Re: [Qemu-devel] [patch 5/6] Emulate qemu-kvms drive parameter boot=on|off

[Anthony Liguori <aliguori@us.ibm.com>]

Marcelo Tosatti <mtosatti@redhat.com> writes:

> Commit 841280b6c224ea2c6edc2f5afc2add513c85181d from qemu-kvm.git.
>
> From: Jan Kiszka <jan.kiszka@siemens.com>
>
> We do not want to maintain this option forever. It will be removed after
> a grace period of a few releases. So warn the user that this option has
> no effect and will become invalid soon.
>
> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>

Regards,

Anthony Liguori

>
> Index: qemu-compat-kvm/blockdev.c
> ===================================================================
> --- qemu-compat-kvm.orig/blockdev.c
> +++ qemu-compat-kvm/blockdev.c
> @@ -432,6 +432,12 @@ DriveInfo *drive_init(QemuOpts *opts, in
>          return NULL;
>      }
>  
> +    if (qemu_opt_get(opts, "boot") != NULL) {
> +        fprintf(stderr, "qemu-kvm: boot=on|off is deprecated and will be "
> +                "ignored. Future versions will reject this parameter. Please "
> +                "update your scripts.\n");
> +    }
> +
>      on_write_error = BLOCK_ERR_STOP_ENOSPC;
>      if ((buf = qemu_opt_get(opts, "werror")) != NULL) {
>          if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO && type != IF_NONE) {
> Index: qemu-compat-kvm/qemu-config.c
> ===================================================================
> --- qemu-compat-kvm.orig/qemu-config.c
> +++ qemu-compat-kvm/qemu-config.c
> @@ -114,6 +114,10 @@ static QemuOptsList qemu_drive_opts = {
>              .name = "copy-on-read",
>              .type = QEMU_OPT_BOOL,
>              .help = "copy read data from backing file into image file",
> +        },{
> +            .name = "boot",
> +            .type = QEMU_OPT_BOOL,
> +            .help = "(deprecated, ignored)",
>          },
>          { /* end of list */ }
>      },
>
>
> --
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