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-rwxr-xr-xtestsuite/systemtap.examples/io/traceio2.stp4
1 files changed, 3 insertions, 1 deletions
diff --git a/testsuite/systemtap.examples/io/traceio2.stp b/testsuite/systemtap.examples/io/traceio2.stp
index 656c38b3..988ea36c 100755
--- a/testsuite/systemtap.examples/io/traceio2.stp
+++ b/testsuite/systemtap.examples/io/traceio2.stp
@@ -12,7 +12,9 @@ probe begin {
probe kernel.function ("vfs_write"),
kernel.function ("vfs_read")
{
- dev_nr = $file->f_path->dentry->d_inode->i_sb->s_dev
+ dev_nr = $file->
+ %( kernel_v < "2.6.19" %? f_dentry %: f_path->dentry %)
+ ->d_inode->i_sb->s_dev
if (dev_nr == device_of_interest)
printf ("%s(%d) %s 0x%x\n",