linux-ext4 - [PATCH 10/32] dumpe2fs: add switch to disable checksum verification

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Date:	Sat, 01 Mar 2014 23:17:42 -0800
From:	"Darrick J. Wong" <darrick.wong@...cle.com>
To:	tytso@....edu, darrick.wong@...cle.com
Cc:	linux-ext4@...r.kernel.org
Subject: [PATCH 10/32] dumpe2fs: add switch to disable checksum verification

Add a -n switch to turn off checksum verification.

Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>
---
 misc/dumpe2fs.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)


diff --git a/misc/dumpe2fs.c b/misc/dumpe2fs.c
index ae54f8a..45eddaf 100644
--- a/misc/dumpe2fs.c
+++ b/misc/dumpe2fs.c
@@ -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)

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