xfs_quota: cannot set limits.Why ?

[Michael Weissenbacher]

Hi Frank!
The problem is that you cannot set usrquota and grpquota via a remount command. You must take care that these flags are set on the very first mount of the filesystem. Otherwise they are silently ignored and quotas are not enforced at all.

hth,
Michael

-------- Original-Nachricht --------
Betreff: xfs_quota: cannot set limits.Why ?
Von: Frank Peng <fpeng at galactic.com.hk>
An: xfs at oss.sgi.com
Datum: 19.08.2009 12:21

> Dear sir,
> 
> linux-nr79:~ # cat /etc/issue
> Welcome to openSUSE 11.1 - Kernel \r (\l).
> 
> linux-nr79:/boot # cat config-2.6.27.7-9-default | grep XFS
> CONFIG_XFS_FS=m
> CONFIG_XFS_QUOTA=y
> CONFIG_XFS_DMAPI=y
> CONFIG_XFS_POSIX_ACL=y
> CONFIG_XFS_RT=y
> # CONFIG_XFS_DEBUG is not set
> CONFIG_VXFS_FS=m
> 
> linux-nr79:~ # mount /dev/sdc1 /xfs
> linux-nr79:~ # mount -o remount,usrquota,grpquota /xfs
> 
> linux-nr79:~ # mount
> /dev/sda2 on / type ext3 (rw,acl,user_xattr)
> /proc on /proc type proc (rw)
> sysfs on /sys type sysfs (rw)
> debugfs on /sys/kernel/debug type debugfs (rw)
> udev on /dev type tmpfs (rw)
> devpts on /dev/pts type devpts (rw,mode=0620,gid=5)
> fusectl on /sys/fs/fuse/connections type fusectl (rw)
> securityfs on /sys/kernel/security type securityfs (rw)
> /dev/sdc2 on /ext3 type ext3 (rw,usrquota,grpquota)
> /dev/sdc1 on /xfs type xfs (rw,usrquota,grpquota)
> 
> linux-nr79:~ # xfs_quota -x -c 'limit bsoft=5m bhard=6m user01' /xfs
> xfs_quota: cannot set limits: Function not implemented
> 
> Why cannot set limits? Any idea how I can use xfs quota? 
> Thanks.
> 
> 
> Best Regards,
> Frank
> 
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