diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index f57f528..101c85a 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1009,7 +1009,7 @@
 pnfs_set_layoutcommit(struct nfs_write_data *wdata)
 {
 	struct nfs_inode *nfsi = NFS_I(wdata->inode);
-	loff_t end_pos = wdata->args.offset + wdata->res.count;
+	loff_t end_pos = wdata->mds_offset + wdata->res.count;
 	bool mark_as_dirty = false;
 
 	spin_lock(&nfsi->vfs_inode.i_lock);