Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762071Ab3ECMoK (ORCPT ); Fri, 3 May 2013 08:44:10 -0400 Received: from mga01.intel.com ([192.55.52.88]:40268 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761757Ab3ECMoG (ORCPT ); Fri, 3 May 2013 08:44:06 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.87,604,1363158000"; d="scan'208";a="331878136" 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 2/2] f2fs: optimize build_free_nids() Date: Fri, 3 May 2013 20:43:23 +0800 Message-Id: <1367585003-24241-2-git-send-email-haicheng.li@linux.intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1367585003-24241-1-git-send-email-haicheng.li@linux.intel.com> References: <1367585003-24241-1-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: 857 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, 1 insertion(+), 1 deletion(-) diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 6276467..31d038f 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1307,7 +1307,7 @@ static void build_free_nids(struct f2fs_sb_info *sbi) nid = 0; is_cycled = true; } - if (fcnt > MAX_FREE_NIDS) + if (fcnt > MAX_FREE_NIDS || nm_i->fcnt > 2 * MAX_FREE_NIDS) break; if (is_cycled && nm_i->init_scan_nid <= nid) 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/