On Thu, Jan 09, 2014 at 02:52:27PM +0000, Chris Mason wrote: > > You may need to upgrade the kernel to get new features offered by a > > new userspace, but I think we should absolutely not be changing > > userspace in a way that makes it incompatible with older kernels. > > I'd really prefer that we maintain compatibility with the older kernels. > Heavy btrfs usage is going to want a newer kernel anyway, but this is an > important policy to keep in place for the future. I agree. > Especially since Wang went to the trouble of making the patch, I'd > rather take it. What do you think about adding #ifdef's around the code? That way we'll know that's for backwards compatibility only and up to what kernel version. It will be easier to remove it in the far future. david -- 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
