test: add test for invalid lookup of mdsdir

Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
(cherry picked from commit 4778308eb9149594cb31519a5ff77413d6ec1fab)

diff --git a/src/test/libcephfs/test.cc b/src/test/libcephfs/test.cc
index 259c1b0a5addda2afa9a5fcba314b56d28c2c31d..cf673de1245a7dac63dbe8fe0a217ebfc2fd744b 100644 (file)
--- a/src/test/libcephfs/test.cc
+++ b/src/test/libcephfs/test.cc
@@ -2561,6 +2561,22 @@ TEST(LibCephFS, SnapInfo) {
   ceph_shutdown(cmount);
 }
 
+TEST(LibCephFS, LookupInoMDSDir) {
+  struct ceph_mount_info *cmount;
+  ASSERT_EQ(ceph_create(&cmount, NULL), 0);
+  ASSERT_EQ(ceph_conf_read_file(cmount, NULL), 0);
+  ASSERT_EQ(0, ceph_conf_parse_env(cmount, NULL));
+  ASSERT_EQ(ceph_mount(cmount, NULL), 0);
+
+  Inode *inode;
+  auto ino = inodeno_t(0x100); /* rank 0 ~mdsdir */
+  ASSERT_EQ(-ESTALE, ceph_ll_lookup_inode(cmount, ino, &inode));
+  ino = inodeno_t(0x600); /* rank 0 first stray dir */
+  ASSERT_EQ(-ESTALE, ceph_ll_lookup_inode(cmount, ino, &inode));
+
+  ceph_shutdown(cmount);
+}
+
 TEST(LibCephFS, LookupVino) {
   struct ceph_mount_info *cmount;
   ASSERT_EQ(ceph_create(&cmount, NULL), 0);