xfs: always log corruption errors

Make sure we log something to dmesg whenever we return -EFSCORRUPTED up
the call stack.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c
index 705c4f5..72d7ed1 100644
--- a/fs/xfs/libxfs/xfs_dir2_node.c
+++ b/fs/xfs/libxfs/xfs_dir2_node.c
@@ -373,8 +373,10 @@ xfs_dir2_leaf_to_node(
 	leaf = lbp->b_addr;
 	ltp = xfs_dir2_leaf_tail_p(args->geo, leaf);
 	if (be32_to_cpu(ltp->bestcount) >
-				(uint)dp->i_d.di_size / args->geo->blksize)
+				(uint)dp->i_d.di_size / args->geo->blksize) {
+		xfs_buf_corruption_error(lbp);
 		return -EFSCORRUPTED;
+	}
 
 	/*
 	 * Copy freespace entries from the leaf block to the new block.
@@ -445,8 +447,10 @@ xfs_dir2_leafn_add(
 	 * Quick check just to make sure we are not going to index
 	 * into other peoples memory
 	 */
-	if (index < 0)
+	if (index < 0) {
+		xfs_buf_corruption_error(bp);
 		return -EFSCORRUPTED;
+	}
 
 	/*
 	 * If there are already the maximum number of leaf entries in
@@ -739,8 +743,10 @@ xfs_dir2_leafn_lookup_for_entry(
 	ents = dp->d_ops->leaf_ents_p(leaf);
 
 	xfs_dir3_leaf_check(dp, bp);
-	if (leafhdr.count <= 0)
+	if (leafhdr.count <= 0) {
+		xfs_buf_corruption_error(bp);
 		return -EFSCORRUPTED;
+	}
 
 	/*
 	 * Look up the hash value in the leaf entries.