On Fri, May 19, 2023 at 08:49:18AM +0100, David Howells wrote: > direct_splice_read() is then modified to make use of this. This is less > efficient if we know in advance that we want to allocate the full buffer as > we can't so easily use bulk allocation, but it does mean in cases where we > might not want the full buffer (say we hit a hole in DIO), we don't have to > allocate it. Can you eplain the workloads we're trying to optimize for here? To me splice on O_DIRECT is more of a historic accident than an actually good use case..
