Pierre Ossman <drzeus-list@xxxxxxxxx> writes: > On Fri, 22 Aug 2008 23:49:07 +0900 > OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx> wrote: > >> >> That doesn't have improvement? E.g. it means the results >> >> dd if=/dev/zero of=/dev/xxx >> and >> ./discard_all /dev/xxx >> dd if=/dev/zero of=/dev/xxx >> >> are same? Or FAT doesn't have? > > I have tried those two and others, and I cannot see any noticeable > difference in performance. Please perform your own tests though as I > might have overlooked something. I see, sounds like erase commands of sd/mmc was ignored. It's interesting results, and I'd like to test and see the detail of it, however, unfortunately I don't have proper devices now. Anyway, thanks for info. -- OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
