On Fri, Jul 10 2009, David Woodhouse wrote: > In btrfs_discard_extent() we were only discarding half of a RAID1 or > RAID10 extent. > > We should be telling btrfs_map_block() that we want to write, so it > tells us about _all_ mirrors. If we tell it we're going to read, it'll > only tell us about a single mirror at a time. > > Signed-off-by: David Woodhouse <David.Woodhouse@xxxxxxxxx> > --- > Untested. Does anyone have any real devices that do TRIM yet, or do I > need to hack up an FTL to do it again? Get one of the OCZ vertex drives, they do trim. They use their own opcode for it, but it's there. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
