Make systemtap.examples/io/deviceseeks.stp work on older kernels.

* testsuite/systemtap.examples/io/deviceseeks.stp: Handle older kernel's
  names for the sector size field.

diff --git a/testsuite/systemtap.examples/io/deviceseeks.stp b/testsuite/systemtap.examples/io/deviceseeks.stp
index 1503fafdfe0bc8df43e727558ade018cc7641240..8801ecfffbc5da58eb800c34a9c866f216e76267 100755 (executable)
--- a/testsuite/systemtap.examples/io/deviceseeks.stp
+++ b/testsuite/systemtap.examples/io/deviceseeks.stp
@@ -14,7 +14,10 @@ global seeks, oldsec
 
 probe ioblock_trace.request {
   if (size == 0) next
-  sectorsize = $q->limits->logical_block_size
+  sectorsize = (@defined($q->limits->logical_block_size)
+               ? $q->limits->logical_block_size
+               : (@defined($q->logical_block_size) ? $q->logical_block_size
+                  : $q->hardsect_size))
   # printf("%s %s\n", devname, rw ? "w" : "r")
   sec = sector
   seeks[devname] <<< sec - oldsec[devname]