From: Fengguang Wu <fengguang.wu@gmail.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] io accounting minor fix
Date: Mon, 4 Dec 2006 16:54:36 +0800 [thread overview]
Message-ID: <365222471.26712@ustc.edu.cn> (raw)
Message-ID: <20061204085436.GA6602@mail.ustc.edu.cn> (raw)
Account only successful nfs/fuse reads.
Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn>
---
--- linux-2.6.19-rc6-mm2.orig/mm/readahead.c
+++ linux-2.6.19-rc6-mm2/mm/readahead.c
@@ -242,7 +242,6 @@ int read_cache_pages(struct address_spac
page_cache_release(page);
continue;
}
- task_io_account_read(PAGE_CACHE_SIZE);
ret = filler(data, page);
if (!pagevec_add(&lru_pvec, page)) {
cond_resched();
@@ -252,6 +251,7 @@ 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:[~2006-12-04 8:54 UTC|newest]
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