From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Darrick J. Wong" Subject: [PATCH 06/18] dumpe2fs: add switch to disable checksum verification Date: Fri, 25 Jul 2014 17:34:16 -0700 Message-ID: <20140726003416.28334.11698.stgit@birch.djwong.org> References: <20140726003339.28334.54447.stgit@birch.djwong.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: linux-ext4@vger.kernel.org To: tytso@mit.edu, darrick.wong@oracle.com Return-path: Received: from userp1040.oracle.com ([156.151.31.81]:31823 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752623AbaGZAeV (ORCPT ); Fri, 25 Jul 2014 20:34:21 -0400 In-Reply-To: <20140726003339.28334.54447.stgit@birch.djwong.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: Add a -n switch to turn off checksum verification. Signed-off-by: Darrick J. Wong --- misc/dumpe2fs.8.in | 3 +++ misc/dumpe2fs.c | 10 +++++++--- 2 files changed, 10 insertions(+), 3 deletions(-) diff --git a/misc/dumpe2fs.8.in b/misc/dumpe2fs.8.in index befaf94..51614db 100644 --- a/misc/dumpe2fs.8.in +++ b/misc/dumpe2fs.8.in @@ -61,6 +61,9 @@ using .I device as the pathname to the image file. .TP +.B \-n +Don't verify checksums when dumping the filesystem. +.TP .B \-x print the detailed group information block numbers in hexadecimal format .TP diff --git a/misc/dumpe2fs.c b/misc/dumpe2fs.c index 0b84ece..3ce7304 100644 --- a/misc/dumpe2fs.c +++ b/misc/dumpe2fs.c @@ -52,7 +52,7 @@ static int blocks64 = 0; static void usage(void) { - fprintf (stderr, _("Usage: %s [-bfhixV] [-o superblock=] " + fprintf(stderr, _("Usage: %s [-bfhinxV] [-o superblock=] " "[-o blocksize=] device\n"), program_name); exit (1); } @@ -582,7 +582,9 @@ int main (int argc, char ** argv) if (argc && *argv) program_name = *argv; - while ((c = getopt (argc, argv, "bfhixVo:")) != EOF) { + flags = EXT2_FLAG_JOURNAL_DEV_OK | EXT2_FLAG_SOFTSUPP_FEATURES | + EXT2_FLAG_64BITS; + while ((c = getopt(argc, argv, "bfhixVo:n")) != EOF) { switch (c) { case 'b': print_badblocks++; @@ -608,6 +610,9 @@ int main (int argc, char ** argv) case 'x': hex_format++; break; + case 'n': + flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS; + break; default: usage(); } @@ -615,7 +620,6 @@ int main (int argc, char ** argv) if (optind > argc - 1) usage(); device_name = argv[optind++]; - flags = EXT2_FLAG_JOURNAL_DEV_OK | EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS; if (force) flags |= EXT2_FLAG_FORCE; if (image_dump)