On Thu, Sep 03, 2009 at 06:52:20PM +0100, David Woodhouse wrote: > On Sat, 2009-08-29 at 19:03 -0400, Christoph Hellwig wrote: > > > > The commands are conceptually writes, and in the case of IDE and SCSI > > commands actually are writes. They were only reads because we thought > > that would interact better with the elevators. Now the elevators know > > about discard requests, that advantage no longer exists. > > Can you drop the final sentence of that? It isn't true, and I never said > it. No, but you wouldn't give me a changelog entry, so I had to make something up. > s/. Now.*/, but that isn't necessary, and making them writes makes it > easier for the low-level IDE and SCSI code to cope with the fact that > the command has to be sent with a payload./ Thanks. -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
