Re: [PATCH] qemu: Avoid assigning unavailable migration ports

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On Thu, Oct 17, 2013 at 13:44:33 +0200, Jano Tomko wrote:
> On 10/15/2013 02:42 PM, Jiri Denemark wrote:
> > From: WangYufei <james.wangyufei@xxxxxxxxxx>
> > 
> > https://bugzilla.redhat.com/show_bug.cgi?id=1019053
> > 
> > When we migrate vms concurrently, there's a chance that libvirtd on
> > destination assigns the same port for different migrations, which will
> > lead to migration failure during prepare phase on destination. So we use
> > virPortAllocator here to solve the problem.
> > 
> > Signed-off-by: WangYufei <james.wangyufei@xxxxxxxxxx>
> > Signed-off-by: Jiri Denemark <jdenemar@xxxxxxxxxx>
> > ---
> >  src/qemu/qemu_command.h   |  3 +++
> >  src/qemu/qemu_conf.h      |  6 +++---
> >  src/qemu/qemu_domain.h    |  1 +
> >  src/qemu/qemu_driver.c    |  6 ++++++
> >  src/qemu/qemu_migration.c | 39 +++++++++++++++++++++++++--------------
> >  5 files changed, 38 insertions(+), 17 deletions(-)
> > 
> 
> > --- a/src/qemu/qemu_domain.h
> > +++ b/src/qemu/qemu_domain.h
> > @@ -160,6 +160,7 @@ struct _qemuDomainObjPrivate {
> >      unsigned long migMaxBandwidth;
> >      char *origname;
> >      int nbdPort; /* Port used for migration with NBD */
> > +    int migrationPort;
> >  
> >      virChrdevsPtr devs;
> >  
> 
> unsigned short might be nicer here.
> 
> ACK

Thanks, I made the changes you suggested here and in the other email and
pushed this.

Jirka

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