Commit e6444734 authored by Paolo Bonzini's avatar Paolo Bonzini
Browse files

nbd: force read-only export for read-only devices 



This is the desired behavior for HMP, but it is a better choice for QMP as well.

Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent fc6467ea

blockdev-nbd.c

+7 −0
Original line number Diff line number Diff line
@@ -93,6 +93,13 @@ void qmp_nbd_server_add(const char *device, bool has_writable, bool writable, 
        return;

    }



    if (!has_writable) {

        writable = true;

    }

    if (bdrv_is_read_only(bs)) {

        writable = false;

    }



    exp = nbd_export_new(bs, 0, -1, writable ? 0 : NBD_FLAG_READ_ONLY,

                         nbd_server_put_ref);