On Wed, Jan 13, 2010 at 05:25:03AM -0500, Christoph Hellwig wrote: > On Tue, Jan 12, 2010 at 03:25:13PM -0500, Josef Bacik wrote: > > df is a very loaded question in btrfs. This gives us a way to get the per-space > > usage information so we can tell exactly what is in use where. This will help > > us figure out ENOSPC problems, and help users better understand where their disk > > space is going. > > Just as discussed before I think it's a really bad idea. We always had > df reporting inconsistencies due to the way metadata is managed, and > btrfs isn't special in that way. This is more than just df being inaccurate, it's a way to find out how much space is used by each of the raid modes. We've had a ton of feature requests for this, and it really helps identify drives that have a ton of free space tied up for data vs metadata. -chris -- 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
