On Fri, May 23, 2025 at 11:27:22AM -0500, Eric Blake wrote: > Fiona reported that an ext4 filesystem on top of LVM can sometimes > report over-allocation to du (based on the hueristics the filesystem
and despite my other edits, I still missed fixing my typo on heuristics > is making while observing the contents being mirrored); even though > the contents and actual size matched, about 50% of the time the size > reported by disk_usage was too large by 4k, failing the test. In > auditing other iotests, this is a common problem we've had to deal > with. > > Reported-by: Fiona Ebner <f.eb...@proxmox.com> > Fixes: c0ddcb2c ("tests: Add iotest mirror-sparse for recent patches") > Signed-off-by: Eric Blake <ebl...@redhat.com> > Reviewed-by: Fiona Ebner <f.eb...@proxmox.com> > Tested-by: Fiona Ebner <f.eb...@proxmox.com> > -- Eric Blake, Principal Software Engineer Red Hat, Inc. Virtualization: qemu.org | libguestfs.org