On Thu, Nov 15, 2018 at 06:18:11PM -0800, Omar Sandoval wrote: > This commit message wasn't very clear. Is it the case that > QUEUE_FLAG_NO_SG_MERGE is no longer set by any drivers? I think he wants to say that not doing S/G merging is rather pointless with the current setup of the I/O path, as it isn't going to save you a significant amount of cycles.