Re: [Qemu-devel] [PATCH] qga-win: Handle fstrim for OSes lower than Win8

["Daniel P. Berrangé" <berrange@redhat.com>]

On Mon, Jul 16, 2018 at 03:10:38PM -0500, Michael Roth wrote:
> Quoting Sameeh Jubran (2018-06-24 07:45:40)
> > From: Sameeh Jubran <sjubran@redhat.com>
> > 
> > The defrag.exe tool which is used for executing the fstrim command
> > on Windows doesn't support retrim for OSes lower than Win8. This
> > commit handles this case and returns a suitable error.
> > 
> > Output of fstrim before this commit:
> > {"execute":"guest-fstrim"}
> > {"return": {"paths": [{"path": "C:\\", "error": "An invalid command line option
> > was specified. (0x89000008)"}, {"path": "F:\\", "error": "An invalid command
> > line option was specified. (0x89000008)"}, {"path": "S:\\", "error": "An
> > invalid command line option was specified. (0x89000008)"}]}}
> > 
> > Reported on:
> > https://bugzilla.redhat.com/show_bug.cgi?id=1594113
> > 
> > Signed-off-by: Sameeh Jubran <sjubran@redhat.com>
> > ---
> >  qga/commands-win32.c | 6 ++++++
> >  1 file changed, 6 insertions(+)
> > 
> > diff --git a/qga/commands-win32.c b/qga/commands-win32.c
> > index d79974f212..0bdcd9dd38 100644
> > --- a/qga/commands-win32.c
> > +++ b/qga/commands-win32.c
> > @@ -30,6 +30,7 @@
> >  #include <lm.h>
> >  #include <wtsapi32.h>
> >  #include <wininet.h>
> > +#include <versionhelpers.h>
> 
> I have this queued locally but the mingw64 build environment I've been
> using (fc20) doesn't support this header and I'm running into some odd

Please tell me that fc20 is a typo, and you're actually using the modern
fc28 :-)  Fedora 20 went end of life 3 years ago, so is not considered
a supported platform for QEMU per our policy here:

  https://qemu.weilnetz.de/doc/qemu-doc.html#Supported-build-platforms

> null pointer / 0xc0000005 / access violation issues with the binary
> generated in newer tool chains. I'll send a pull for this next week when
> I can get it tested.
> 
> What build envionment are you using?

Regards,
Daniel
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