From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx205.postini.com [74.125.245.205]) by kanga.kvack.org (Postfix) with SMTP id 097CD6B13F0 for ; Fri, 3 Feb 2012 08:23:17 -0500 (EST) Received: by dadv6 with SMTP id v6so3396081dad.14 for ; Fri, 03 Feb 2012 05:23:17 -0800 (PST) From: Amit Sahrawat Subject: [PATCH 2/2] mm: make do_writepages() use plugging Date: Fri, 3 Feb 2012 18:57:06 +0530 Message-Id: <1328275626-5322-1-git-send-email-amit.sahrawat83@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: Wu Fengguang , Jan Kara , Andrew Morton , Peter Zijlstra , Johannes Weiner Cc: Amit Sahrawat , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Amit Sahrawat This will cover all the invocations for writepages to be called with plugging support. Signed-off-by: Amit Sahrawat --- mm/page-writeback.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 363ba70..2bea32c 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -1866,14 +1866,18 @@ EXPORT_SYMBOL(generic_writepages); int do_writepages(struct address_space *mapping, struct writeback_control *wbc) { + struct blk_plug plug; int ret; if (wbc->nr_to_write <= 0) return 0; + + blk_start_plug(&plug); if (mapping->a_ops->writepages) ret = mapping->a_ops->writepages(mapping, wbc); else ret = generic_writepages(mapping, wbc); + blk_finish_plug(&plug); return ret; } -- 1.7.2.3 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org