Re: [Qemu-trivial] [Qemu-devel] [PATCH for-2.10] qemu-options: Document the -drive locking parameter.

["Daniel P. Berrange" <berrange@redhat.com>]

The 2.10 versio nis already released. Did you mean that you wanted
this in the stable branch ?  If so, then CC qemu-stable@nongnu.org

On Wed, Sep 06, 2017 at 09:50:06AM +0100, Richard W.M. Jones wrote:
> Commit 16b48d5d66d2 ("file-posix: Add 'locking' option") added this
> option, but as it was not documented in the -help output it was not
> easily possible to tell if a particular qemu binary supports it.

NB, nothing should be parsing -help output to look for features
anymore. Is there really no other way to detect this feature ?

> Signed-off-by: Richard W.M. Jones <rjones@redhat.com>
> ---
>  qemu-options.hx | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/qemu-options.hx b/qemu-options.hx
> index 9f6e2adfff..f8f95eb498 100644
> --- a/qemu-options.hx
> +++ b/qemu-options.hx
> @@ -796,7 +796,7 @@ DEF("drive", HAS_ARG, QEMU_OPTION_drive,
>      "       [,cache=writethrough|writeback|none|directsync|unsafe][,format=f]\n"
>      "       [,serial=s][,addr=A][,rerror=ignore|stop|report]\n"
>      "       [,werror=ignore|stop|report|enospc][,id=name][,aio=threads|native]\n"
> -    "       [,readonly=on|off][,copy-on-read=on|off]\n"
> +    "       [,readonly=on|off][,copy-on-read=on|off][,locking=off|auto|on]\n"
>      "       [,discard=ignore|unmap][,detect-zeroes=on|off|unmap]\n"
>      "       [[,bps=b]|[[,bps_rd=r][,bps_wr=w]]]\n"
>      "       [[,iops=i]|[[,iops_rd=r][,iops_wr=w]]]\n"

Reviewed-by: Daniel P. Berrange <berrange@redhat.com>

Regards,
Daniel
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