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authorDan Williams <dan.j.williams@intel.com>2018-03-29 17:22:13 -0700
committerDan Williams <dan.j.williams@intel.com>2018-04-03 05:41:19 -0700
commit976431b02c2ef92ae3f8b6a7d699fc554025e118 (patch)
treee05121a5ccc869096a1732847f92e4b485106336 /drivers/dax
parentdax: introduce CONFIG_DAX_DRIVER (diff)
downloadlinux-dev-976431b02c2ef92ae3f8b6a7d699fc554025e118.tar.xz
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dax, dm: allow device-mapper to operate without dax support
Change device-mapper's DAX dependency to require the presence of at least one DAX_DRIVER. This allows device-mapper to be built without bringing the DAX core along which is especially wasteful when there are no DAX drivers, like BLK_DEV_PMEM, configured. Cc: Alasdair Kergon <agk@redhat.com> Reported-by: Bart Van Assche <Bart.VanAssche@wdc.com> Reported-by: kbuild test robot <lkp@intel.com> Reported-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dax')
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