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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id BD147C04A68 for ; Wed, 27 Jul 2022 15:09:52 +0000 (UTC) Received: from [127.0.0.1] (helo=sfs-ml-2.v29.lw.sourceforge.com) by sfs-ml-2.v29.lw.sourceforge.com with esmtp (Exim 4.94.2) (envelope-from ) id 1oGifV-0007hl-H1; Wed, 27 Jul 2022 15:09:50 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-2.v29.lw.sourceforge.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1oGifT-0007hf-MQ for linux-f2fs-devel@lists.sourceforge.net; Wed, 27 Jul 2022 15:09:48 +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=LHmdI07e7CQujUltONE8g+psJBOLVrsNFjZ8/2CPzUc=; b=TvGeRHoBAhH2OR3P0WHMer/r+w Mcfj/MTuVj08A678N8W3yOP+0Wcq4uY/w2U/wv7JBvDUaGjikwJgSHw6Np8yZatYvG4BxkMwawH9A WpiODyeHxTYGX7qiZaOljp//O5VSHP3ER4z1XLnyMMyIvmcfuA07ZD+/F4C72j//Kxd0=; 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=LHmdI07e7CQujUltONE8g+psJBOLVrsNFjZ8/2CPzUc=; b=W e2y5yq04/MYTGDxsLmLAs74ZEQToXnRfo7kMUuyaTfdDvtxt4auDgKAUZqWxjd7EzB+kvooHm2/1M qxxq9QwxWfj1dn34YYbwXv7oZt8nBM792n2GhVmi5160WjvagV8+nEtekLm2vAeNXN7CXCap9+LJV PTsT1XYWIyb9r3JU=; Received: from ams.source.kernel.org ([145.40.68.75]) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.94.2) id 1oGifS-0005ZQ-QX for linux-f2fs-devel@lists.sourceforge.net; Wed, 27 Jul 2022 15:09:48 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 62B7CB82198; Wed, 27 Jul 2022 15:09:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A11A5C433D7; Wed, 27 Jul 2022 15:09:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1658934578; bh=2zVKL05JFFdmF0O+nwk28zeVSf9sdJnK0AtR9koYPf8=; h=From:To:Cc:Subject:Date:From; b=XeuN683XXK6oXUWdxJxv+ojjctS6Joeg6CtaGxvGYF4RXV9BHW0wXK6EUrecjPD8o 0u37hj0jAqjqrKpZa8XJ2lDzAYkRqZuZYnoTnxbegopVSCnlAD7D/NYfS+yPvnbw7H R39QUh2AnFFaLJpraAVm8+Ev/zxtFmUzkmT0R3LPmmOPdSKVUw7TMhI3ejWFa38JhG KYaxirmUU8dDybV43aXWlvcAZiZBm3hM34XjEGOTWayAmydwe4I+0CaxHHPaIVf6U2 +o+kmHUMwX4QMZdR6KHOrprUIdSbFQtWGKmwvmoG8odl8qP/FxT/xjc2r+Xsswr0NB iy/ZVZXbiZ+KA== From: Chao Yu To: jaegeuk@kernel.org Date: Wed, 27 Jul 2022 23:09:25 +0800 Message-Id: <20220727150925.1983251-1-chao@kernel.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Headers-End: 1oGifS-0005ZQ-QX Subject: [f2fs-dev] [PATCH] f2fs_io: support triggering filesystem GC via ioctl 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 'gc' sub command to trigger filesystem GC via ioctl in f2fs. Signed-off-by: Chao Yu --- man/f2fs_io.8 | 3 +++ tools/f2fs_io/f2fs_io.c | 28 ++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+) diff --git a/man/f2fs_io.8 b/man/f2fs_io.8 index af7325a..33789c2 100644 --- a/man/f2fs_io.8 +++ b/man/f2fs_io.8 @@ -132,6 +132,9 @@ Release compressed blocks to get free space. .TP \fBreserve_cblocks\fR \fI[file]\fR Reserve free blocks to prepare decompressing blocks in the file. +.TP +\fBgc\fR \fI[sync_mode] [file]\fR +Trigger filesystem GC .SH AUTHOR This version of .B f2fs_io diff --git a/tools/f2fs_io/f2fs_io.c b/tools/f2fs_io/f2fs_io.c index e735983..5be7b9e 100644 --- a/tools/f2fs_io/f2fs_io.c +++ b/tools/f2fs_io/f2fs_io.c @@ -1270,6 +1270,33 @@ static void do_rename(int argc, char **argv, const struct cmd_desc *cmd) exit(0); } +#define gc_desc "trigger filesystem GC" +#define gc_help "f2fs_io gc sync_mode [file_path]\n\n" + +static void do_gc(int argc, char **argv, const struct cmd_desc *cmd) +{ + u32 sync; + int ret, fd; + + if (argc != 3) { + fputs("Excess arguments\n\n", stderr); + fputs(cmd->cmd_help, stderr); + exit(1); + } + + sync = atoi(argv[1]); + + fd = xopen(argv[2], O_RDONLY, 0); + + ret = ioctl(fd, F2FS_IOC_GARBAGE_COLLECT, &sync); + if (ret < 0) + die_errno("F2FS_IOC_GARBAGE_COLLECT failed"); + + printf("trigger %s gc ret=%d\n", + sync ? "synchronous" : "asynchronous", ret); + 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 } @@ -1301,6 +1328,7 @@ const struct cmd_desc cmd_list[] = { CMD(compress), CMD(get_filename_encrypt_mode), CMD(rename), + CMD(gc), { NULL, NULL, NULL, NULL, 0 } }; -- 2.25.1 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel