commit b8c6d0958943c96ca9401961a1200568c7ec0268
author Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Tue Mar 29 20:04:40 2011 +0100
committer Kevin Wolf <kwolf@redhat.com> Thu Apr 07 13:51:47 2011 +0200
tree 60eb25ebf1789590df142ed18090ffe82a85e5d2
parent d22b2f41c470067758b3636a01b452dfeda7069f

trace: Trace bdrv_set_locked()

It can be handy to know when the guest locks/unlocks the CD-ROM tray.
This trace event makes that possible.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

block.c

diff --git a/block.c b/block.c
index c93ec6d..d8da3b0 100644
--- a/block.c
+++ b/block.c
@@ -2817,6 +2817,8 @@
 {
     BlockDriver *drv = bs->drv;
 
+    trace_bdrv_set_locked(bs, locked);
+
     bs->locked = locked;
     if (drv && drv->bdrv_set_locked) {
         drv->bdrv_set_locked(bs, locked);