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
Received on Mon Jul 6 14:15:57 2015