Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753785AbbGBMic (ORCPT ); Thu, 2 Jul 2015 08:38:32 -0400 Received: from col004-omc1s12.hotmail.com ([65.55.34.22]:53704 "EHLO COL004-OMC1S12.hotmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753777AbbGBMiU (ORCPT ); Thu, 2 Jul 2015 08:38:20 -0400 X-Greylist: delayed 322 seconds by postgrey-1.27 at vger.kernel.org; Thu, 02 Jul 2015 08:38:20 EDT X-TMN: [2YYti1E0cToVkpD2/kVTq8v+XFjuz7Z6] X-Originating-Email: [yuchaochina@hotmail.com] Message-ID: From: Chao Yu To: "'Jaegeuk Kim'" CC: , , References: <1435713946-6910-1-git-send-email-jaegeuk@kernel.org> In-Reply-To: <1435713946-6910-1-git-send-email-jaegeuk@kernel.org> Subject: RE: [f2fs-dev] [PATCH 1/2] f2fs: check the largest extent at look-up time Date: Thu, 2 Jul 2015 20:38:11 +0800 MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 15.0 Thread-index: AQABAgMELCNDJwZdM1UqVdwOylIRiaFnWl3w Content-Language: zh-cn X-OriginalArrivalTime: 02 Jul 2015 12:38:15.0841 (UTC) FILETIME=[F78A6910:01D0B4C3] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1041 Lines: 23 > -----Original Message----- > From: Jaegeuk Kim [mailto:jaegeuk@kernel.org] > Sent: Wednesday, July 01, 2015 9:26 AM > To: linux-kernel@vger.kernel.org; linux-fsdevel@vger.kernel.org; > linux-f2fs-devel@lists.sourceforge.net; linux-kernel@vger.kernel.org; > linux-fsdevel@vger.kernel.org; linux-f2fs-devel@lists.sourceforge.net > Cc: Jaegeuk Kim; Jaegeuk Kim > Subject: [f2fs-dev] [PATCH 1/2] f2fs: check the largest extent at look-up time > > Because of the extent shrinker or other -ENOMEM scenarios, it cannot guarantee > that the largest extent would be cached in the tree all the time. > > Instead of relying on extent_tree, we can simply check the cached one in extent > tree accordingly. > > Signed-off-by: Jaegeuk Kim Reviewed-by: Chao Yu -- 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/