From e08748ce01e02f0ec154b141f392ccb9555333f4 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Sun, 10 Dec 2006 02:19:31 -0800 Subject: [PATCH] io-accounting: write-cancel accounting Account for the number of byte writes which this process caused to not happen after all. Cc: Jay Lan Cc: Shailabh Nagar Cc: Balbir Singh Cc: Chris Sturtivant Cc: Tony Ernst Cc: Guillaume Thouvenin Cc: David Wright Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/truncate.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'mm') diff --git a/mm/truncate.c b/mm/truncate.c index e07b1e682c3..9bfb8e85386 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -13,6 +13,7 @@ #include #include #include +#include #include /* grr. try_to_release_page, do_invalidatepage */ @@ -69,7 +70,8 @@ truncate_complete_page(struct address_space *mapping, struct page *page) if (PagePrivate(page)) do_invalidatepage(page, 0); - clear_page_dirty(page); + if (test_clear_page_dirty(page)) + task_io_account_cancelled_write(PAGE_CACHE_SIZE); ClearPageUptodate(page); ClearPageMappedToDisk(page); remove_from_page_cache(page); -- cgit v1.2.3-70-g09d2