X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Ftests%2Fsanityn.sh;h=7ecfa9de7adf05caf0a154be8e808964471b5d63;hb=5700f5bc3c5bb0e65ca84f34c7b642066d8489e2;hp=35d9d3c834d4833dd040d89934203240e20b9bb6;hpb=e4cf956f93a4384d19ea73e601a6651710703492;p=fs%2Flustre-release.git

diff --git a/lustre/tests/sanityn.sh b/lustre/tests/sanityn.sh
index 35d9d3c..7ecfa9d 100644
--- a/lustre/tests/sanityn.sh
+++ b/lustre/tests/sanityn.sh
@@ -26,7 +26,6 @@ SETSTRIPE=${SETSTRIPE:-lstripe}
 MCREATE=${MCREATE:-mcreate}
 OPENFILE=${OPENFILE:-openfile}
 OPENUNLINK=${OPENUNLINK:-openunlink}
-TRUNCATE=${TRUNCATE:-truncate}
 export TMP=${TMP:-/tmp}
 MOUNT_2=${MOUNT_2:-"yes"}
 CHECK_GRANT=${CHECK_GRANT:-"yes"}
@@ -65,7 +64,7 @@ rm -rf $DIR1/[df][0-9]* $DIR1/lnk
 # $RUNAS_ID may get set incorrectly somewhere else
 [ $UID -eq 0 -a $RUNAS_ID -eq 0 ] && error "\$RUNAS_ID set to 0, but \$UID is also 0!"
 
-check_runas_id $RUNAS_ID $RUNAS_ID $RUNAS
+check_runas_id $RUNAS_ID $RUNAS_GID $RUNAS
 
 build_test_filter
 
@@ -148,7 +147,7 @@ run_test 4 "fstat validation on multiple mount points =========="
 
 test_5() {
 	mcreate $DIR1/f5
-	truncate $DIR2/f5 100
+	$TRUNCATE $DIR2/f5 100
 	$CHECKSTAT -t file -s 100 $DIR1/f5 || error
 	rm $DIR1/f5
 }
@@ -208,13 +207,13 @@ test_10b() {
 	yes "R" | head -c 4000 >$TMP/f10b-seed
 	dd if=$TMP/f10b-seed of=$DIR1/f10b bs=3k count=1 || error "dd $DIR1"
 
-	truncate $DIR1/f10b 4096 || error "truncate 4096"
+	$TRUNCATE $DIR1/f10b 4096 || error "truncate 4096"
 
 	dd if=$DIR2/f10b of=$TMP/f10b-lustre bs=4k count=1 || error "dd $DIR2"
 
 	# create a test file locally to compare
 	dd if=$TMP/f10b-seed of=$TMP/f10b bs=3k count=1 || error "dd random"
-	truncate $TMP/f10b 4096 || error "truncate 4096"
+	$TRUNCATE $TMP/f10b 4096 || error "truncate 4096"
 	cmp $TMP/f10b $TMP/f10b-lustre || error "file miscompare"
 	rm $TMP/f10b $TMP/f10b-lustre $TMP/f10b-seed
 }
@@ -284,7 +283,7 @@ test_14b() { # bug 3192, 7040
 	cp -p `which multiop` $DIR1/d14/multiop || error "cp failed"
         MULTIOP_PROG=$DIR1/d14/multiop multiop_bg_pause $TMP/test14.junk O_c || return 1
         MULTIOP_PID=$!
-        truncate $DIR2/d14/multiop 0 && kill -9 $MULTIOP_PID && \
+        $TRUNCATE $DIR2/d14/multiop 0 && kill -9 $MULTIOP_PID && \
 		error "expected truncate error, got success"
         kill -USR1 $MULTIOP_PID || return 2
         wait $MULTIOP_PID || return 3
@@ -439,7 +438,7 @@ test_23() { # Bug 5972
 }
 run_test 23 " others should see updated atime while another read===="
 
-test_24() {
+test_24a() {
 	touch $DIR1/$tfile
 	lfs df || error "lfs df failed"
 	lfs df -ih || error "lfs df -ih failed"
@@ -455,7 +454,14 @@ test_24() {
 	lctl --device %$OSC recover
 	lfs df || error "lfs df with reactivated OSC failed"
 }
-run_test 24 "lfs df [-ih] [path] test ========================="
+run_test 24a "lfs df [-ih] [path] test ========================="
+
+test_24b() {
+	touch $DIR1/$tfile
+	fsnum=`lfs df | grep -c "filesystem summary:"`
+	[ $fsnum -eq 2 ] || error "lfs df shows $fsnum != 2 filesystems."
+}
+run_test 24b "lfs df should show both filesystems ==============="
 
 test_25() {
 	[ `lctl get_param -n mdc.*-mdc-*.connect_flags | grep -c acl` -lt 2 ] && \
@@ -466,13 +472,13 @@ test_25() {
 	chmod 0755 $DIR1/$tdir/f1 || error "chmod 0755 $DIR1/$tdir/f1"
 
