Thanks, I'll give space_cache=v2 a shot.
My mount options are: rw,relatime,space_cache,autodefrag,subvolid=5,subvol=/ -- 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