On Thu, Apr 12, 2012 at 03:42:17PM -0400, Ted Ts'o wrote: > On Wed, Apr 11, 2012 at 04:42:48PM -0400, Josef Bacik wrote: > > Btrfs stores generation numbers as 64bit numbers, which means we have to > > carry around a u64 in our incore inode in addition to setting i_generation. > > So convert to a u64 so btrfs can kill it's incore generation. Thanks, > > > > Signed-off-by: Josef Bacik <[email protected]> > > Why is btrfs using a 64-bit generation number, out of curiosity? The > only user of the inode generation number as far as I can tell is NFS, > and even NFSv4 is using a 32-bit generation number.... >
It's just tied to our transaction id #'s which are 64bit, no super awesome reason or anything. Thanks, Josef -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
