On 02/05/2015 11:23 AM, Christoph Hellwig wrote: > On Thu, Feb 05, 2015 at 11:06:04AM -0500, Anna Schumaker wrote: >>> If the READ_PLUS implementation can't use the splice read path it's >>> probably a loss for most workloads. >>> >> >> I'll play around with the splice path, but I don't think it was designed for encoding multiple read segments. > > The problem is that the typical case of all data won't use splice > every with your patches as the 4.2 client will always send a READ_PLUS. > > So we'll have to find a way to use it where it helps. While we might be > able to add some hacks to only use splice for the first segment I guess > we just need to make the splice support generic enough in the long run. > I should be able to use splice if I detect that we're only returning a single DATA segment easily enough. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
