On Mon, Jun 19, 2017 at 02:45:31PM +0200, Jan Kara wrote: > dax_writeback_mapping_range() fails to update iteration index when > searching radix tree for entries needing cache flushing. Thus each > pagevec worth of entries is searched starting from the start which is > inefficient and prone to livelocks. Update index properly. > > CC: stable@xxxxxxxxxxxxxxx > Fixes: 9973c98ecfda3a1dfcab981665b5f1e39bcde64a > Signed-off-by: Jan Kara <jack@xxxxxxx> Yep, this seems good, thanks. Reviewed-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>