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authorAndrew Morton <akpm@osdl.org>2006-12-10 02:19:40 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-10 09:55:41 -0800
commit8bde37f08fe3340435f4320b5a092eeb55acebfd (patch)
tree8afd0179f4fe46d806cb40cfadb1843a480c154d /mm
parentfaccbd4b26df7bd977cee33d4145155d0ef95c87 (diff)
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[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>
Diffstat (limited to 'mm')
-rw-r--r--mm/readahead.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/readahead.c b/mm/readahead.c
index c0df5ed05f62..0f539e8e827a 100644
--- a/mm/readahead.c
+++ b/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_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;