[Xen-devel] [Xen-dev][PATCH] fix qcow2 can not work with blktap2

["Zhang, Yang" <yang.zhang@xxxxxxxxx>]

Since the hotplug script for udev has been removed by c/s 19349, we need report
the hotplug-status while the corresponding tapdisk been create. Or else, It will
raise an error "hotplug script not working".

Signed-off-by: Yang Zhang <yang.zhang@xxxxxxxxx>

diff -r 112680f620bf tools/blktap2/daemon/tapdisk-daemon.c
--- a/tools/blktap2/daemon/tapdisk-daemon.c     Mon Jun 08 18:23:57 2009 +0100
+++ b/tools/blktap2/daemon/tapdisk-daemon.c     Thu Jun 18 11:32:15 2009 +0800
@@ -295,7 +295,10 @@ tapdisk_daemon_probe(struct xs_handle *x
        len = strsep_len(path, '/', 7);
        if (len < 0)
                return;
-
+       if (path[len] == '\0') {
+               xs_printf(xsh, path, "hotplug-status", "connected");
+               return;
+       } 
        node = path + len + 1;
 
        if (!tapdisk_daemon_new_vbd_event(node))

fix_qcow2_can_not_work_under_blktap2.patch
Description: fix_qcow2_can_not_work_under_blktap2.patch

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