[libvirt] [PATCH] sanlock: Chown lease files as well

Michal Privoznik mprivozn at redhat.com
Sun Dec 30 09:14:23 UTC 2012


On 30.12.2012 09:46, Osier Yang wrote:
> On 2012年12月28日 23:59, Michal Privoznik wrote:
>> Since sanlock doesn't run under root:root, we have chown()'ed the
>> __LIBVIRT__DISKS__ lease file to the user:group defined in the
>> sanlock config. However, when writing the patch I've forgot about
>> lease files for each disk (this is the
>> /var/lib/libvirt/sanlock/<md5>) file.
>> ---
>>   src/locking/lock_driver_sanlock.c | 11 +++++++++++
>>   1 file changed, 11 insertions(+)
>>
>> diff --git a/src/locking/lock_driver_sanlock.c
>> b/src/locking/lock_driver_sanlock.c
>> index 75ced84..c955003 100644
>> --- a/src/locking/lock_driver_sanlock.c
>> +++ b/src/locking/lock_driver_sanlock.c
>> @@ -679,6 +679,17 @@ static int
>> virLockManagerSanlockCreateLease(struct sanlk_resource *res)
>>               }
>>               VIR_DEBUG("Someone else just created lockspace %s",
>> res->disks[0].path);
>>           } else {
>> +            /* chown() the path to make sure sanlock can access it */
>> +            if ((driver->user != -1 || driver->group != -1)&&
>> +                (fchown(fd, driver->user, driver->group)<  0)) {
>> +                virReportSystemError(errno,
>> +                                     _("cannot chown '%s' to (%u, %u)"),
>> +                                     res->disks[0].path,
>> +                                     (unsigned int) driver->user,
>> +                                     (unsigned int) driver->group);
>> +                goto error_unlink;
>> +            }
>> +
>>               if ((rv = sanlock_align(&res->disks[0]))<  0) {
>>                   if (rv<= -200)
>>                       virReportError(VIR_ERR_INTERNAL_ERROR,
> 
> ACK

Thanks, pushed.

Michal




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