Patchwork [31/47] e2fsck: Handle superblock checksum errors gracefully

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Submitter Darrick J. Wong
Date Oct. 8, 2011, 7:36 a.m.
Message ID <20111008073632.17888.82871.stgit@elm3c44.beaverton.ibm.com>
Download mbox | patch
Permalink /patch/118452/
State Superseded
Headers show

Comments

Darrick J. Wong - Oct. 8, 2011, 7:36 a.m.
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 2f4c232..1d81762 100644
--- a/e2fsck/unix.c
+++ b/e2fsck/unix.c
@@ -1184,6 +1184,7 @@  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) {