On 11/01/2010 08:55 PM, Hugo Mills wrote: > On Mon, Nov 01, 2010 at 04:06:53PM +0800, liubo wrote: >> On 10/30/2010 09:39 PM, Hugo Mills wrote: >>> This patch introduces a basic form of progress monitoring for balance >>> operations, by counting the number of block groups remaining. The >>> information is exposed to userspace by an ioctl. >>> >> IMO, tracking the information of blocks which are balancing also makes >> sense. >> For example, the block information's blocknr. >> It can help us monitor better. > > I don't see how that will help. The block group IDs (which is all > that we get at this level) are effectively arbitrary 64-bit numbers, > and are what appear in the kernel logs. How could that information be > used to improve monitoring?
64-bit numbers are also shown in btrfs-debug-tree. With btrfs-debug-tree, it would be helpful to track balanced extent buffers. thanks, liubo > > I'm not ruling out the idea completely -- I just can't see at the > moment how it would be used. > > Hugo. > -- 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
