From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Darrick J. Wong" Subject: [PATCH 35/37] e2fsck: Handle superblock checksum errors gracefully Date: Wed, 31 Aug 2011 17:38:55 -0700 Message-ID: <20110901003855.1176.88384.stgit@elm3c44.beaverton.ibm.com> References: <20110901003509.1176.51159.stgit@elm3c44.beaverton.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: Sunil Mushran , Amir Goldstein , Andi Kleen , Mingming Cao , Joel Becker , linux-ext4@vger.kernel.org, Coly Li To: Andreas Dilger , Theodore Tso , "Darrick J. Wong" Return-path: Received: from e33.co.us.ibm.com ([32.97.110.151]:43980 "EHLO e33.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757312Ab1IAAjE (ORCPT ); Wed, 31 Aug 2011 20:39:04 -0400 Received: from d03relay01.boulder.ibm.com (d03relay01.boulder.ibm.com [9.17.195.226]) by e33.co.us.ibm.com (8.14.4/8.13.1) with ESMTP id p810V2X6027205 for ; Wed, 31 Aug 2011 18:31:02 -0600 Received: from d03av04.boulder.ibm.com (d03av04.boulder.ibm.com [9.17.195.170]) by d03relay01.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p810cxM7166350 for ; Wed, 31 Aug 2011 18:38:59 -0600 Received: from d03av04.boulder.ibm.com (loopback [127.0.0.1]) by d03av04.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id p7VIcul0015054 for ; Wed, 31 Aug 2011 12:38:58 -0600 In-Reply-To: <20110901003509.1176.51159.stgit@elm3c44.beaverton.ibm.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: If e2fsck finds a superblock with an invalid checksum, try the backups. Signed-off-by: Darrick J. Wong --- e2fsck/unix.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/e2fsck/unix.c b/e2fsck/unix.c index 7e95ca8..c32b8d7 100644 --- a/e2fsck/unix.c +++ b/e2fsck/unix.c @@ -1096,6 +1096,7 @@ restart: if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) && !(ctx->flags & E2F_FLAG_SB_SPECIFIED) && ((retval == EXT2_ET_BAD_MAGIC) || + (retval == EXT2_ET_SB_CSUM_INVALID) || (retval == EXT2_ET_CORRUPT_SUPERBLOCK) || ((retval == 0) && (retval2 = ext2fs_check_desc(fs))))) { if (retval2 == ENOMEM) {