Jan Beulich
2010-Apr-21 13:54 UTC
[Xen-devel] [PATCH] linux/blktap: make debugging messages a little more meaningful
Signed-off-by: Jan Beulich <jbeulich@novell.com>
--- sle11sp1-2010-04-12.orig/drivers/xen/blktap/xenbus.c 2010-04-21
13:43:49.000000000 +0200
+++ sle11sp1-2010-04-12/drivers/xen/blktap/xenbus.c 2010-04-21
13:55:58.000000000 +0200
@@ -236,8 +236,11 @@ static void tap_update_blkif_status(blki
err = PTR_ERR(blkif->xenblkd);
blkif->xenblkd = NULL;
xenbus_dev_fatal(blkif->be->dev, err, "start xenblkd");
- WPRINTK("Error starting thread\n");
- }
+ WPRINTK("Error starting thread %s\n", name);
+ } else
+ DPRINTK("Thread started for domid %d, connected disk %d\n",
+ blkif->domid, blkif->dev_num);
+
}
/**
@@ -327,8 +330,6 @@ static void tap_backend_changed(struct x
/* Associate tap dev with domid*/
be->blkif->dev_num = dom_to_devid(be->blkif->domid,
be->xenbus_id,
be->blkif);
- DPRINTK("Thread started for domid [%d], connecting disk\n",
- be->blkif->dev_num);
tap_update_blkif_status(be->blkif);
}
@@ -342,7 +343,7 @@ static void tap_frontend_changed(struct
struct backend_info *be = dev->dev.driver_data;
int err;
- DPRINTK("\n");
+ DPRINTK("fe_changed(%s,%d)\n", dev->nodename, frontend_state);
switch (frontend_state) {
case XenbusStateInitialising:
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