[Xen-devel] [PATCH] Ignore xenbus system state transitions on shutdown

[Ben Guthro <bguthro@xxxxxxxxxxxxxxx>]

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@xxxxxxxxxxxxxxx>
Signed-off-by: Ben Guthro <bguthro@xxxxxxxxxxxxxxx>

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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