[Dovecot] fs quota - what I am doing wrong?

[Václav Hůla]

Timo Sirainen napsal(a):
> On Thu, 2007-03-01 at 10:05 +0100, Václav Hůla wrote:
>> quota command:
>> quotactl(Q_GETFMT|USRQUOTA, "/dev/sda8", 0, 0xbffff218) = 0
>>
>> dovecot:
>> quotactl(Q_GETQUOTA|USRQUOTA, "/dev/sda8", 506, {0, 135145272, 
>> 1075193885, 1075193885, 135145168, 135099456, 3221217528, 134953542}) = 
>> -1 EINVAL (Invalid argument)
> ..
>> /usr/include/sys/quota.h
>> extern int quotactl (int __cmd, const char *__special, int __id,
>>                       caddr_t __addr) __THROW;
> 
> Actually Dovecot's quotactl() call looks correct to me. Q_GETFMT is
> something different. Did you give user parameter to quota command while
> straceing it?

Yes but it does not make much difference:

ax at zen:~$ strace /usr/bin/quota 2>&1 |grep quotactl
quotactl(Q_XGETQSTAT|USRQUOTA, NULL, 0, NULL) = -1 EFAULT (Bad address)
quotactl(Q_GETFMT|USRQUOTA, "/dev/sda8", 0, 0xbfffe778) = 0
quotactl(Q_GETINFO|USRQUOTA, "/dev/sda8", 0, 0xbfffe6f0) = 0
quotactl(Q_GETFMT|USRQUOTA, "/dev/sda7", 0, 0xbfffe778) = 0
quotactl(Q_GETINFO|USRQUOTA, "/dev/sda7", 0, 0xbfffe6f0) = 0
quotactl(Q_GETQUOTA|USRQUOTA, "/dev/sda8", 506, 0xbfffe5f0) = 0
quotactl(Q_GETQUOTA|USRQUOTA, "/dev/sda7", 506, 0xbfffe5f0) = 0

ax at zen:~$ strace /usr/bin/quota ax 2>&1 |grep quotactl
quotactl(Q_XGETQSTAT|USRQUOTA, NULL, 0, NULL) = -1 EFAULT (Bad address)
quotactl(Q_GETFMT|USRQUOTA, "/dev/sda8", 0, 0xbfffe078) = 0
quotactl(Q_GETINFO|USRQUOTA, "/dev/sda8", 0, 0xbfffdff0) = 0
quotactl(Q_GETFMT|USRQUOTA, "/dev/sda7", 0, 0xbfffe078) = 0
quotactl(Q_GETINFO|USRQUOTA, "/dev/sda7", 0, 0xbfffdff0) = 0
quotactl(Q_GETQUOTA|USRQUOTA, "/dev/sda8", 506, 0xbfffdef0) = 0
quotactl(Q_GETQUOTA|USRQUOTA, "/dev/sda7", 506, 0xbfffdef0) = 0

root at zen:~# strace /usr/bin/quota 2>&1 |grep quotactl
quotactl(Q_XGETQSTAT|USRQUOTA, NULL, 0, NULL) = -1 EFAULT (Bad address)
quotactl(Q_GETFMT|USRQUOTA, "/dev/sda8", 0, 0xbffff398) = 0
quotactl(Q_GETINFO|USRQUOTA, "/dev/sda8", 0, 0xbffff310) = 0
quotactl(Q_GETFMT|USRQUOTA, "/dev/sda7", 0, 0xbffff398) = 0
quotactl(Q_GETINFO|USRQUOTA, "/dev/sda7", 0, 0xbffff310) = 0
quotactl(Q_GETQUOTA|USRQUOTA, "/dev/sda8", 0, 0xbffff210) = 0
quotactl(Q_GETQUOTA|USRQUOTA, "/dev/sda7", 0, 0xbffff210) = 0

root at zen:~# strace /usr/bin/quota ax 2>&1 |grep quotactl
quotactl(Q_XGETQSTAT|USRQUOTA, NULL, 0, NULL) = -1 EFAULT (Bad address)
quotactl(Q_GETFMT|USRQUOTA, "/dev/sda8", 0, 0xbfffec18) = 0
quotactl(Q_GETINFO|USRQUOTA, "/dev/sda8", 0, 0xbfffeb90) = 0
quotactl(Q_GETFMT|USRQUOTA, "/dev/sda7", 0, 0xbfffec18) = 0
quotactl(Q_GETINFO|USRQUOTA, "/dev/sda7", 0, 0xbfffeb90) = 0
quotactl(Q_GETQUOTA|USRQUOTA, "/dev/sda8", 506, 0xbfffea90) = 0
quotactl(Q_GETQUOTA|USRQUOTA, "/dev/sda7", 506, 0xbfffea90) = 0

for full strace of last command see 
http://www.natur.cuni.cz/~ax/strace.quota.user

Hula
-- 
Václav Hůla,
správce unixových serverů
Přírodovědecká fakulta
Univerzita Karlova v Praze