hi, For information. i got some errors on testfs on this kernel: bash testfs.sh -v -v -y -z -D /dev/vserverpool/iozone -M /mnt/testfs -F ext4 [202]# succeeded. [203]# failed. do_dlimit_inodes /mnt/testfs 3 300 301 600 900 vtag --migrate --tag 300 -- rm -f /mnt/testfs/inodes-300* vtag --migrate --tag 300 -- touch /mnt/testfs/inodes-300-1 touch: cannot touch `/mnt/testfs/inodes-300-1': No space left on device [204]# failed. do_dlimit_verify /mnt/testfs 300 301 600 900 /mnt/ /mnt/aqueos10btrfs /mnt/testfs /mnt/testfs/lost+found /mnt/testfs/file_8971 /mnt/testfs/space-300 /mnt/testfs/dir_8971 sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime) proc on /proc type proc (rw,nosuid,nodev,noexec,relatime) udev on /dev type devtmpfs (rw,relatime,size=10240k,nr_inodes=2046366,mode=755) devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620) tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=1637872k,mode=755) /dev/disk/by-uuid/d78a2f2c-6f75-44f7-94a1-5d731dd907ee on / type ext4 (rw,noatime,errors=remount-ro,data=ordered) tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k) tmpfs on /run/shm type tmpfs (rw,nosuid,nodev,noexec,relatime,size=4056840k) /dev/md127 on /boot type ext4 (rw,noatime,stripe=4,data=ordered) /dev/mapper/vserverpool-VSERVERS_ROOT on /vservers type ext4 (rw,noatime,tag,data=ordered) /dev/mapper/vserverpool-VSERVERS_TMP on /vservers/tmp type ext4 (rw,nosuid,nodev,noexec,noatime,tag,data=ordered) vserver on /dev/cgroup type cgroup (rw,relatime,cpuset,cpu,cpuacct,memory,devices,freezer,net_cls,blkio,net_prio) /dev/mapper/vserverpool-iozone on /mnt/testfs type ext4 (rw,relatime,tag,data=ordered) Filesystem 1K-blocks Used Available Use% Mounted on /dev/mapper/vserverpool-iozone 30832636 45016 29198372 1% /mnt/testfs 300 /mnt/testfs space_used=16 space_total=32 inodes_used=5 inodes_total=5 reserved=0 Filesystem Inodes IUsed IFree IUse% Mounted on /dev/mapper/vserverpool-iozone 1966080 14 1966066 1% /mnt/testfs verify 300: space 0 = 0 verify 300: inode 0 = 0 [208]# failed. do_dlimit_add /mnt/testfs 128 10 300 301 600 900 [212]# failed. do_dlimit_verify /mnt/testfs 300 301 600 900 /mnt/ /mnt/aqueos10btrfs /mnt/testfs /mnt/testfs/cow-300 /mnt/testfs/lost+found /mnt/testfs/file_8971 /mnt/testfs/space-300 /mnt/testfs/dir_8971 /mnt/testfs/cow-300-0 /mnt/testfs/cow-300-1 /mnt/testfs/cow-300-2 sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime) proc on /proc type proc (rw,nosuid,nodev,noexec,relatime) udev on /dev type devtmpfs (rw,relatime,size=10240k,nr_inodes=2046366,mode=755) devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620) tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=1637872k,mode=755) /dev/disk/by-uuid/d78a2f2c-6f75-44f7-94a1-5d731dd907ee on / type ext4 (rw,noatime,errors=remount-ro,data=ordered) tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k) tmpfs on /run/shm type tmpfs (rw,nosuid,nodev,noexec,relatime,size=4056840k) /dev/md127 on /boot type ext4 (rw,noatime,stripe=4,data=ordered) /dev/mapper/vserverpool-VSERVERS_ROOT on /vservers type ext4 (rw,noatime,tag,data=ordered) /dev/mapper/vserverpool-VSERVERS_TMP on /vservers/tmp type ext4 (rw,nosuid,nodev,noexec,noatime,tag,data=ordered) vserver on /dev/cgroup type cgroup (rw,relatime,cpuset,cpu,cpuacct,memory,devices,freezer,net_cls,blkio,net_prio) /dev/mapper/vserverpool-iozone on /mnt/testfs type ext4 (rw,relatime,tag,data=ordered) Filesystem 1K-blocks Used Available Use% Mounted on /dev/mapper/vserverpool-iozone 30832636 45024 29198364 1% /mnt/testfs 300 /mnt/testfs space_used=24 space_total=128 inodes_used=14 inodes_total=10 reserved=0 Filesystem Inodes IUsed IFree IUse% Mounted on /dev/mapper/vserverpool-iozone 1966080 17 1966063 1% /mnt/testfs verify 300: space 24 = 24 verify 300: inode 3 = 14 verify 300: 3 ~ 14 [213]# failed. do_dlimit_cowtest /mnt/testfs 43 3 300 301 600 900 vtag --migrate --tag 300 -- rm -f /mnt/testfs/cow-300 /mnt/testfs/cow-300-0 /mnt/testfs/cow-300-1 /mnt/testfs/cow-300-2 vtag --migrate --tag 300 -- dd if=/dev/zero of=/mnt/testfs/cow-300 bs=1k count=43 dd: opening `/mnt/testfs/cow-300': No space left on device ------------------------------------ LV Path /dev/vserverpool/iozone LV Name iozone VG Name vserverpool LV Write Access read/write LV Status available # open 0 LV Size 30.00 GiB