On Thu, 15 Feb 2007 20:30:43 +0300 Alex Tomas <alex@xxxxxxxxxxxxx> wrote: > >>>>> Eric Sandeen (ES) writes: > > ES> Andrew Morton wrote: > >> Sorry, we're seriously, seriously, seriously short on flags in the page > >> struct and this patch is going to need one heck of a good case for it to be > >> acceptable. > > ES> This was for the delayed allocation patchset, right; and by managing > ES> this at the page level that means we can't do this for block size < > ES> page size, I think... > > I still think that having PG_booked and special code to handle > case when blocksize==pagesize is worthwhile -- we save 56 bytes > on 32bit and 104 bytes on 64bit for every written page. > If the page doesn't have buffer-heads, set PG_private and clear page->private If the page does have buffer_heads, use BH_Delay. - 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
