From mboxrd@z Thu Jan 1 00:00:00 1970 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 A32C4C7EE29 for ; Tue, 23 May 2023 09:01:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236055AbjEWJBP (ORCPT ); Tue, 23 May 2023 05:01:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35922 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236245AbjEWJBM (ORCPT ); Tue, 23 May 2023 05:01:12 -0400 Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F35A121 for ; Tue, 23 May 2023 02:01:11 -0700 (PDT) Received: from pps.filterd (m0246632.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 34N6E7fg024604; Tue, 23 May 2023 09:01:08 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=HVj0Vur7L3aHcILUSMuz4/pjMpNEnP1voyfXidwocOQ=; b=nAQ9Pa+0RsY5jDOQjnV7fb3zUOVfar4qpwmNmqsLPHNHcDlh7GeeKKEZOJ5INg6un16Z DwZWQp1pSGXgNC2ei2u9wZsTT1Aldv4APhjnn847VYxi7aWCmjIbpBrSwfVwlSoNGw8N dmc0kVqY8sTIRz15+0jPldV3RrUkGn/73FgEEo+k06uN2t5vaVIiimEXstHn06ikqgeZ qnU4ob9Y9nB0GeYqt8BDNMXMjcKb9iX+dwiLV2zmFCvVn0yACq6oV85zJMi3TJqeDAgc 1fZejLxwIelfCgMMJOX/jrAUwloFWFdT0xHFgfNmEwTKTvs1xqUbd+LnloRVr1WIg4OV yw== Received: from phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta02.appoci.oracle.com [147.154.114.232]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3qpp7yvkwh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 23 May 2023 09:01:08 +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 34N8l5Qq028926; Tue, 23 May 2023 09:01:07 GMT Received: from pps.reinject (localhost [127.0.0.1]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 3qqk2aj7bg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 23 May 2023 09:01:07 +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 34N8xwrV007681; Tue, 23 May 2023 09:01:07 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-5; Tue, 23 May 2023 09:01:06 +0000 From: Chandan Babu R To: cem@kernel.org Cc: Chandan Babu R , linux-xfs@vger.kernel.org Subject: [PATCH 04/24] metadump: Add initialization and release functions Date: Tue, 23 May 2023 14:30:30 +0530 Message-Id: <20230523090050.373545-5-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 Content-Transfer-Encoding: 8bit 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=831 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-ORIG-GUID: YGgPNYVj0rdZ3M6MBgyp7x5awJeEwhaI X-Proofpoint-GUID: YGgPNYVj0rdZ3M6MBgyp7x5awJeEwhaI Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org Move metadump initialization and release functionality into corresponding functions. Signed-off-by: Chandan Babu R --- db/metadump.c | 88 ++++++++++++++++++++++++++++++--------------------- 1 file changed, 52 insertions(+), 36 deletions(-) diff --git a/db/metadump.c b/db/metadump.c index 806cdfd68..e7a433c21 100644 --- a/db/metadump.c +++ b/db/metadump.c @@ -2984,6 +2984,54 @@ done: return !write_buf(iocur_top); } +static int +init_metadump(void) +{ + metadump.metablock = (xfs_metablock_t *)calloc(BBSIZE + 1, BBSIZE); + if (metadump.metablock == NULL) { + print_warning("memory allocation failure"); + return -1; + } + metadump.metablock->mb_blocklog = BBSHIFT; + metadump.metablock->mb_magic = cpu_to_be32(XFS_MD_MAGIC); + + /* Set flags about state of metadump */ + metadump.metablock->mb_info = XFS_METADUMP_INFO_FLAGS; + if (metadump.obfuscate) + metadump.metablock->mb_info |= XFS_METADUMP_OBFUSCATED; + if (!metadump.zero_stale_data) + metadump.metablock->mb_info |= XFS_METADUMP_FULLBLOCKS; + if (metadump.dirty_log) + metadump.metablock->mb_info |= XFS_METADUMP_DIRTYLOG; + + metadump.block_index = (__be64 *)((char *)metadump.metablock + + sizeof(xfs_metablock_t)); + metadump.block_buffer = (char *)(metadump.metablock) + BBSIZE; + metadump.num_indices = (BBSIZE - sizeof(xfs_metablock_t)) / sizeof(__be64); + + /* + * A metadump block can hold at most num_indices of BBSIZE sectors; + * do not try to dump a filesystem with a sector size which does not + * fit within num_indices (i.e. within a single metablock). + */ + if (mp->m_sb.sb_sectsize > metadump.num_indices * BBSIZE) { + print_warning("Cannot dump filesystem with sector size %u", + mp->m_sb.sb_sectsize); + free(metadump.metablock); + return -1; + } + + metadump.cur_index = 0; + + return 0; +} + +static void +release_metadump(void) +{ + free(metadump.metablock); +} + static int metadump_f( int argc, @@ -3076,48 +3124,16 @@ metadump_f( pop_cur(); } - metadump.metablock = (xfs_metablock_t *)calloc(BBSIZE + 1, BBSIZE); - if (metadump.metablock == NULL) { - print_warning("memory allocation failure"); - return -1; - } - metadump.metablock->mb_blocklog = BBSHIFT; - metadump.metablock->mb_magic = cpu_to_be32(XFS_MD_MAGIC); - - /* Set flags about state of metadump */ - metadump.metablock->mb_info = XFS_METADUMP_INFO_FLAGS; - if (metadump.obfuscate) - metadump.metablock->mb_info |= XFS_METADUMP_OBFUSCATED; - if (!metadump.zero_stale_data) - metadump.metablock->mb_info |= XFS_METADUMP_FULLBLOCKS; - if (metadump.dirty_log) - metadump.metablock->mb_info |= XFS_METADUMP_DIRTYLOG; - - metadump.block_index = (__be64 *)((char *)metadump.metablock + - sizeof(xfs_metablock_t)); - metadump.block_buffer = (char *)metadump.metablock + BBSIZE; - metadump.num_indices = (BBSIZE - sizeof(xfs_metablock_t)) / - sizeof(__be64); - - /* - * A metadump block can hold at most num_indices of BBSIZE sectors; - * do not try to dump a filesystem with a sector size which does not - * fit within num_indices (i.e. within a single metablock). - */ - if (mp->m_sb.sb_sectsize > metadump.num_indices * BBSIZE) { - print_warning("Cannot dump filesystem with sector size %u", - mp->m_sb.sb_sectsize); - free(metadump.metablock); + ret = init_metadump(); + if (ret) return 0; - } start_iocur_sp = iocur_sp; if (strcmp(argv[optind], "-") == 0) { if (isatty(fileno(stdout))) { print_warning("cannot write to a terminal"); - free(metadump.metablock); - return 0; + goto out; } /* * Redirect stdout to stderr for the duration of the @@ -3194,7 +3210,7 @@ metadump_f( while (iocur_sp > start_iocur_sp) pop_cur(); out: - free(metadump.metablock); + release_metadump(); return 0; } -- 2.39.1