From patchwork Wed May 29 22:28:15 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Darrick J. Wong" X-Patchwork-Id: 10967879 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5D01E76 for ; Wed, 29 May 2019 22:28:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4BF8C28A35 for ; Wed, 29 May 2019 22:28:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4039428A38; Wed, 29 May 2019 22:28:21 +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=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CC7C628A35 for ; Wed, 29 May 2019 22:28:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726454AbfE2W2U (ORCPT ); Wed, 29 May 2019 18:28:20 -0400 Received: from userp2120.oracle.com ([156.151.31.85]:56510 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726408AbfE2W2U (ORCPT ); Wed, 29 May 2019 18:28:20 -0400 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x4TM3h6I030343 for ; Wed, 29 May 2019 22:28:18 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : from : to : cc : date : message-id : in-reply-to : references : mime-version : content-type : content-transfer-encoding; s=corp-2018-07-02; bh=3YI2POuhiI8u91Iw8jqy21cP5O83l9qIRWWrvWzvzP8=; b=3d0Ri59UOESS75xIcKYh1sr/4tuVcA545fMKUhPCVge/YSAohWIcVkTPP5n/NeF5viMM O54odAi7YsNE36mL0rGQuh+atCRESrv/IoueLWsDEPyxKIotgymWN1Gw11m+0ctJS4zO wy+eLEoowjVzLIOXk1C0Vq1zlSYQQWxxg/z5XjjFt1/oQ1TVCvtmkj3zQ/bjW0q5Ebg7 ZzoIhTNBlK9OHicAUVqcMo79gu/W+G+ygM8N3+Fy2ZKL1vNdyG3INSZJjEhtNA6aaxk5 fIN/mmop2lUhTqXIPb9NGSHD2yMzEJUUVo0wgWm2ptDhhMcfLylk1AZja74p4nPP0KJw jw== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by userp2120.oracle.com with ESMTP id 2spxbqcpaa-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Wed, 29 May 2019 22:28:18 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x4TMQOSC172659 for ; Wed, 29 May 2019 22:28:18 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserp3020.oracle.com with ESMTP id 2sqh73ym88-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Wed, 29 May 2019 22:28:17 +0000 Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id x4TMSHos023545 for ; Wed, 29 May 2019 22:28:17 GMT Received: from localhost (/67.169.218.210) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 29 May 2019 15:28:17 -0700 Subject: [PATCH 7/9] xfs: wire up the v5 INUMBERS ioctl From: "Darrick J. Wong" To: darrick.wong@oracle.com Cc: linux-xfs@vger.kernel.org Date: Wed, 29 May 2019 15:28:15 -0700 Message-ID: <155916889587.758159.4685292951595604048.stgit@magnolia> In-Reply-To: <155916885106.758159.3471602893858635007.stgit@magnolia> References: <155916885106.758159.3471602893858635007.stgit@magnolia> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9272 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=1 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1905290138 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9272 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1905290138 Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Darrick J. Wong Wire up the v5 INUMBERS ioctl and rename the old one to v1. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_fs.h | 8 ++++++++ fs/xfs/xfs_ioctl.