Update pp->udev and those path attributes that can be cheaply
updated from sysfs, i.e. without IO to the disk.

Signed-off-by: Martin Wilck <mwi...@suse.com>
---
 multipathd/main.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/multipathd/main.c b/multipathd/main.c
index e9668205ce92..6e6c52a52783 100644
--- a/multipathd/main.c
+++ b/multipathd/main.c
@@ -964,6 +964,14 @@ uev_update_path (struct uevent *uev, struct vectors * vecs)
                                strcpy(pp->wwid, wwid);
                        else
                                pp->wwid_changed = 0;
+               } else {
+                       udev_device_unref(pp->udev);
+                       pp->udev = udev_device_ref(uev->udev);
+                       conf = get_multipath_config();
+                       if (pathinfo(pp, conf, DI_SYSFS|DI_NOIO) != PATHINFO_OK)
+                               condlog(1, "%s: pathinfo failed after change 
uevent",
+                                       uev->kernel);
+                       put_multipath_config(conf);
                }
 
                if (pp->initialized == INIT_REQUESTED_UDEV)
-- 
2.16.1

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