[libvirt] [PATCH v2] storage: Allow runtime detection of scrub

[Michal Privoznik]

On 15.02.2012 23:45, Eric Blake wrote:
> On 02/15/2012 06:37 AM, Michal Privoznik wrote:
>> Currently, if scrub (used for wiping algorithms) is not present
>> at compile time, we don't support any other wiping algorithms than
>> zeroing, even if it was installed later. Switch to runtime detection
>> instead.
>> ---
>> diff to v1:
>> -Add BuildRequires to spec file
>>
>>  configure.ac                 |   30 ++++--------------------------
>>  libvirt.spec.in              |    3 +++
>>  src/storage/storage_driver.c |    4 ----
>>  3 files changed, 7 insertions(+), 30 deletions(-)
> 
>> +++ b/libvirt.spec.in
>> @@ -513,6 +513,9 @@ BuildRequires: nfs-utils
>>  # Fedora build root suckage
>>  BuildRequires: gawk
>>  
>> +# For storage wiping with different algorithms
>> +BuildRequires: scrub
>> +
> 
> I'm wondering if this should be protected by a conditional, such as the
> %if %{with_storage_fs} conditional a few lines earlier.  Then again,
> that example a few lines earlier was for $UMOUNT, used only in
> src/storage/storage_backend_fs.c, which is conditional, while your use
> of $SCRUB is in src/storage/storage_driver.c which is unconditionally
> built.  So I think you're okay.
> 
> ACK.
> 

Thanks, pushed.