From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 533D7C7618B for ; Sat, 27 Jul 2019 15:45:27 +0000 (UTC) Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2C29F20840; Sat, 27 Jul 2019 15:45:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sourceforge.net header.i=@sourceforge.net header.b="kMHli43/"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sf.net header.i=@sf.net header.b="Ah7L9ZHk"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="t4du5pV0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2C29F20840 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linux-f2fs-devel-bounces@lists.sourceforge.net Received: from [127.0.0.1] (helo=sfs-ml-4.v29.lw.sourceforge.com) by sfs-ml-4.v29.lw.sourceforge.com with esmtp (Exim 4.90_1) (envelope-from ) id 1hrOsw-0002b2-CD; Sat, 27 Jul 2019 15:45:26 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-4.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1hrOsv-0002at-5l for linux-f2fs-devel@lists.sourceforge.net; Sat, 27 Jul 2019 15:45:25 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Transfer-Encoding:MIME-Version:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=ve2ILVeoyvvEEq30S6mKWzkK/ADnvZzwt0knd+o+9P4=; b=kMHli43/x04WKbHCUK4fUCIREs QU0jNkpBsOn9Yqe0cMuq41KAY1VcmIIoa/fgAalbcmYZawy9Lfj5AetaeuGcAVT8+c90mgoGrdIfl xddEUvdEZCMblA/3SORPi89zOFMLL2r6GHm3kepWmdhmEObwvAHcbnLJGUdyViNt0nk4=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Transfer-Encoding:MIME-Version:Message-Id:Date:Subject:Cc:To:From :Sender:Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Id:List-Help:List-Unsubscribe:List-Subscribe:List-Post: List-Owner:List-Archive; bh=ve2ILVeoyvvEEq30S6mKWzkK/ADnvZzwt0knd+o+9P4=; b=A h7L9ZHkWS2oMa7csT+bFOqv7Xarf0cJTxiZfjYqgn17Yi3bCHr1hBSbu0zroFIT0QUg7lQeISTSGp j6/c+PyWlt5DtvXmAtgzOnhDEOumv3duTGVNh3kI4VMImau9qqI7CZ4IoEdeVSWMJfT8OATk5Ydxm gu88/xpLb9pq2nLE=; Received: from mail.kernel.org ([198.145.29.99]) by sfi-mx-1.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) id 1hrOsq-007Kdq-VR for linux-f2fs-devel@lists.sourceforge.net; Sat, 27 Jul 2019 15:45:25 +0000 Received: from localhost.localdomain (unknown [180.111.32.87]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3745120840; Sat, 27 Jul 2019 15:45:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564242315; bh=xhy2yW210hlKgAGygUKox66DXlIGoQdsapEPKKUyZz4=; h=From:To:Cc:Subject:Date:From; b=t4du5pV0RN7cch3u6PdiXwdS+gZtV68G6mx4f9y2ObZFUKcm3a/pwSeekg8QSiSC7 Kmiom4xFI3hnMWV/RWQZYcov//+wTOaNSzViu6qjsH07p+f0Q1t+YDPSPja1uBDzn4 g8QTzMd2tZN8D5JwtXNN/kWaDdgIaAakO/AZFEgM= From: Chao Yu To: jaegeuk@kernel.org Date: Sat, 27 Jul 2019 23:44:34 +0800 Message-Id: <20190727154434.5946-1-chao@kernel.org> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 X-Headers-End: 1hrOsq-007Kdq-VR Subject: [f2fs-dev] [PATCH v2] f2fs_io: support defrag_file X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net From: Chao Yu Support 'defrag_file' sub command to trigger file based defragment via ioctl in f2fs. Signed-off-by: Chao Yu --- v2: - remove unneeded debug info. - fix compile warning. tools/f2fs_io/f2fs_io.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/tools/f2fs_io/f2fs_io.c b/tools/f2fs_io/f2fs_io.c index f087da4..59ef8a7 100644 --- a/tools/f2fs_io/f2fs_io.c +++ b/tools/f2fs_io/f2fs_io.c @@ -442,6 +442,46 @@ static void do_gc_urgent(int argc, char **argv, const struct cmd_desc *cmd) } } +#define defrag_file_desc "do defragment on file" +#define defrag_file_help \ +"f2fs_io defrag_file [start] [length] [-v] [file_path]\n\n" \ +" start : start offset of defragment region, unit: bytes\n" \ +" length : bytes number of defragment region\n" \ +" -v : be verbose\n" \ + +static void do_defrag_file(int argc, char **argv, const struct cmd_desc *cmd) +{ + struct f2fs_defragment df; + u64 len; + int ret, fd; + + if (argc != 5) { + fputs("Excess arguments\n\n", stderr); + fputs(cmd->cmd_help, stderr); + exit(1); + } + + df.start = atoll(argv[1]); + df.len = len = atoll(argv[2]); + + fd = open(argv[4], O_RDWR); + if (fd == -1) { + fputs("Open failed\n\n", stderr); + fputs(cmd->cmd_help, stderr); + exit(1); + } +printf("%lu, %lu\n", df.start, df.len); + ret = ioctl(fd, F2FS_IOC_DEFRAGMENT, &df); + if (ret < 0) { + perror("F2FS_IOC_DEFRAGMENT"); + exit(1); + } + printf("defrag %s in region[%lu, %lu]\n", argv[3], + df.start, df.start + len); + exit(0); +} + + #define CMD_HIDDEN 0x0001 #define CMD(name) { #name, do_##name, name##_desc, name##_help, 0 } #define _CMD(name) { #name, do_##name, NULL, NULL, CMD_HIDDEN } @@ -456,6 +496,7 @@ const struct cmd_desc cmd_list[] = { CMD(read), CMD(fiemap), CMD(gc_urgent), + CMD(defrag_file), { NULL, NULL, NULL, NULL, 0 } }; -- 2.22.0 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel