Benjamin LaHaise <bcrl@xxxxxxxxx> writes: > On Mon, Oct 15, 2012 at 05:27:44PM -0700, Zach Brown wrote: >> The possibility of removing retry and cancelation came up a few times >> plumbers this year. I finally gave it a try. >> >> Removing retry is a good iea. It's of little value because retry >> happens in a kernel thread, not in the submitter's task. > > Getting rid of retry is probably a good idea. > >> I'm ambivalent about removing cancelation. The code is almost >> never used, though, so I figured it'd be interesting to see >> if we can get away with getting rid of it. > > Canellation *cannot* be removed. If you remove cancellation, processes > with outstanding ios at exit() time will never release their resources. Please explain. wait_for_active_reqs will wait until all outstanding I/O has completed before returning. What resources do you think will be left? Cheers, Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
