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, wfg@mail.ustc.edu.cn
Subject: [patch 06/13] io-accounting-read-accounting nfs fix
Date: Fri, 08 Dec 2006 03:52:28 -0800 [thread overview]
Message-ID: <200612081152.kB8BqSKo019765@shell0.pdx.osdl.net> (raw)
From: Andrew Morton <akpm@osdl.org>
nfs's ->readpages uses read_cache_pages(). Wire it up there.
[wfg@mail.ustc.edu.cn: account only successful nfs/fuse reads]
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: Fengguang Wu <wfg@mail.ustc.edu.cn>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
mm/readahead.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN mm/readahead.c~io-accounting-read-accounting-nfs-fix mm/readahead.c
--- a/mm/readahead.c~io-accounting-read-accounting-nfs-fix
+++ a/mm/readahead.c
@@ -13,6 +13,7 @@
#include <linux/module.h>
#include <linux/blkdev.h>
#include <linux/backing-dev.h>
+#include <linux/task_io_accounting_ops.h>
#include <linux/pagevec.h>
void default_unplug_io_fn(struct backing_dev_info *bdi, struct page *page)
@@ -151,6 +152,7 @@ int read_cache_pages(struct address_spac
put_pages_list(pages);
break;
}
+ task_io_account_read(PAGE_CACHE_SIZE);
}
pagevec_lru_add(&lru_pvec);
return ret;
_
reply other threads:[~2006-12-08 11:57 UTC|newest]
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