Hi,
This patch adds xenbus_strstate() helper function for more readable
debug output.
please apply,
Gerd
--
Gerd Hoffmann <kraxel@xxxxxxx>
http://www.suse.de/~kraxel/julika-dora.jpeg
Add xenbus_strstate() helper function for more readable debug output.
Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxx>
---
linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_client.c | 15 +++++++++++++++
linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_probe.c | 4 ++--
linux-2.6-xen-sparse/include/xen/xenbus.h | 2 ++
3 files changed, 19 insertions(+), 2 deletions(-)
Index:
build-32-unstable-11286/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_client.c
===================================================================
---
build-32-unstable-11286.orig/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_client.c
+++
build-32-unstable-11286/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_client.c
@@ -41,6 +41,21 @@ extern char *kasprintf(const char *fmt,
#define DPRINTK(fmt, args...) \
pr_debug("xenbus_client (%s:%d) " fmt ".\n", __FUNCTION__, __LINE__,
##args)
+char *xenbus_strstate(enum xenbus_state state)
+{
+ static char *name[] = {
+ [ XenbusStateUnknown ] = "Unknown",
+ [ XenbusStateInitialising ] = "Initialising",
+ [ XenbusStateInitWait ] = "InitWait",
+ [ XenbusStateInitialised ] = "Initialised",
+ [ XenbusStateConnected ] = "Connected",
+ [ XenbusStateClosing ] = "Closing",
+ [ XenbusStateClosed ] = "Closed",
+ };
+ return state < sizeof(name)/sizeof(name[0])
+ ? name[state] : "INVALID";
+}
+
int xenbus_watch_path(struct xenbus_device *dev, const char *path,
struct xenbus_watch *watch,
void (*callback)(struct xenbus_watch *,
Index:
build-32-unstable-11286/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_probe.c
===================================================================
---
build-32-unstable-11286.orig/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_probe.c
+++
build-32-unstable-11286/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_probe.c
@@ -316,8 +316,8 @@ static void otherend_changed(struct xenb
state = xenbus_read_driver_state(dev->otherend);
- DPRINTK("state is %d, %s, %s",
- state, dev->otherend_watch.node, vec[XS_WATCH_PATH]);
+ DPRINTK("state is %s, %s, %s", xenbus_strstate(state),
+ dev->otherend_watch.node, vec[XS_WATCH_PATH]);
if (drv->otherend_changed)
drv->otherend_changed(dev, state);
}
Index: build-32-unstable-11286/linux-2.6-xen-sparse/include/xen/xenbus.h
===================================================================
--- build-32-unstable-11286.orig/linux-2.6-xen-sparse/include/xen/xenbus.h
+++ build-32-unstable-11286/linux-2.6-xen-sparse/include/xen/xenbus.h
@@ -297,4 +297,6 @@ void xenbus_dev_fatal(struct xenbus_devi
int __init xenbus_dev_init(void);
+char *xenbus_strstate(enum xenbus_state state);
+
#endif /* _XEN_XENBUS_H */
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