On Tue, Dec 18, 2007 at 08:44:40AM +0100, Jens Axboe wrote: > On Sat, Dec 15 2007, Nick Piggin wrote: > > Hi, > > > > This is just an idea I had, which might make request processing a little > > bit cheaper depending on queue behaviour. For example if it is getting plugged > > unplugged frequently (as I think is the case for some database workloads), > > then we might save one or two atomic operations per request. > > > > Anyway, I'm not completely sure if I have ensured all queue_flags users are > > safe (I think md may need a bit of help). But overall it seems quite doable. > > Looks ok to me, I'll throw it into the testing mix. Thanks Nick! OK... actually if you are expecting it to be widely tested, can you change the BUG_ONs in queue_flag_set / queue_flag_clear into WARN_ON? That way it's less likely to take down people's systems... Thanks! - 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
