From owner-svn-src-head@freebsd.org Sun Nov 5 13:28:49 2017 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 87DF8E6BE95; Sun, 5 Nov 2017 13:28:49 +0000 (UTC) (envelope-from kib@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 mx1.freebsd.org (Postfix) with ESMTPS id 56BA37FC4E; Sun, 5 Nov 2017 13:28:49 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id vA5DSmvZ077981; Sun, 5 Nov 2017 13:28:48 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id vA5DSmQj077980; Sun, 5 Nov 2017 13:28:48 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201711051328.vA5DSmQj077980@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Sun, 5 Nov 2017 13:28:48 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r325435 - head/sys/ufs/ffs X-SVN-Group: head X-SVN-Commit-Author: kib X-SVN-Commit-Paths: head/sys/ufs/ffs X-SVN-Commit-Revision: 325435 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 05 Nov 2017 13:28:49 -0000 Author: kib Date: Sun Nov 5 13:28:48 2017 New Revision: 325435 URL: https://svnweb.freebsd.org/changeset/base/325435 Log: Improve the message printed when the cylinder group checksum is wrong. Mention the device path and mount point path, handle snapshots. Tested by: imp Sponsored by: The FreeBSD Foundation Modified: head/sys/ufs/ffs/ffs_alloc.c Modified: head/sys/ufs/ffs/ffs_alloc.c ============================================================================== --- head/sys/ufs/ffs/ffs_alloc.c Sun Nov 5 11:59:33 2017 (r325434) +++ head/sys/ufs/ffs/ffs_alloc.c Sun Nov 5 13:28:48 2017 (r325435) @@ -2584,6 +2584,15 @@ ffs_mapsearch(fs, cgp, bpref, allocsiz) return (-1); } +static const struct statfs * +ffs_getmntstat(struct vnode *devvp) +{ + + if (devvp->v_type == VCHR) + return (&devvp->v_rdev->si_mountpt->mnt_stat); + return (ffs_getmntstat(VFSTOUFS(devvp->v_mount)->um_devvp)); +} + /* * Fetch and verify a cylinder group. */ @@ -2597,6 +2606,7 @@ ffs_getcg(fs, devvp, cg, bpp, cgpp) { struct buf *bp; struct cg *cgp; + const struct statfs *sfs; int flags, error; *bpp = NULL; @@ -2615,7 +2625,11 @@ ffs_getcg(fs, devvp, cg, bpp, cgpp) (bp->b_flags & B_CKHASH) != 0 && cgp->cg_ckhash != bp->b_ckhash) || !cg_chkmagic(cgp) || cgp->cg_cgx != cg) { - printf("checksum failed: cg %u, cgp: 0x%x != bp: 0x%jx\n", + sfs = ffs_getmntstat(devvp); + printf("UFS %s%s (%s) cylinder checksum failed: cg %u, cgp: " + "0x%x != bp: 0x%jx\n", + devvp->v_type == VCHR ? "" : "snapshot of ", + sfs->f_mntfromname, sfs->f_mntonname, cg, cgp->cg_ckhash, (uintmax_t)bp->b_ckhash); bp->b_flags &= ~B_CKHASH; bp->b_flags |= B_INVAL | B_NOCACHE;