From patchwork Tue May 23 09:00:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chandan Babu R X-Patchwork-Id: 13251928 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E01DFC7EE23 for ; Tue, 23 May 2023 09:01:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232838AbjEWJBS (ORCPT ); Tue, 23 May 2023 05:01:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236134AbjEWJBP (ORCPT ); Tue, 23 May 2023 05:01:15 -0400 Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8A381100 for ; Tue, 23 May 2023 02:01:14 -0700 (PDT) Received: from pps.filterd (m0246631.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 34N6E88n018876; Tue, 23 May 2023 09:01:11 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=corp-2023-03-30; bh=6dhCd2tVnD1SQjBVOzOqe6QmEgT6ggmALxTywv95LNY=; b=HWcwWGl/amOqccxXq5II8+glVqBwlbE+Ex+Lc8Mlb3jYmaS+WznSr+A1CNv+pTkD5qlz Yc5i//05nyoILtrP2KO+PjWvwrDmfMRna4iYqSQc8heD9mCIGGgUeaqB76qcnj7nb/PX wozQOzftXzadQguqqZiy2Sv8bjBgHg60z//z2N1i2V1eyKh/NsmrnfBQJBcK5oWVE9YI 2lIAquuzwY/9QX0jpODj/QrhHTqpqukvz9dYXdwE2elEKfrIcGRydRRysV4TrhnxiS4Y ya3bRoYa1l4PuyRQFQ0HShJc4wj+5o3C+0YTRUnno7EaR2i6qvpt7RCjHVhMbmv2uoRh oA== Received: from phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta02.appoci.oracle.com [147.154.114.232]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3qpp3qmku9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 23 May 2023 09:01:11 +0000 Received: from pps.filterd (phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (8.17.1.19/8.17.1.19) with ESMTP id 34N8dwG8029050; Tue, 23 May 2023 09:01:10 GMT Received: from pps.reinject (localhost [127.0.0.1]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 3qqk2aj7eu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 23 May 2023 09:01:10 +0000 Received: from phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 34N8xwrd007681; Tue, 23 May 2023 09:01:10 GMT Received: from chanbabu-fstest.osdevelopmeniad.oraclevcn.com (chanbabu-fstesting.allregionaliads.osdevelopmeniad.oraclevcn.com [100.100.250.50]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTP id 3qqk2aj76a-9; Tue, 23 May 2023 09:01:10 +0000 From: Chandan Babu R To: cem@kernel.org Cc: Chandan Babu R , linux-xfs@vger.kernel.org Subject: [PATCH 08/24] metadump: Introduce struct metadump_ops Date: Tue, 23 May 2023 14:30:34 +0530 Message-Id: <20230523090050.373545-9-chandan.babu@oracle.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230523090050.373545-1-chandan.babu@oracle.com> References: <20230523090050.373545-1-chandan.babu@oracle.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-05-23_05,2023-05-22_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 mlxscore=0 mlxlogscore=999 phishscore=0 bulkscore=0 suspectscore=0 adultscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305230074 X-Proofpoint-GUID: JXZf6Evf4Eq6xahoJDN4ib29kcRrApvW X-Proofpoint-ORIG-GUID: JXZf6Evf4Eq6xahoJDN4ib29kcRrApvW Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org We will need two sets of functions to implement two versions of metadump. This commit adds the definition for 'struct metadump_ops' to hold pointers to version specific metadump functions. Signed-off-by: Chandan Babu R --- db/metadump.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/db/metadump.c b/db/metadump.c index 212b484a2..56d8c3bdf 100644 --- a/db/metadump.c +++ b/db/metadump.c @@ -40,6 +40,14 @@ static const cmdinfo_t metadump_cmd = N_("[-a] [-e] [-g] [-m max_extent] [-w] [-o] filename"), N_("dump metadata to a file"), metadump_help }; +struct metadump_ops { + int (*init_metadump)(void); + int (*write_metadump)(enum typnm type, char *data, int64_t off, + int len); + int (*end_write_metadump)(void); + void (*release_metadump)(void); +}; + static struct metadump { int version; int show_progress; @@ -54,6 +62,7 @@ static struct metadump { xfs_ino_t cur_ino; /* Metadump file */ FILE *outf; + struct metadump_ops *mdops; /* header + index + buffers */ struct xfs_metablock *metablock; __be64 *block_index;