Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754344Ab3EFPRZ (ORCPT ); Mon, 6 May 2013 11:17:25 -0400 Received: from mga03.intel.com ([143.182.124.21]:27830 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754028Ab3EFPQi (ORCPT ); Mon, 6 May 2013 11:16:38 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.87,622,1363158000"; d="scan'208";a="298322440" From: Haicheng Li To: linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, Jaegeuk Kim Cc: linux-kernel@vger.kernel.org, Haicheng Li , Haicheng Li Subject: [PATCH 4/4] f2fs: optimize build_free_nids() Date: Mon, 6 May 2013 23:15:44 +0800 Message-Id: <1367853344-28938-5-git-send-email-haicheng.li@linux.intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1367853344-28938-1-git-send-email-haicheng.li@linux.intel.com> References: <1367853344-28938-1-git-send-email-haicheng.li@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 780 Lines: 28 When nm_i->fcnt > 2 * MAX_FREE_NIDS, stop scanning other NAT pages. Signed-off-by: Haicheng Li --- fs/f2fs/node.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 1fe3fe2..3136224 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1342,6 +1342,8 @@ static void build_free_nids(struct f2fs_sb_info *sbi) if (nid >= nm_i->max_nid) nid = 0; + if (nm_i->fcnt > 2 * MAX_FREE_NIDS) + break; if (i++ == FREE_NID_PAGES) break; } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/