From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaegeuk Kim Subject: [PATCH] mkfs/fsck: add host-managed smr feature Date: Tue, 14 Jun 2016 11:45:47 -0700 Message-ID: <20160614184547.88785-1-jaegeuk@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1bCtLY-0002Op-HJ for linux-f2fs-devel@lists.sourceforge.net; Tue, 14 Jun 2016 18:45:56 +0000 Received: from mail.kernel.org ([198.145.29.136]) by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76) id 1bCtLX-0000Cd-OM for linux-f2fs-devel@lists.sourceforge.net; Tue, 14 Jun 2016 18:45:56 +0000 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim This feature flag will be used by f2fs to detect HMSMR device. Signed-off-by: Jaegeuk Kim --- fsck/mount.c | 3 +++ include/f2fs_fs.h | 1 + mkfs/f2fs_format_main.c | 2 ++ 3 files changed, 6 insertions(+) diff --git a/fsck/mount.c b/fsck/mount.c index 9d08118..e0223e0 100644 --- a/fsck/mount.c +++ b/fsck/mount.c @@ -267,6 +267,9 @@ void print_sb_state(struct f2fs_super_block *sb) if (f & cpu_to_le32(F2FS_FEATURE_ENCRYPT)) { MSG(0, "%s", " encrypt"); } + if (f & cpu_to_le32(F2FS_FEATURE_HMSMR)) { + MSG(0, "%s", " host-managed SMR"); + } MSG(0, "\n"); MSG(0, "Info: superblock encrypt level = %d, salt = ", sb->encryption_level); diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h index 1045ede..1345e2d 100644 --- a/include/f2fs_fs.h +++ b/include/f2fs_fs.h @@ -457,6 +457,7 @@ enum { #define MAX_ACTIVE_DATA_LOGS 8 #define F2FS_FEATURE_ENCRYPT 0x0001 +#define F2FS_FEATURE_HMSMR 0x0002 #define MAX_VOLUME_NAME 512 diff --git a/mkfs/f2fs_format_main.c b/mkfs/f2fs_format_main.c index 8bd938c..f69d03f 100644 --- a/mkfs/f2fs_format_main.c +++ b/mkfs/f2fs_format_main.c @@ -64,6 +64,8 @@ static void parse_feature(char *features) { if (!strcmp(features, "encrypt")) { config.feature |= cpu_to_le32(F2FS_FEATURE_ENCRYPT); + } else if (config.smr_mode) { + config.feature |= cpu_to_le32(F2FS_FEATURE_HMSMR); } else { MSG(0, "Error: Wrong features\n"); mkfs_usage(); -- 2.8.3 ------------------------------------------------------------------------------ What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic patterns at an interface-level. Reveals which users, apps, and protocols are consuming the most bandwidth. Provides multi-vendor support for NetFlow, J-Flow, sFlow and other flows. Make informed decisions using capacity planning reports. http://pubads.g.doubleclick.net/gampad/clk?id=1444514421&iu=/41014381