Print htree node checksums when dumping a directory index.
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
debugfs/htree.c | 17 ++++++++++++++++-
1 files changed, 16 insertions(+), 1 deletions(-)
diff --git a/debugfs/htree.c b/debugfs/htree.c
index 05745eb..2fb804e 100644
--- a/debugfs/htree.c
+++ b/debugfs/htree.c
@@ -120,8 +120,9 @@ static void htree_dump_int_node(ext2_filsys fs, ext2_ino_t ino,
{
struct ext2_dx_countlimit limit;
struct ext2_dx_entry e;
+ struct ext2_dx_tail *tail;
int hash, i;
-
+ int remainder;
limit = *((struct ext2_dx_countlimit *) ent);
limit.count = ext2fs_le16_to_cpu(limit.count);
@@ -130,6 +131,20 @@ static void htree_dump_int_node(ext2_filsys fs, ext2_ino_t ino,
fprintf(pager, "Number of entries (count): %d\n", limit.count);
fprintf(pager, "Number of entries (limit): %d\n", limit.limit);
+ remainder = fs->blocksize - (limit.limit *
+ sizeof(struct ext2_dx_entry));
+ if (ent == (struct ext2_dx_entry *)(rootnode + 1))
+ remainder -= sizeof(struct ext2_dx_root_info) + 24;
+ else
+ remainder -= 8;
+ if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) &&
+ remainder == sizeof(struct ext2_dx_tail)) {
+ tail = (struct ext2_dx_tail *)(ent + limit.limit);
+ fprintf(pager, "Checksum: 0x%08x\n",
+ ext2fs_le32_to_cpu(tail->dt_checksum));
+ }
+
for (i=0; i < limit.count; i++) {
hash = i ? ext2fs_le32_to_cpu(ent[i].hash) : 0;
fprintf(pager, "Entry #%d: Hash 0x%08x%s, block %u\n", i,
--
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