[libvirt] [PATCH] Compressed save image format for Qemu.

Mark McLoughlin markmc at redhat.com
Wed Aug 12 11:21:48 UTC 2009


On Wed, 2009-08-12 at 12:04 +0100, Daniel P. Berrange wrote:
> On Tue, Aug 11, 2009 at 01:25:59PM +0200, Chris Lalancette wrote:

> >  struct qemud_save_header {
> >      char magic[sizeof(QEMUD_SAVE_MAGIC)-1];
> >      int version;
> >      int xml_len;
> >      int was_running;
> > -    int unused[16];
> > +    char compressed;
> > +    int unused[15];
> >  };
> 
> Little mistake here - you removed sizeof(int) bytes, but only
> added sizeof(char) replacement.

struct alignment will cause padding to be added between the fields.

Cheers,
Mark.




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