LU-11670 osc: glimpse - search for active lock

[fs/lustre-release.git] / lustre / tests / sanityn.sh

diff --git a/lustre/tests/sanityn.sh b/lustre/tests/sanityn.sh
index 3ab4d04..7d40075 100755 (executable)
--- a/lustre/tests/sanityn.sh
+++ b/lustre/tests/sanityn.sh
@@ -4742,6 +4742,57 @@ test_102() {
 }
 run_test 102 "Test open by handle of unlinked file"
 
+# Compare file size between first & second mount, ensuring the client correctly
+# glimpses even with unused speculative locks - LU-11670
+test_103() {
+       [ $(lustre_version_code $ost1) -lt $(version_code 2.10.50) ] &&
+               skip "Lockahead needs OST version at least 2.10.50"
+
+       local testnum=23
+
+       test_mkdir -p $DIR/$tdir
+
+       # Force file on to OST0
+       $LFS setstripe -i 0 $DIR/$tdir
+
+       # Do not check multiple locks on glimpse
+       # OBD_FAIL_OSC_NO_SIZE_DATA 0x415
+       $LCTL set_param fail_loc=0x415
+
+       # Delay write commit by 2 seconds to guarantee glimpse wins race
+       # The same fail_loc is used on client & server so it can work in the
+       # single node sanity setup
+       do_facet ost1 $LCTL set_param fail_loc=0x415 fail_val=2
+
+       echo "Incorrect size expected (no glimpse fix):"
+       lockahead_test -d $DIR/$tdir -D $DIR2/$tdir -t $testnum -f $tfile
+       rc=$?
+       if [ $rc -eq 0 ]; then
+               error "Lockahead test $testnum passed with fail_loc set, ${rc}"
+       fi
+
+       # guarantee write commit timeout has expired
+       sleep 2
+
+       # Clear fail_loc on client
+       $LCTL set_param fail_loc=0
+
+       # Delay write commit by 2 seconds to guarantee glimpse wins race
+       # OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
+       do_facet ost1 $LCTL set_param fail_loc=0x214 fail_val=2
+
+       # Write commit is still delayed by 2 seconds
+       lockahead_test -d $DIR/$tdir -D $DIR2/$tdir -t $testnum -f $tfile
+       rc=$?
+       [ $rc -eq 0 ] || error "Lockahead test${testnum} failed, ${rc}"
+
+       # guarantee write commit timeout has expired
+       sleep 2
+
+       rm -f $DIR/$tfile || error "unable to delete $DIR/$tfile"
+}
+run_test 103 "Test size correctness with lockahead"
+
 log "cleanup: ======================================================"
 
 # kill and wait in each test only guarentee script finish, but command in script