From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaegeuk Kim Subject: [PATCH 3/3] f2fs: write SSA pages under memory pressure Date: Wed, 19 Nov 2014 14:35:10 -0800 Message-ID: <1416436510-6251-3-git-send-email-jaegeuk@kernel.org> References: <1416436510-6251-1-git-send-email-jaegeuk@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1XrDqR-0005DS-T9 for linux-f2fs-devel@lists.sourceforge.net; Wed, 19 Nov 2014 22:35:27 +0000 Received: from mail.kernel.org ([198.145.19.201]) by sog-mx-1.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1XrDqR-0004SO-1u for linux-f2fs-devel@lists.sourceforge.net; Wed, 19 Nov 2014 22:35:27 +0000 In-Reply-To: <1416436510-6251-1-git-send-email-jaegeuk@kernel.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim Under memory pressure, we don't need to skip SSA page writes. Signed-off-by: Jaegeuk Kim --- fs/f2fs/checkpoint.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 838e8ed..20a917b 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -178,7 +178,7 @@ static int f2fs_write_meta_page(struct page *page, if (unlikely(sbi->por_doing)) goto redirty_out; - if (wbc->for_reclaim) + if (wbc->for_reclaim && page->index < GET_SUM_BLOCK(sbi, 0)) goto redirty_out; if (unlikely(f2fs_cp_error(sbi))) goto redirty_out; @@ -187,6 +187,9 @@ static int f2fs_write_meta_page(struct page *page, write_meta_page(sbi, page); dec_page_count(sbi, F2FS_DIRTY_META); unlock_page(page); + + if (wbc->for_reclaim) + f2fs_submit_merged_bio(sbi, META, WRITE); return 0; redirty_out: -- 2.1.1 ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk