From patchwork Thu Aug 25 23:57:33 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Darrick J. Wong" X-Patchwork-Id: 9300639 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D62FF607D8 for ; Thu, 25 Aug 2016 23:58:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C6A7B29412 for ; Thu, 25 Aug 2016 23:58:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BB92D29415; Thu, 25 Aug 2016 23:58:04 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from oss.sgi.com (oss.sgi.com [192.48.182.195]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 48F2029412 for ; Thu, 25 Aug 2016 23:58:04 +0000 (UTC) Received: from oss.sgi.com (localhost [IPv6:::1]) by oss.sgi.com (Postfix) with ESMTP id 676438398; Thu, 25 Aug 2016 18:57:42 -0500 (CDT) X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B1F868396 for ; Thu, 25 Aug 2016 18:57:40 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 26DB4AC002 for ; Thu, 25 Aug 2016 16:57:40 -0700 (PDT) X-ASG-Debug-ID: 1472169457-0bf57b5313209e40001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id x9b3OWlICGzSFazG (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 25 Aug 2016 16:57:38 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u7PNva9Q003839 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 25 Aug 2016 23:57:36 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id u7PNva6g007957 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 25 Aug 2016 23:57:36 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u7PNvZfU003630; Thu, 25 Aug 2016 23:57:35 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 25 Aug 2016 16:57:35 -0700 Subject: [PATCH 21/24] xfs: scrub should cross-reference the realtime bitmap From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 21/24] xfs: scrub should cross-reference the realtime bitmap To: david@fromorbit.com, darrick.wong@oracle.com Date: Thu, 25 Aug 2016 16:57:33 -0700 Message-ID: <147216945371.6398.4788072006138447787.stgit@birch.djwong.org> In-Reply-To: <147216931783.6398.1716678878794493264.stgit@birch.djwong.org> References: <147216931783.6398.1716678878794493264.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1472169458 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1056 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.32328 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Cc: linux-xfs@vger.kernel.org, xfs@oss.sgi.com X-BeenThere: xfs@oss.sgi.com X-Mailman-Version: 2.1.14 Precedence: list List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com X-Virus-Scanned: ClamAV using ClamSMTP While we're scrubbing various btrees, cross-reference the records with the other metadata. Signed-off-by: Darrick J. Wong --- libxfs/xfs_rtbitmap.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/libxfs/xfs_rtbitmap.c b/libxfs/xfs_rtbitmap.c index 70ea975..d7a1acd 100644 --- a/libxfs/xfs_rtbitmap.c +++ b/libxfs/xfs_rtbitmap.c @@ -1011,3 +1011,32 @@ xfs_rtfree_extent( } return 0; } + +/* Is the given extent all free? */ +int +xfs_rtbitmap_extent_is_free( + struct xfs_mount *mp, + xfs_rtblock_t start, + xfs_rtblock_t len, + bool *is_free) +{ + xfs_rtblock_t end; + xfs_extlen_t clen; + int matches; + int error; + + *is_free = false; + while (len) { + clen = len > ~0U ? ~0U : len; + error = xfs_rtcheck_range(mp, NULL, start, clen, 1, &end, + &matches); + if (error || !matches || end < start + clen) + return error; + + len -= end - start; + start = end + 1; + } + + *is_free = true; + return error; +}