diff --git a/fs/exofs/BUGS b/fs/exofs/BUGS
new file mode 100644
index 0000000..1b2d4c6
--- /dev/null
+++ b/fs/exofs/BUGS
@@ -0,0 +1,3 @@
+- Out-of-space may cause a severe problem if the object (and directory entry)
+  were written, but the inode attributes failed. Then if the filesystem was
+  unmounted and mounted the kernel can get into an endless loop doing a readdir.