1 files changed, 13 insertions, 5 deletions

diff --git a/include/linux/task_io_accounting.h b/include/linux/task_io_accounting.h
index 44d00e9cceea..5e88afc9a2fb 100644
--- a/include/linux/task_io_accounting.h
+++ b/include/linux/task_io_accounting.h
@@ -8,8 +8,19 @@
  * Blame akpm@osdl.org for all this.
  */
 
-#ifdef CONFIG_TASK_IO_ACCOUNTING
 struct task_io_accounting {
+#ifdef CONFIG_TASK_XACCT
+        /* bytes read */
+        u64 rchar;
+        /*  bytes written */
+        u64 wchar;
+        /* # of read syscalls */
+        u64 syscr;
+        /* # of write syscalls */
+        u64 syscw;
+#endif /* CONFIG_TASK_XACCT */
+
+#ifdef CONFIG_TASK_IO_ACCOUNTING
         /*
          * The number of bytes which this task has caused to be read from
          * storage.
@@ -30,8 +41,5 @@ struct task_io_accounting {
          * information loss in doing that.
          */
         u64 cancelled_write_bytes;
+#endif /* CONFIG_TASK_IO_ACCOUNTING */
 };
-#else
-struct task_io_accounting {
-};
-#endif