Re: [Qemu-devel] [PATCH 4/9] iscsi: Emulate commands in iscsi_aio_ioctl as iscsi_ioctl

[Kevin Wolf <kwolf@redhat.com>]

Am 26.10.2015 um 07:24 hat Fam Zheng geschrieben:
> iscsi_ioctl emulates SG_GET_VERSION_NUM and SG_GET_SCSI_ID. Now that
> bdrv_ioctl() will be emulated with .bdrv_aio_ioctl, replicate the logic
> into iscsi_aio_ioctl to make them consistent.
> 
> Signed-off-by: Fam Zheng <famz@redhat.com>
> ---
>  block/iscsi.c | 39 +++++++++++++++++++++++++++++++++++++--
>  1 file changed, 37 insertions(+), 2 deletions(-)
> 
> diff --git a/block/iscsi.c b/block/iscsi.c
> index 93f1ee4..94cbdf2 100644
> --- a/block/iscsi.c
> +++ b/block/iscsi.c
> @@ -96,6 +96,7 @@ typedef struct IscsiAIOCB {
>      int status;
>      int64_t sector_num;
>      int nb_sectors;
> +    int ret;
>  #ifdef __linux__
>      sg_io_hdr_t *ioh;
>  #endif
> @@ -726,6 +727,37 @@ iscsi_aio_ioctl_cb(struct iscsi_context *iscsi, int status,
>      iscsi_schedule_bh(acb);
>  }
>  
> +static void iscsi_ioctl_bh_completion(void *opaque)
> +{
> +    IscsiAIOCB *acb = opaque;
> +
> +    qemu_bh_delete(acb->bh);
> +    acb->common.cb(acb->common.opaque, acb->ret);
> +}

qemu_aio_unref(acb)?

Kevin