[libvirt] [PATCH] qemu: Don't chown files on NFS share if dynamic_ownership is off

[Michal Privoznik]

On 07.07.2011 17:52, Eric Blake wrote:
> On 07/07/2011 09:33 AM, Michal Privoznik wrote:
>> When dynamic ownership is disabled we don't want to chown any files,
>> not just local.
> 
> Is there more details on a scenario where this was causing an issue?
> Either a BZ number or a set of steps to reproduce the problem.
> 
>> ---
>>  src/qemu/qemu_driver.c |    5 ++---
>>  1 files changed, 2 insertions(+), 3 deletions(-)
>>
>> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
>> index 52b7dfd..968865f 100644
>> --- a/src/qemu/qemu_driver.c
>> +++ b/src/qemu/qemu_driver.c
>> @@ -2163,11 +2163,10 @@ static int qemudDomainSaveFlag(struct qemud_driver *driver, virDomainPtr dom,
>>          is_reg = true;
>>      } else {
>>          is_reg = !!S_ISREG(sb.st_mode);
>> -        /* If the path is regular local file which exists
>> +        /* If the path is regular file which exists
>>           * already and dynamic_ownership is off, we don't
>>           * want to change it's ownership, just open it as-is */
>> -        if (is_reg && !driver->dynamicOwnership &&
>> -            virStorageFileIsSharedFS(path) == 0) {
>> +        if (is_reg && !driver->dynamicOwnership) {
> 
> The code change looks fine, but without a pointer to a reproducer case
> proving that it is a bug fix, I'm not sure if this would have unintended
> consequences.
> 
Sure, https://bugzilla.redhat.com/show_bug.cgi?id=716478

Michal