On Fri, 31 Aug 2007, Jens Axboe wrote: > > Ok. So another solution maybe to limit the blocksizes that can be used > > with a device? > > That'd work for creation, but not for moving things around. What do you mean by moving things around? Creation binds a filesystem to a device. > > Hmmmm.. We could keep the existing scheme too and check that device > > drivers split things up if they are too large? Isnt it possible today > > to create a huge bio of 2M for huge pages and send it to a device? > > Not sure, aren't the constituents of compound pages the basis for IO? get_user_pages() serializes compound pages into the base pages. But doesnt the I/O layer coalesce these later into 2M chunks again? - 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
