Patchwork [32/54] e2fsck: Handle superblock checksum errors gracefully

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Submitter Darrick J. Wong
Date March 7, 2012, midnight
Message ID <20120307000057.11945.48853.stgit@elm3b70.beaverton.ibm.com>
Download mbox | patch
Permalink /patch/145091/
State Deferred
Delegated to: Theodore Ts'o
Headers show

Comments

Darrick J. Wong - March 7, 2012, midnight
If e2fsck finds a superblock with an invalid checksum, try the backups.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
---
 e2fsck/unix.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)



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Patch

diff --git a/e2fsck/unix.c b/e2fsck/unix.c
index 6f97b0f..a8e3775 100644
--- a/e2fsck/unix.c
+++ b/e2fsck/unix.c
@@ -1198,6 +1198,7 @@  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) {