 	$RUNAS $CHECKSTAT $DIR2/$tdir/f1 || error "checkstat $DIR2/$tdir/f1 #1"
-	setfacl -m u:$RUNAS_ID:--- $DIR1/$tdir || error "setfacl $DIR2/$tdir #1"
+	setfacl -m u:$RUNAS_ID:--- -m g:$RUNAS_GID:--- $DIR1/$tdir || error "setfacl $DIR2/$tdir #1"
 	$RUNAS $CHECKSTAT $DIR2/$tdir/f1 && error "checkstat $DIR2/$tdir/f1 #2"
-	setfacl -m u:$RUNAS_ID:r-x $DIR1/$tdir || error "setfacl $DIR2/$tdir #2"
+	setfacl -m u:$RUNAS_ID:r-x -m g:$RUNAS_GID:r-x $DIR1/$tdir || error "setfacl $DIR2/$tdir #2"
 	$RUNAS $CHECKSTAT $DIR2/$tdir/f1 || error "checkstat $DIR2/$tdir/f1 #3"
-	setfacl -m u:$RUNAS_ID:--- $DIR1/$tdir || error "setfacl $DIR2/$tdir #3"
+	setfacl -m u:$RUNAS_ID:--- -m g:$RUNAS_GID:--- $DIR1/$tdir || error "setfacl $DIR2/$tdir #3"
 	$RUNAS $CHECKSTAT $DIR2/$tdir/f1 && error "checkstat $DIR2/$tdir/f1 #4"
-	setfacl -x u:$RUNAS_ID: $DIR1/$tdir || error "setfacl $DIR2/$tdir #4"
+	setfacl -x u:$RUNAS_ID: -x g:$RUNAS_GID: $DIR1/$tdir || error "setfacl $DIR2/$tdir #4"
 	$RUNAS $CHECKSTAT $DIR2/$tdir/f1 || error "checkstat $DIR2/$tdir/f1 #5"
 
 	rm -rf $DIR1/$tdir
@@ -766,13 +772,22 @@ run_test 33a "commit on sharing, cross crete/delete, 2 clients, benchmark"
 
 # End commit on sharing tests
 
+get_ost_lock_timeouts() {
+    local nodes=${1:-$(comma_list $(osts_nodes))}
+
+    local locks=$(do_nodes $nodes \
+        "lctl get_param -n ldlm.namespaces.filter-*.lock_timeouts" | calc_sum)
+
+    echo $locks
+}
+
 test_34() { #16129
         local OPER
         local lock_in
         local lock_out
         for OPER in notimeout timeout ; do
                 rm $DIR1/$tfile 2>/dev/null
-                lock_in=$(do_nodes $(osts_nodes) "lctl get_param -n ldlm.namespaces.filter-*.lock_timeouts" | calc_sum)
+                lock_in=$(get_ost_lock_timeouts)
                 if [ $OPER == "timeout" ] ; then
                         for j in `seq $OSTCOUNT`; do
                                 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT    0x511
@@ -793,7 +808,7 @@ test_34() { #16129
                 dd of=/dev/null if=$DIR2/$tfile > /dev/null 2>&1
                 # wait for a lock timeout
                 sleep 4
-                lock_out=$(do_nodes $(osts_nodes) "lctl get_param -n ldlm.namespaces.filter-*.lock_timeouts" | calc_sum)
+                lock_out=$(get_ost_lock_timeouts)
                 if [ $OPER == "timeout" ] ; then
                         if [ $lock_in == $lock_out ]; then
                                 error "no lock timeout happened"
@@ -918,6 +933,943 @@ test_37() { # bug 18695
 }
 run_test 37 "check i_size is not updated for directory on close (bug 18695) =============="
 
