[PATCH] Ignore xenbus system state transitions on shutdown

[Ben Guthro <bguthro@virtualiron.com>]

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This implements a suggestion by Keir to remove the xenbus "ignore
state transitions on shutdown" code for kernels without a shutdown
callback.

Signed-off-by: David Lively <dlively@virtualiron.com>
Signed-off-by: Ben Guthro <bguthro@virtualrion.com>


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diff -r 138bfca44447 drivers/xen/xenbus/xenbus_probe.c
--- a/drivers/xen/xenbus/xenbus_probe.c	Wed Jun 27 11:54:55 2007 -0400
+++ b/drivers/xen/xenbus/xenbus_probe.c	Wed Jun 27 11:54:58 2007 -0400
@@ -208,6 +208,7 @@ static void otherend_changed(struct xenb
 	DPRINTK("state is %d (%s), %s, %s", state, xenbus_strstate(state),
 		dev->otherend_watch.node, vec[XS_WATCH_PATH]);
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
 	/*
 	 * Ignore xenbus transitions during shutdown. This prevents us doing
 	 * work that can fail e.g., when the rootfs is gone.
@@ -221,6 +222,7 @@ static void otherend_changed(struct xenb
 			xenbus_frontend_closed(dev);
 		return;
 	}
+#endif
 
 	if (drv->otherend_changed)
 		drv->otherend_changed(dev, state);

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