sys-fs/btrfs-progs
sys-fs/btrfsmaintenance
sys-fs/dosfstools
sys-fs/e2fsprogs
sys-fs/e2tools
sys-fs/f2fs-tools
sys-fs/jfsutils
sys-fs/mtools
sys-fs/ntfs3g
sys-fs/quota
sys-fs/reiserfsprogs
sys-fs/sysfsutils
sys-fs/udftools
sys-fs/xfsprogs
sys-fs/zfs
sys-fs/zfs-kmod