dax-capable capacity than is requested when errors present. Reviewed-by: Jeff Moyer <jmoyer@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dan Williams <dan.j.williams@intel.com> [vishal: fix a conflict with system RAM collision patches] [vishal: add a 'size' parameter to ->direct_access] [vishal: fix a conflict with DAX alignment check patches] Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Diffstat (limited to 'fs/dax.c')
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