From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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) 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) Subject: [PATCH 05/24] xfs: create an ioctl to scrub AG metadata From: "Darrick J. Wong" 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> MIME-Version: 1.0 List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-xfs@vger.kernel.org, xfs@oss.sgi.com 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 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs