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authorDan Williams <dan.j.williams@intel.com>2017-12-21 18:18:27 -0800
committerDan Williams <dan.j.williams@intel.com>2018-01-19 16:50:53 -0800
commitb4b5798cea8f40ab61f3a2c79a26314465dd83e3 (patch)
tree6af0b815e7de22664f6807867cc0f25c8c7ce0d8 /drivers/dax
parent24f3478d664b1eaa6f8860d3aa521aebe51b2a62 (diff)
ext2: auto disable dax instead of failing mount
Bring the ext2 filesystem in line with xfs that only warns and continues when the "-o dax" option is specified to mount and the backing device does not support dax. This is in preparation for removing dax support from devices that do not enable get_user_pages() operations on dax mappings. In other words 'gup' support is required and configurations that were using so called 'page-less' dax will be converted back to using the page cache. Removing the broken 'page-less' dax support is a pre-requisite for removing the "EXPERIMENTAL" warning when mounting a filesystem in dax mode. Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dax')
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