From: Darrick J. Wong <djwong@us.ibm.com>
Date: Fri, 3 Aug 2012 00:47:44 +0000 (-0400)
Subject: e2fsck: handle superblock checksum errors gracefully
X-Git-Tag: v1.43-WIP-2012-09-22~37
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=dbfab110beeb57a0022bfdc1ceb92e679770ef77;p=thirdparty%2Fe2fsprogs.git

e2fsck: handle superblock checksum errors gracefully

If e2fsck finds a superblock with an invalid checksum, try the
backups.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---

diff --git a/e2fsck/unix.c b/e2fsck/unix.c
index 63487775e..b596a694c 100644
--- a/e2fsck/unix.c
+++ b/e2fsck/unix.c
@@ -1269,6 +1269,7 @@ 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 (retval) {