On Thu, Mar 10, 2016 at 01:33:34PM +0500, Roman Mamedov wrote: > On Thu, 10 Mar 2016 01:24:44 -0700 > Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote: > > > kernel 4.5.0 rc7 > > btrfs-progs-4.4.1-1 > > > > Summary: A new empty mixed block group "-M" filesystem shows up as > > 100% full with regular df (gnu coreutils 8.24). Pretty sure this is > > not a regression, but no regression testing done. > > > > > > https://bugzilla.kernel.org/show_bug.cgi?id=114281 > > Just guessing here, but this might be related? > > [PATCH] btrfs: statfs: report zero available if metadata are exhausted > http://www.spinics.net/lists/linux-btrfs/msg48013.html > > Maybe some maths there are wrong in case of a mixed blockgroup filesystem. Yes it's caused by the referenced patch. The statfs has been broken for mixed blockgroups but the 100% used on empty filesystem looks weird, so it's time to fix the mixed-bg case. -- 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
