From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8FA64839E for ; Thu, 25 Aug 2016 18:57:46 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id ED2EEAC002 for ; Thu, 25 Aug 2016 16:57:45 -0700 (PDT) Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id oKsWnX8LlJSkgD6E (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 25 Aug 2016 16:57:44 -0700 (PDT) Subject: [PATCH 22/24] xfs: query the per-AG reservation counters From: "Darrick J. Wong" Date: Thu, 25 Aug 2016 16:57:39 -0700 Message-ID: <147216945986.6398.8799705861500901774.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 Establish an ioctl for userspace to query the original and current per-AG reservation counts. This will be used by xfs_scrub to check that the vfs counters are at least somewhat sane. Signed-off-by: Darrick J. Wong --- libxfs/xfs_fs.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h index fd2dd80..2c37d57 100644 --- a/libxfs/xfs_fs.h +++ b/libxfs/xfs_fs.h @@ -580,6 +580,15 @@ struct xfs_scrub_metadata { #define XFS_SCRUB_FLAGS_ALL 0x0 /* no flags yet */ /* + * AG reserved block counters + */ +struct xfs_fsop_ag_resblks { + __u64 resblks; /* blocks reserved now */ + __u64 resblks_orig; /* blocks reserved at mount time */ + __u64 reserved[2]; +}; + +/* * ioctl limits */ #ifdef XATTR_LIST_MAX @@ -652,6 +661,7 @@ struct xfs_scrub_metadata { #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq) #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom) #define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t) +#define XFS_IOC_GET_AG_RESBLKS _IOR ('X', 126, struct xfs_fsop_ag_resblks) /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ /* reflink ioctls; these MUST match the btrfs ioctl definitions */ _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs