On Tue, Sep 27, 2016 at 06:08:24PM +0200, Jan Kara wrote: > Currently we never clear dirty tags in DAX mappings and thus address > ranges to flush accumulate. Now that we have locking of radix tree > entries, we have all the locking necessary to reliably clear the radix > tree dirty tag when flushing caches for corresponding address range. > Similarly to page_mkclean() we also have to write-protect pages to get a > page fault when the page is next written to so that we can mark the > entry dirty again. > > Signed-off-by: Jan Kara <[email protected]>
Looks great. Reviewed-by: Ross Zwisler <[email protected]> _______________________________________________ Linux-nvdimm mailing list [email protected] https://lists.01.org/mailman/listinfo/linux-nvdimm
