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bh=4muY78hGToEgf7MoTQ1Hpxex4SK2EV4Y+3EgcE5kHdU=; b=URqmaFYDhNpNF5n4Av12eh5PgT CMkr8vucq+WtvbfslSlLLae8sYxdUTewdNOHdvHo3SyY7VNKsITi856RvLaoA34rvovQLAHkRI9dM kA0Sj0p8UgBl4TNQfrKTzVXY+6YfSYWX6VHG5BrzbLiRkm5sg9I/Odo3iH/Hy9usr8iE=; Received: from mail.kernel.org ([198.145.29.99]) by sfi-mx-4.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) id 1hySBp-0050Ul-WD for linux-f2fs-devel@lists.sourceforge.net; Fri, 16 Aug 2019 02:42:12 +0000 Received: from localhost (unknown [104.132.0.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BB7DD206C2; Fri, 16 Aug 2019 02:41:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565923318; bh=mlVTHD0srxBjEUHB+C5QX0v3kBC0rnLOk9ncjbYDh8Y=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ezk9IfhRMpOlYhNYttulHetl0lv2aIfiaueqOdE4yt/tae1njr2d12wqYu8Rh75le 3DoifcCVYlDVcinO+QupclXkTMwTvyko0yDc/PD8q6seUgRQzBVhhme7wevjbGOi9N VYU6sMG2lKHh0efKo61C9pGDbjsxGXBWTD+oXedA= Date: Thu, 15 Aug 2019 19:41:58 -0700 From: Jaegeuk Kim To: linux-f2fs-devel@lists.sourceforge.net Message-ID: <20190816024157.GC73510@jaegeuk-macbookpro.roam.corp.google.com> References: <20190809152328.94814-1-jaegeuk@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190809152328.94814-1-jaegeuk@kernel.org> User-Agent: Mutt/1.8.2 (2017-04-18) X-Headers-End: 1hySBp-0050Ul-WD Subject: Re: [f2fs-dev] [PATCH v2] f2fs_io: add get/setflags 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: Jaegeuk Kim Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net Signed-off-by: Jaegeuk Kim --- - Add + flags for now tools/f2fs_io/f2fs_io.c | 98 +++++++++++++++++++++++++++++++++++++++++ tools/f2fs_io/f2fs_io.h | 14 ++++++ 2 files changed, 112 insertions(+) diff --git a/tools/f2fs_io/f2fs_io.c b/tools/f2fs_io/f2fs_io.c index a5a9836..add40c4 100644 --- a/tools/f2fs_io/f2fs_io.c +++ b/tools/f2fs_io/f2fs_io.c @@ -45,6 +45,102 @@ struct cmd_desc { int cmd_flags; }; +#define getflags_desc "getflags ioctl" +#define getflags_help \ +"f2fs_io getflags [file]\n\n" \ +"get a flag given the file\n" \ +"flag can show \n" \ +" casefold\n" \ +" compression\n" \ +" nocompression\n" + +static void do_getflags(int argc, char **argv, const struct cmd_desc *cmd) +{ + long flag; + int ret, fd; + int exist = 0; + + if (argc != 2) { + fputs("Excess arguments\n\n", stderr); + fputs(cmd->cmd_help, stderr); + exit(1); + } + + fd = open(argv[1], O_RDONLY); + if (fd == -1) { + fputs("Open failed\n\n", stderr); + fputs(cmd->cmd_help, stderr); + exit(1); + } + + ret = ioctl(fd, F2FS_IOC_GETFLAGS, &flag); + printf("get a flag on %s ret=%d, flags=", argv[1], ret); + if (flag & FS_CASEFOLD_FL) { + printf("casefold"); + exist = 1; + } + if (flag & FS_COMPR_FL) { + if (exist) + printf(","); + printf("compression"); + exist = 1; + } + if (flag & FS_NOCOMP_FL) { + if (exist) + printf(","); + printf("nocompression"); + exist = 1; + } + if (!exist) + printf("none"); + printf("\n"); + exit(0); +} + +#define setflags_desc "setflags ioctl" +#define setflags_help \ +"f2fs_io setflags [flag] [file]\n\n" \ +"set a flag given the file\n" \ +"flag can be\n" \ +" casefold\n" \ +" compression\n" \ +" nocompression\n" + +static void do_setflags(int argc, char **argv, const struct cmd_desc *cmd) +{ + long flag; + int ret, fd; + + if (argc != 3) { + fputs("Excess arguments\n\n", stderr); + fputs(cmd->cmd_help, stderr); + exit(1); + } + + fd = open(argv[2], O_RDONLY); + if (fd == -1) { + fputs("Open failed\n\n", stderr); + fputs(cmd->cmd_help, stderr); + exit(1); + } + + ret = ioctl(fd, F2FS_IOC_GETFLAGS, &flag); + printf("get a flag on %s ret=%d, flags=%lx\n", argv[1], ret, flag); + if (ret) + exit(1); + + if (!strcmp(argv[1], "casefold")) + flag |= FS_CASEFOLD_FL; + else if (!strcmp(argv[1], "compression")) + flag |= FS_COMPR_FL; + else if (!strcmp(argv[1], "nocompression")) + flag |= FS_NOCOMP_FL; + + ret = ioctl(fd, F2FS_IOC_SETFLAGS, &flag); + printf("set a flag on %s ret=%d, flags=%s\n", argv[2], ret, argv[1]); + exit(0); +} + #define shutdown_desc "shutdown filesystem" #define shutdown_help \ "f2fs_io shutdown [level] [dir]\n\n" \ @@ -488,6 +584,8 @@ static void do_defrag_file(int argc, char **argv, const struct cmd_desc *cmd) static void do_help(int argc, char **argv, const struct cmd_desc *cmd); const struct cmd_desc cmd_list[] = { _CMD(help), + CMD(getflags), + CMD(setflags), CMD(shutdown), CMD(pinfile), CMD(fallocate), diff --git a/tools/f2fs_io/f2fs_io.h b/tools/f2fs_io/f2fs_io.h index 95fd5be..5768c1b 100644 --- a/tools/f2fs_io/f2fs_io.h +++ b/tools/f2fs_io/f2fs_io.h @@ -41,9 +41,13 @@ typedef u32 __be32; #ifndef FS_IOC_GETFLAGS #define FS_IOC_GETFLAGS _IOR('f', 1, long) #endif +#ifndef FS_IOC_SETFLAGS +#define FS_IOC_SETFLAGS _IOW('f', 2, long) +#endif #define F2FS_IOCTL_MAGIC 0xf5 #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS +#define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1) #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2) @@ -98,6 +102,16 @@ typedef u32 __be32; #define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR #define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR +#ifndef FS_NOCOMP_FL +#define FS_NOCOMP_FL 0x00000400 /* Don't compress */ +#endif +#ifndef FS_COMPR_FL +#define FS_COMPR_FL 0x00000004 /* Compress file */ +#endif +#ifndef FS_CASEFOLD_FL +#define FS_CASEFOLD_FL 0x40000000 /* Folder is case insensitive */ +#endif + struct f2fs_gc_range { u32 sync; u64 start; -- 2.19.0.605.g01d371f741-goog _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel