On Sat, 04/16 16:15, Denis V. Lunev wrote: > On 04/15/2016 06:27 AM, Fam Zheng wrote: > >Honor the locking switch specified in CLI or QMP, and set the open flags for > >the image accordingly. > > > >Signed-off-by: Fam Zheng <f...@redhat.com> > >--- > > blockdev.c | 8 ++++++++ > > 1 file changed, 8 insertions(+) > > > >diff --git a/blockdev.c b/blockdev.c > >index f1f520a..93bd43e 100644 > >--- a/blockdev.c > >+++ b/blockdev.c > >@@ -382,6 +382,10 @@ static void extract_common_blockdev_options(QemuOpts > >*opts, int *bdrv_flags, > > return; > > } > > } > >+ > >+ if (!qemu_opt_get_bool(opts, "lock-image", false)) { > >+ *bdrv_flags |= BDRV_O_NO_LOCK; > >+ } > > } > > /* disk I/O throttling */ > >@@ -4249,6 +4253,10 @@ QemuOptsList qemu_common_drive_opts = { > > .type = QEMU_OPT_BOOL, > > .help = "whether to account for failed I/O operations " > > "in the statistics", > >+ },{ > >+ .name = "lock-image", > >+ .type = QEMU_OPT_BOOL, > >+ .help = "whether to lock the image (default: on)", > > }, > > { /* end of list */ } > > }, > should you add proper clause into qmp-commands.hx?
Yes, I'll update this patch.