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_ioctl32.c | 1 + fs/xfs/xfs_ondisk.h | 1 + 4 files changed, 61 insertions(+) diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h index 95d0411dae9b..f9f35139d4b7 100644 --- a/fs/xfs/libxfs/xfs_fs.h +++ b/fs/xfs/libxfs/xfs_fs.h @@ -493,6 +493,13 @@ struct xfs_bulkstat_single_req { struct xfs_bulkstat bulkstat; }; +struct xfs_inumbers_req { + struct xfs_bulk_ireq hdr; + struct xfs_inumbers inumbers[]; +}; +#define XFS_INUMBERS_REQ_SIZE(nr) (sizeof(struct xfs_inumbers_req) + \ + (nr) * sizeof(struct xfs_inumbers)) + /* * Error injection. */ @@ -796,6 +803,7 @@ struct xfs_scrub_metadata { #define XFS_IOC_FSGEOMETRY _IOR ('X', 126, struct xfs_fsop_geom) #define XFS_IOC_BULKSTAT _IOR ('X', 127, struct xfs_bulkstat_req) #define XFS_IOC_BULKSTAT_SINGLE _IOR ('X', 128, struct xfs_bulkstat_single_req) +#define XFS_IOC_INUMBERS _IOR ('X', 129, struct xfs_inumbers_req) /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index f6971eb9561e..294039c2ea75 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -1006,6 +1006,55 @@ xfs_ioc_bulkstat_single( return 0; } +STATIC int +xfs_inumbers_fmt( + struct xfs_ibulk *breq, + const struct xfs_inumbers *igrp) +{ + if (copy_to_user(breq->ubuffer, igrp, sizeof(struct xfs_inumbers))) + return -EFAULT; + return xfs_ibulk_advance(breq, sizeof(struct xfs_inumbers)); +} + +/* Handle the v5 inumbers ioctl. */ +STATIC int +xfs_ioc_inumbers( + struct xfs_mount *mp, + unsigned int cmd, + struct xfs_inumbers_req __user *arg) +{ + struct xfs_bulk_ireq hdr; + struct xfs_ibulk breq = { + .mp = mp, + }; + int error; + + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + if (XFS_FORCED_SHUTDOWN(mp)) + return -EIO; + + if (copy_from_user(&hdr, &arg->hdr, sizeof(hdr))) + return -EFAULT; + + error = xfs_bulk_ireq_setup(mp, &hdr, &breq, arg->inumbers); + if (error < 0) + return error; + + if (!error) + error = xfs_inumbers(&breq, xfs_inumbers_fmt); + + error = xfs_bulk_ireq_teardown(&hdr, &breq, error); + if (error) + return error; + + if (copy_to_user(&arg->hdr, &hdr, sizeof(hdr))) + return -EFAULT; + + return 0; +} + STATIC int xfs_ioc_fsgeometry( struct xfs_mount *mp, @@ -2174,6 +2223,8 @@ xfs_file_ioctl( return xfs_ioc_bulkstat(mp, cmd, arg); case XFS_IOC_BULKSTAT_SINGLE: return xfs_ioc_bulkstat_single(mp, cmd, arg); + case XFS_IOC_INUMBERS: + return xfs_ioc_inumbers(mp, cmd, arg); case XFS_IOC_FSGEOMETRY_V1: return xfs_ioc_fsgeometry(mp, arg, 3); diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c index 08a90e3459d1..772086998ab3 100644 --- a/fs/xfs/xfs_ioctl32.c +++ b/fs/xfs/xfs_ioctl32.c @@ -578,6 +578,7 @@ xfs_file_compat_ioctl( case XFS_IOC_SCRUB_METADATA: case XFS_IOC_BULKSTAT: case XFS_IOC_BULKSTAT_SINGLE: + case XFS_IOC_INUMBERS: return xfs_file_ioctl(filp, cmd, p); #if !defined(BROKEN_X86_ALIGNMENT) || defined(CONFIG_X86_X32) /* diff --git a/fs/xfs/xfs_ondisk.h b/fs/xfs/xfs_ondisk.h index fa1252657b08..e390e65d2438 100644 --- a/fs/xfs/xfs_ondisk.h +++ b/fs/xfs/xfs_ondisk.h @@ -151,6 +151,7 @@ xfs_check_ondisk_structs(void) XFS_CHECK_STRUCT_SIZE(struct xfs_inumbers, 24); XFS_CHECK_STRUCT_SIZE(struct xfs_bulkstat_req, 64); XFS_CHECK_STRUCT_SIZE(struct xfs_bulkstat_single_req, 224); + XFS_CHECK_STRUCT_SIZE(struct xfs_inumbers_req, 64); } #endif /* __XFS_ONDISK_H */