On Thu, 2008-03-27 at 11:55 -0700, H. Peter Anvin wrote: > Kay Sievers wrote: > >> > >> And it's not just a few 10s of lines of code currently, > >> but rather about 80-100 lines just to find the correct device subdir, > >> and *then* a few more 10s of lines of code to retrieve the value. > > > > Hmm, 100 lines? What else do you need? > > > > $ grep -l 8:3 /sys/class/block/*/dev > > /sys/class/block/sdc/dev > > > > That's particularly funny, because your very own example gives the wrong > result -- sdc is 8:32 not 8:3 (which is sdc3, which is also excluded by > your search.) Very true, but I guess you get the idea, and know how to add the proper string match to grep. :) > Not to mention the fact that it is still O(n). Any real numbers from a large setup, which show that we want to have a reverse devnum map in sysfs? Thanks, Kay -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html