On Sun, Apr 05 2009, Mark Lord wrote: > Linus Torvalds wrote: >> >> Non-rotational media would tend to want the unplugging, but the block >> layer already does that (ie in __make_request() we already do: >> >> if (unplug || blk_queue_nonrot(q)) >> __generic_unplug_device(q); >> >> so non-rotational devices get unplugged whether the request was a >> unplugging request or not). > .. > > Mmm.. except that Jeff's SSD doesn't appear to identify itself > as a non-rotating media. I suppose there's a way to "quirk" that > somewhere, though. You can quirk it in userspace, just have it set the 'rotational' sysfs file to 0 if it matches make/model/whatever. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
