LU-7173 mdt: intent vs unlink race

[fs/lustre-release.git] / lustre / tests / recovery-small.sh

diff --git a/lustre/tests/recovery-small.sh b/lustre/tests/recovery-small.sh
index 86d824f..976ecf6 100755 (executable)
--- a/lustre/tests/recovery-small.sh
+++ b/lustre/tests/recovery-small.sh
@@ -2252,6 +2252,56 @@ test_113() {
 }
 run_test 113 "ldlm enqueue dropped reply should not cause deadlocks"
 
+T130_PID=0
+test_130_base() {
+       test_mkdir -p $DIR/$tdir
+
+       # get only LOOKUP lock on $tdir
+       cancel_lru_locks mdc
+       ls $DIR/$tdir/$tfile 2>/dev/null
+
+       # get getattr by fid on $tdir
+       #
+       # we need to race with unlink, unlink must complete before we will
+       # take a DLM lock, otherwise unlink will wait until getattr will
+       # complete; but later than getattr starts so that getattr found
+       # the object
+#define OBD_FAIL_MDS_INTENT_DELAY              0x160
+       set_nodes_failloc "$(mdts_nodes)" 0x80000160
+       stat $DIR/$tdir &
+       T130_PID=$!
+       sleep 2
+
+       rm -rf $DIR/$tdir
+
+       # drop the reply so that resend happens on an unlinked file.
+#define OBD_FAIL_MDS_LDLM_REPLY_NET     0x157
+       set_nodes_failloc "$(mdts_nodes)" 0x80000157
+}
+
+test_130a() {
+       remote_mds_nodsh && skip "remote MDS with nodsh" && return
+       test_130_base
+
+       wait $T130_PID || [ $? -eq 0 ] && error "stat should fail"
+       return 0
+}
+run_test 130a "enqueue resend on not existing file"
+
+test_130b() {
+       remote_mds_nodsh && skip "remote MDS with nodsh" && return
+       test_130_base
+       # let the reply to be dropped
+       sleep 10
+
+#define OBD_FAIL_SRV_ENOENT              0x217
+       set_nodes_failloc "$(mdts_nodes)" 0x80000217
+
+       wait $T130_PID || [ $? -eq 0 ] && error "stat should fail"
+       return 0
+}
+run_test 130b "enqueue resend on a stale inode"
+
 complete $SECONDS
 check_and_cleanup_lustre
 exit_status