From patchwork Mon Nov 12 14:22:05 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [5/7] nbd: force read-only export for read-only devices Date: Mon, 12 Nov 2012 04:22:05 -0000 From: Paolo Bonzini X-Patchwork-Id: 198403 Message-Id: <1352730127-32685-6-git-send-email-pbonzini@redhat.com> To: qemu-devel@nongnu.org Cc: aliguori@us.ibm.com This is the desired behavior for HMP, but it is a better choice for QMP as well. Signed-off-by: Paolo Bonzini --- blockdev-nbd.c | 7 +++++++ 1 file modificato, 7 inserzioni(+) diff --git a/blockdev-nbd.c b/blockdev-nbd.c index 274fba6..e362572 100644 --- a/blockdev-nbd.c +++ b/blockdev-nbd.c @@ -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);