On Thu, Aug 08, 2013 at 04:07:07PM +0800, Anand Jain wrote: > As of now btrfs filesystem show reads directly from > disks. So sometimes output can be stale, mainly when > user want to verify their last operation like, > labeling or device delete or add... etc. > > This patch adds --kernel option to the 'filesystem show' > subcli, which will read from the kernel instead of > the disks directly.
Why should this be an option? When mounted, the kernel cache is authoritative. It was always a bug to read stale data from disk. The kernel should be read first, and if that isn't available it can fall back to offering unreliable data from disk with a giant wraning. Right? - z -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html