diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 6279cff..5b52243 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -2257,6 +2257,7 @@
 {
 	struct pnfs_layoutdriver_type *ld = NFS_SERVER(inode)->pnfs_curr_ld;
 	struct nfs_server *server = NFS_SERVER(inode);
+	struct nfs_inode *nfsi = NFS_I(inode);
 	struct nfs42_layoutstat_data *data;
 	struct pnfs_layout_hdr *hdr;
 	int status = 0;
@@ -2264,6 +2265,9 @@
 	if (!pnfs_enabled_sb(server) || !ld->prepare_layoutstats)
 		goto out;
 
+	if (test_and_set_bit(NFS_INO_LAYOUTSTATS, &nfsi->flags))
+		goto out;
+
 	spin_lock(&inode->i_lock);
 	if (!NFS_I(inode)->layout) {
 		spin_unlock(&inode->i_lock);
@@ -2296,6 +2300,9 @@
 	kfree(data);
 out_put:
 	pnfs_put_layout_hdr(hdr);
+	smp_mb__before_atomic();
+	clear_bit(NFS_INO_LAYOUTSTATS, &nfsi->flags);
+	smp_mb__after_atomic();
 	goto out;
 }
 EXPORT_SYMBOL_GPL(pnfs_report_layoutstat);