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Diffstat (limited to 'include/linux/task_io_accounting.h')
-rw-r--r--include/linux/task_io_accounting.h27
1 files changed, 24 insertions, 3 deletions
diff --git a/include/linux/task_io_accounting.h b/include/linux/task_io_accounting.h
index 44d00e9ccee..165390f8b93 100644
--- a/include/linux/task_io_accounting.h
+++ b/include/linux/task_io_accounting.h
@@ -1,5 +1,5 @@
/*
- * task_io_accounting: a structure which is used for recording a single task's
+ * proc_io_accounting: a structure which is used for recording a single task's
* IO statistics.
*
* Don't include this header file directly - it is designed to be dragged in via
@@ -8,6 +8,22 @@
* Blame akpm@osdl.org for all this.
*/
+#ifdef CONFIG_TASK_XACCT
+struct task_chr_io_accounting {
+ /* bytes read */
+ u64 rchar;
+ /* bytes written */
+ u64 wchar;
+ /* # of read syscalls */
+ u64 syscr;
+ /* # of write syscalls */
+ u64 syscw;
+};
+#else /* CONFIG_TASK_XACCT */
+struct task_chr_io_accounting {
+};
+#endif /* CONFIG_TASK_XACCT */
+
#ifdef CONFIG_TASK_IO_ACCOUNTING
struct task_io_accounting {
/*
@@ -31,7 +47,12 @@ struct task_io_accounting {
*/
u64 cancelled_write_bytes;
};
-#else
+#else /* CONFIG_TASK_IO_ACCOUNTING */
struct task_io_accounting {
};
-#endif
+#endif /* CONFIG_TASK_IO_ACCOUNTING */
+
+struct proc_io_accounting {
+ struct task_chr_io_accounting chr;
+ struct task_io_accounting blk;
+};