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由 Jan Kara 提交于
All the filesystems are now zeroing blocks themselves for DAX IO to avoid races between dax_io() and dax_fault(). Remove the zeroing code from dax_io() and add warning to catch the case when somebody unexpectedly returns new or unwritten buffer. Reviewed-by: NRoss Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: NJan Kara <jack@suse.cz> Signed-off-by: NVishal Verma <vishal.l.verma@intel.com>
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