What btrfs does for the btree inode is insane, and I'm pretty sure I already complained about it. It really needs to stop registering that inode with the writeback code and just driver it manually. Same as other filesystems do for their "micro-managed" metadata. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html