Patchwork [36/37] e2p: Print superblock checksum in list_super

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Submitter Darrick J. Wong
Date Sept. 1, 2011, 12:39 a.m.
Message ID <20110901003902.1176.58884.stgit@elm3c44.beaverton.ibm.com>
Download mbox | patch
Permalink /patch/112788/
State Changes Requested
Headers show

Comments

Darrick J. Wong - Sept. 1, 2011, 12:39 a.m.
Displays superblock checksum when dumping superblock contents.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
---
 lib/e2p/ls.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)



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Patch

diff --git a/lib/e2p/ls.c b/lib/e2p/ls.c
index aa4a389..1c3ab1c 100644
--- a/lib/e2p/ls.c
+++ b/lib/e2p/ls.c
@@ -413,6 +413,10 @@  void list_super2(struct ext2_super_block * sb, FILE *f)
 	if (sb->s_grp_quota_inum)
 		fprintf(f, "Group quota inode:        %u\n",
 			sb->s_grp_quota_inum);
+
+	if (sb->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)
+		fprintf(f, "Checksum:                 0x%08x\n",
+			sb->s_checksum);
 }
 
 void list_super (struct ext2_super_block * s)