From: Andrew Morton <[email protected]>
Account for direct-io.
Cc: Jay Lan <[email protected]>
Cc: Shailabh Nagar <[email protected]>
Cc: Balbir Singh <[email protected]>
Cc: Chris Sturtivant <[email protected]>
Cc: Tony Ernst <[email protected]>
Cc: Guillaume Thouvenin <[email protected]>
Cc: David Wright <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
fs/direct-io.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff -puN fs/direct-io.c~io-accounting-direct-io fs/direct-io.c
--- a/fs/direct-io.c~io-accounting-direct-io
+++ a/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 @@ submit_page_section(struct dio *dio, str
{
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?
*/
_
-
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