On Wednesday 21 April 2010 13:35:36 Ryan Harper wrote:
> * Stefan Hajnoczi <stefanha@xxxxxxxxxxxxxxxxxx> [2010-04-21 13:27]:
> > A new iovec array is allocated when creating a merged write request.
> > This patch ensures that the iovec array is deleted in addition to its
> > qiov owner.
>
> Nice catch. Send this to qemu-devel and Avi and merge into qemu-kvm
> once it's commited there.
And tag for the stable release that should be coming soon?
>
> > Signed-off-by: Stefan Hajnoczi <stefanha@xxxxxxxxxxxxxxxxxx>
> > ---
> > block.c | 3 +++
> > 1 files changed, 3 insertions(+), 0 deletions(-)
> >
> > diff --git a/block.c b/block.c
> > index e891544..2d31474 100644
> > --- a/block.c
> > +++ b/block.c
> > @@ -1731,6 +1731,9 @@ static void multiwrite_user_cb(MultiwriteCB *mcb)
> >
> > for (i = 0; i < mcb->num_callbacks; i++) {
> > mcb->callbacks[i].cb(mcb->callbacks[i].opaque, mcb->error);
> > + if (mcb->callbacks[i].free_qiov) {
> > + qemu_iovec_destroy(mcb->callbacks[i].free_qiov);
> > + }
> > qemu_free(mcb->callbacks[i].free_qiov);
> > qemu_vfree(mcb->callbacks[i].free_buf);
> > }
>
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