[PATCH] io-accounting: direct-io
Account for direct-io.
Cc: Jay Lan <jlan@sgi.com>
Cc: Shailabh Nagar <nagar@watson.ibm.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Chris Sturtivant <csturtiv@sgi.com>
Cc: Tony Ernst <tee@sgi.com>
Cc: Guillaume Thouvenin <guillaume.thouvenin@bull.net>
Cc: David Wright <daw@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/direct-io.c b/fs/direct-io.c
index 5981e17f..45d34d8 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -27,6 +27,7 @@
#include <linux/slab.h>
#include <linux/highmem.h>
#include <linux/pagemap.h>
+#include <linux/task_io_accounting_ops.h>
#include <linux/bio.h>
#include <linux/wait.h>
#include <linux/err.h>
@@ -675,6 +676,13 @@
{
int ret = 0;
+ if (dio->rw & WRITE) {
+ /*
+ * Read accounting is performed in submit_bio()
+ */
+ task_io_account_write(len);
+ }
+
/*
* Can we just grow the current page's presence in the dio?
*/