From: akpm@osdl.org
To: linux-kernel@vger.kernel.org
Cc: akpm@osdl.org, balbir@in.ibm.com, csturtiv@sgi.com, daw@sgi.com,
guillaume.thouvenin@bull.net, jlan@sgi.com, nagar@watson.ibm.com,
tee@sgi.com
Subject: [patch 08/13] io-accounting: direct-io
Date: Fri, 08 Dec 2006 03:52:30 -0800 [thread overview]
Message-ID: <200612081152.kB8BqUNp019771@shell0.pdx.osdl.net> (raw)
From: Andrew Morton <akpm@osdl.org>
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>
---
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?
*/
_
reply other threads:[~2006-12-08 11:55 UTC|newest]
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