btrfs: tree-checker: fix the error message for transid error

The error message for inode transid is the same as for inode generation,
which makes us unable to detect the real problem.

Reported-by: Tyler Richmond <[email protected]>
Fixes: 496245c ("btrfs: tree-checker: Verify inode item")
CC: [email protected] # 5.4+
Reviewed-by: Marcos Paulo de Souza <[email protected]>
Signed-off-by: Qu Wenruo <[email protected]>
Signed-off-by: David Sterba <[email protected]>

fs/btrfs/tree-checker.c

@@ -984,7 +984,7 @@ static int check_inode_item(struct extent_buffer *leaf,
 	/* Note for ROOT_TREE_DIR_ITEM, mkfs could set its transid 0 */
 	if (btrfs_inode_transid(leaf, iitem) > super_gen + 1) {
 		inode_item_err(leaf, slot,
-			"invalid inode generation: has %llu expect [0, %llu]",
+			"invalid inode transid: has %llu expect [0, %llu]",
 			       btrfs_inode_transid(leaf, iitem), super_gen + 1);
 		return -EUCLEAN;
 	}