Commit 8bde37f0 authored Dec 10, 2006 by Andrew Morton Committed by Linus Torvalds Dec 10, 2006

[PATCH] io-accounting-read-accounting nfs fix



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>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent faccbd4b

mm/readahead.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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_space mapping, struct list_head pages,
		put_pages_list(pages);
		break;
		}
		task_io_account_read(PAGE_CACHE_SIZE);
		}
		pagevec_lru_add(&lru_pvec);
		return ret;