From patchwork Thu Aug 25 23:55:50 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Darrick J. Wong" X-Patchwork-Id: 9300607 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 60A05607D8 for ; Thu, 25 Aug 2016 23:56:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 516AE29412 for ; Thu, 25 Aug 2016 23:56:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4121A2940E; Thu, 25 Aug 2016 23:56:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from oss.sgi.com (oss.sgi.com [192.48.182.195]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B17ED2940E for ; Thu, 25 Aug 2016 23:56:09 +0000 (UTC) Received: from oss.sgi.com (localhost [IPv6:::1]) by oss.sgi.com (Postfix) with ESMTP id 4AB138312; Thu, 25 Aug 2016 18:55:58 -0500 (CDT) X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id CFBB68312 for ; Thu, 25 Aug 2016 18:55:56 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 9731D304039 for ; Thu, 25 Aug 2016 16:55:56 -0700 (PDT) X-ASG-Debug-ID: 1472169354-0bf57b5311209d90001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id vIqbew5CqfTmWtaW (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 25 Aug 2016 16:55:55 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u7PNtrwJ002699 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 25 Aug 2016 23:55:53 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id u7PNtqgL005460 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 25 Aug 2016 23:55:53 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u7PNtqA9024818; Thu, 25 Aug 2016 23:55:52 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 25 Aug 2016 16:55:52 -0700 Subject: [PATCH 05/24] xfs: create an ioctl to scrub AG metadata From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 05/24] xfs: create an ioctl to scrub AG metadata To: david@fromorbit.com, darrick.wong@oracle.com Date: Thu, 25 Aug 2016 16:55:50 -0700 Message-ID: <147216935060.6398.12110286173117202579.stgit@birch.djwong.org> In-Reply-To: <147216931783.6398.1716678878794493264.stgit@birch.djwong.org> References: <147216931783.6398.1716678878794493264.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1472169355 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1497 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.32328 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Cc: linux-xfs@vger.kernel.org, xfs@oss.sgi.com X-BeenThere: xfs@oss.sgi.com X-Mailman-Version: 2.1.14 Precedence: list List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com X-Virus-Scanned: ClamAV using ClamSMTP Create an ioctl that can be used to scrub internal filesystem metadata. The new ioctl takes the metadata type, an (optional) AG number, and a flags argument. This will be used by the upcoming XFS online scrub tool. Signed-off-by: Darrick J. Wong --- libxfs/xfs_fs.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h index 11149fa..6cb3cff 100644 --- a/libxfs/xfs_fs.h +++ b/libxfs/xfs_fs.h @@ -548,6 +548,21 @@ typedef struct xfs_swapext #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ +/* metadata scrubbing */ +struct xfs_scrub_metadata { + __u32 type; /* What to check? */ + __u32 flags; /* Flags; none defined right now. */ + __u64 control; /* AG or inode number */ + __u64 reserved[6]; /* Must be zero. */ +}; + +/* + * Metadata types and flags for scrub operation. + */ +#define XFS_SCRUB_TYPE_MAX 0 + +#define XFS_SCRUB_FLAGS_ALL 0x0 /* no flags yet */ + /* * ioctl limits */ @@ -588,6 +603,7 @@ typedef struct xfs_swapext #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks) #define XFS_IOC_GETFSMAP _IOWR('X', 59, struct getfsmap) +#define XFS_IOC_SCRUB_METADATA _IOR ('X', 60, struct xfs_scrub_metadata) /* * ioctl commands that replace IRIX syssgi()'s