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From: "Denis V. Lunev" <den@openvz.org>
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Date: Sat, 16 Apr 2016 16:46:09 +0300
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Subject: Re: [Qemu-devel] [PATCH for-2.7 v2 08/17] qemu-io: Add "-L" option
 for BDRV_O_NO_LOCK
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To: Fam Zheng <famz@redhat.com>, qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>, Max Reitz <mreitz@redhat.com>, Jeff Cody <jcody@redhat.com>, Markus Armbruster <armbru@redhat.com>, Eric Blake <eblake@redhat.com>, John Snow <jsnow@redhat.com>, qemu-block@nongnu.org, berrange@redhat.com, pbonzini@redhat.com

On 04/15/2016 06:27 AM, Fam Zheng wrote:
> Signed-off-by: Fam Zheng <famz@redhat.com>
> ---
>   qemu-io.c | 22 ++++++++++++++++++++--
>   1 file changed, 20 insertions(+), 2 deletions(-)
>
> diff --git a/qemu-io.c b/qemu-io.c
> index 288bba8..6bb6232 100644
> --- a/qemu-io.c
> +++ b/qemu-io.c
> @@ -107,6 +107,7 @@ static void open_help(void)
>   " -r, -- open file read-only\n"
>   " -s, -- use snapshot file\n"
>   " -n, -- disable host cache\n"
> +" -L, -- disable image lock\n"
>   " -o, -- options to be given to the block driver"
>   "\n");
>   }
pls add L to .args below

static const cmdinfo_t open_cmd = {
     .name       = "open",
     .altname    = "o",
     .cfunc      = open_f,
     .argmin     = 1,
     .argmax     = -1,
     .flags      = CMD_NOFILE_OK,
     .args       = "[-Crsn] [-o options] [path]",
     .oneline    = "open the file specified by path",
     .help       = open_help,
};