All tests run with O_DIRECT. Description of the labels:
- ext4: Default ext4 format
- ext4-wb: Default ext4 format but mounted with
data=writeback
- xfs-Nag: XFS formated with N allocation groups
- xfs-Nag-nb: XFS formated with N allocation groups
and mounted with
nobarrier
- xfs-Nag-nb-susw: XFS formated with N allocation groups and the
optimal values for
sunit and swidth
and mounted with nobarrier