On Tue, Jun 09, 2015 at 09:49:22PM +0800, Ming Lei wrote: > When direct read IO is submitted from kernel, it is often > unnecessary to dirty pages, for example of loop, dirtying pages > have been considered in the upper filesystem(over loop) side > already, and they don't need to be dirtied again. > > So this patch doesn't dirtying pages for ITER_BVEC/ITER_KVEC > direct read, and loop should be the 1st case to use ITER_BVEC/ITER_KVEC > for direct read I/O. > > The patch is based on previous Dave's patch.
Looks good, thanks! Reviewed-by: Christoph Hellwig <[email protected]> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
