From owner-svn-src-head@freebsd.org Tue Sep 3 14:06:21 2019 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 28ADBDC593; Tue, 3 Sep 2019 14:06:14 +0000 (UTC) (envelope-from yuripv@freebsd.org) Received: from freefall.freebsd.org (freefall.freebsd.org [96.47.72.132]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "freefall.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46N7z90r7wz4PKh; Tue, 3 Sep 2019 14:06:13 +0000 (UTC) (envelope-from yuripv@freebsd.org) Received: by freefall.freebsd.org (Postfix, from userid 1452) id EB4F21A332; Tue, 3 Sep 2019 14:06:01 +0000 (UTC) X-Original-To: yuripv@localmail.freebsd.org Delivered-To: yuripv@localmail.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client CN "mx1.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by freefall.freebsd.org (Postfix) with ESMTPS id 31FAF1DC10; 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Thu, 4 Apr 2019 23:16:37 +0000 (UTC) (envelope-from delphij@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id E1C31492E; Thu, 4 Apr 2019 23:16:36 +0000 (UTC) (envelope-from delphij@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x34NGag3018482; Thu, 4 Apr 2019 23:16:36 GMT (envelope-from delphij@FreeBSD.org) Received: (from delphij@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x34NGabE018481; Thu, 4 Apr 2019 23:16:36 GMT (envelope-from delphij@FreeBSD.org) Message-Id: <201904042316.x34NGabE018481@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: delphij set sender to delphij@FreeBSD.org using -f From: Xin LI To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r345894 - head/sbin/fsck_msdosfs X-SVN-Group: head X-SVN-Commit-Author: delphij X-SVN-Commit-Paths: head/sbin/fsck_msdosfs X-SVN-Commit-Revision: 345894 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk X-Loop: FreeBSD.org Sender: owner-src-committers@freebsd.org X-Rspamd-Queue-Id: 4C3BC6A8BE X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.94 / 15.00]; local_wl_from(0.00)[freebsd.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.94)[-0.941,0]; ASN(0.00)[asn:11403, ipnet:96.47.64.0/20, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] Status: O X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Date: Tue, 03 Sep 2019 14:06:21 -0000 X-Original-Date: Thu, 4 Apr 2019 23:16:36 +0000 (UTC) X-List-Received-Date: Tue, 03 Sep 2019 14:06:21 -0000 Author: delphij Date: Thu Apr 4 23:16:36 2019 New Revision: 345894 URL: https://svnweb.freebsd.org/changeset/base/345894 Log: Restore the ability of checking and fixing next free cluster in FSINFO that was lost in r203872. Obtained from: NetBSD MFC after: 2 weeks Modified: head/sbin/fsck_msdosfs/fat.c Modified: head/sbin/fsck_msdosfs/fat.c ============================================================================== --- head/sbin/fsck_msdosfs/fat.c Thu Apr 4 20:34:17 2019 (r345893) +++ head/sbin/fsck_msdosfs/fat.c Thu Apr 4 23:16:36 2019 (r345894) @@ -705,6 +705,20 @@ checklost(int dosfs, struct bootblock *boot, struct fa ret = 1; } } + if (boot->FSNext != 0xffffffffU && + (boot->FSNext >= boot->NumClusters || + (boot->NumFree && fat[boot->FSNext].next != CLUST_FREE))) { + pwarn("Next free cluster in FSInfo block (%u) %s\n", + boot->FSNext, + (boot->FSNext >= boot->NumClusters) ? "invalid" : "not free"); + if (ask(1, "fix")) + for (head = CLUST_FIRST; head < boot->NumClusters; head++) + if (fat[head].next == CLUST_FREE) { + boot->FSNext = head; + ret = 1; + break; + } + } if (ret) mod |= writefsinfo(dosfs, boot); }