* 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.
>
> 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);
> }
> --
> 1.7.0
>
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--
Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx
ryanh@xxxxxxxxxx
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