Re: [Xen-devel] [PATCH 2/2] 4.1.2 blktap2 cleanup fixes.

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Ian Campbell writes ("Re: [Xen-devel] [PATCH 2/2] 4.1.2 blktap2 cleanup 
fixes."):
> On Wed, 2012-11-07 at 02:07 +0000, Dr. Greg Wettstein wrote:
> > ---------------------------------------------------------------------------
> > The following patch when applied on top of:
> > 
> > libxl: attempt to cleanup tapdisk processes on disk backend destroy.
> > 
> > Establishes correct cleanup behavior for blktap devices.  This patch
> > implements the release of the backend device before calling for
> > the destruction of the userspace component of the blktap device.
> > 
> > Without this patch the kernel xen-blkback driver deadlocks with
> > the blktap2 user control plane until the IPC channel is terminated by the
> > timeout on the select() call.  This results in a noticeable delay
> > in the termination of the guest and causes the blktap minor
> > number which had been allocated to be orphaned.
> > 
> > Signed-off-by: Greg Wettstein <greg@xxxxxxxxxxxx>
> 
> Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

I have fixed up the whitespace error and committed this to 4.1.

Ian.

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel