On 04/15/2016 06:28 AM, Fam Zheng wrote:
Signed-off-by: Fam Zheng <f...@redhat.com>
---
qemu-nbd.c | 6 +++++-
qemu-nbd.texi | 2 ++
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/qemu-nbd.c b/qemu-nbd.c
index b5751f8..37da7a9 100644
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -464,7 +464,7 @@ int main(int argc, char **argv)
off_t fd_size;
QemuOpts *sn_opts = NULL;
const char *sn_id_or_name = NULL;
- const char *sopt = "hVb:o:p:rsnP:c:dvk:e:f:tl:x:";
+ const char *sopt = "hVb:o:p:rsnLP:c:dvk:e:f:tl:x:";
struct option lopt[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'V' },
@@ -473,6 +473,7 @@ int main(int argc, char **argv)
{ "socket", required_argument, NULL, 'k' },
{ "offset", required_argument, NULL, 'o' },
{ "read-only", no_argument, NULL, 'r' },
+ { "no-lock", no_argument, NULL, 'L' },
{ "partition", required_argument, NULL, 'P' },
{ "connect", required_argument, NULL, 'c' },
{ "disconnect", no_argument, NULL, 'd' },
@@ -628,6 +629,9 @@ int main(int argc, char **argv)
nbdflags |= NBD_FLAG_READ_ONLY;
flags &= ~BDRV_O_RDWR;
break;
+ case 'L':
+ flags |= BDRV_O_NO_LOCK;
+ break;
case 'P':
partition = strtol(optarg, &end, 0);
if (*end) {
diff --git a/qemu-nbd.texi b/qemu-nbd.texi
index 9f23343..6b7b1d1 100644
--- a/qemu-nbd.texi
+++ b/qemu-nbd.texi
@@ -43,6 +43,8 @@ Force the use of the block driver for format @var{fmt}
instead of
auto-detecting
@item -r, --read-only
Export the disk as read-only
+@item -L, --no-lock
+Disable image locking
@item -P, --partition=@var{num}
Only expose partition @var{num}
@item -s, --snapshot
pls fix
static void usage(const char *name)
{
(printf) (
"Usage: %s [OPTIONS] FILE\n"