+# this should be set to past
+TEST_39_MTIME=`date -d "1 year ago" +%s`
+
+# bug 11063
+test_39a() {
+	local client1=${CLIENT1:-`hostname`}
+	local client2=${CLIENT2:-`hostname`}
+
+	do_node $client1 "touch $DIR1/$tfile"
+
+	do_node $client1 "touch -m -d @$TEST_39_MTIME $DIR1/$tfile"
+	local mtime1=`do_node $client2 "stat -c %Y $DIR1/$tfile"`
+	[ "$mtime1" = $TEST_39_MTIME ] || \
+		error "mtime is not set to past: $mtime1, should be $TEST_39_MTIME"
+
+	local d1=`do_node $client1 date +%s`
+	do_node $client1 'echo hello >> '$DIR1/$tfile
+	local d2=`do_node $client1 date +%s`
+
+	local mtime2=`do_node $client2 "stat -c %Y $DIR1/$tfile"`
+	[ "$mtime2" -ge "$d1" ] && [ "$mtime2" -le "$d2" ] || \
+		error "mtime is not updated on write: $d1 <= $mtime2 <= $d2"
+
+	do_node $client1 "mv $DIR1/$tfile $DIR1/$tfile-1"
+
+	for (( i=0; i < 2; i++ )) ; do
+		local mtime3=`do_node $client2 "stat -c %Y $DIR1/$tfile-1"`
+		[ "$mtime2" = "$mtime3" ] || \
+			error "mtime ($mtime2) changed (to $mtime3) on rename"
+
+		cancel_lru_locks osc
+		if [ $i = 0 ] ; then echo "repeat after cancel_lru_locks"; fi
+	done
+}
+run_test 39a "test from 11063 =================================="
+
+test_39b() {
+	local client1=${CLIENT1:-`hostname`}
+	local client2=${CLIENT2:-`hostname`}
+
+	touch $DIR1/$tfile
+
+	local mtime1=`stat -c %Y $DIR1/$tfile`
+	local mtime2=`do_node $client2 "stat -c %Y $DIR1/$tfile"`
+
+	sleep 1
+	touch -m -d @$TEST_39_MTIME $DIR1/$tfile
+
+	for (( i=0; i < 2; i++ )) ; do
+		local mtime3=`stat -c %Y $DIR1/$tfile`
+		local mtime4=`do_node $client2 "stat -c %Y $DIR1/$tfile"`
+
+		[ "$mtime3" = "$mtime4" ] || \
+			error "different mtime on clients: $mtime3, $mtime4"
+		[ "$mtime3" = $TEST_39_MTIME ] || \
+			error "lost mtime: $mtime3, should be $TEST_39_MTIME"
+
+		cancel_lru_locks osc
+		if [ $i = 0 ] ; then echo "repeat after cancel_lru_locks"; fi
+	done
+}
+run_test 39b "11063 problem 1 =================================="
+
+test_39c() {
+	local client1=${CLIENT1:-`hostname`}
+	local client2=${CLIENT2:-`hostname`}
+
+	echo hello > $DIR1/$tfile
+
+	local mtime1=`stat -c %Y $DIR1/$tfile`
+	local mtime2=`do_node $client2 "stat -c %Y $DIR1/$tfile"`
+	[ "$mtime1" = "$mtime2" ] || \
+		error "create: different mtime on clients: $mtime1, $mtime2"
+
+	sleep 1
+	$TRUNCATE $DIR1/$tfile 1
+
+	for (( i=0; i < 2; i++ )) ; do
+		local mtime3=`stat -c %Y $DIR1/$tfile`
+		local mtime4=`do_node $client2 "stat -c %Y $DIR1/$tfile"`
+
+		[ "$mtime3" = "$mtime4" ] || \
+			error "different mtime on clients: $mtime3, $mtime4"
+		[ "$mtime3" -gt $mtime2 ] || \
+			error "truncate did not update mtime: $mtime2, $mtime3"
+
+		cancel_lru_locks osc
+		if [ $i = 0 ] ; then echo "repeat after cancel_lru_locks"; fi
+	done
+}
+run_test 39c "check truncate mtime update ======================"
+
+# check that pid exists hence second operation wasn't blocked by first one
+# if it is so then there is no conflict, return 0
+# else second operation is conflicting with first one, return 1
+check_pdo_conflict() {
+	local pid=$1
+	local conflict=0
+	if [[ `ps --pid $pid | wc -l` == 1 ]]; then
+		conflict=1
+		echo "Conflict"
+	else
+		echo "No conflict"
+	fi
+	return $conflict
+}
+
+# pdirop tests
+# test 40: check non-blocking operations
+test_40a() {
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	mkdir $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	touch $DIR2/$tfile-2
+	check_pdo_conflict $PID1 || error "create is blocked"
+	mkdir $DIR2/$tfile-3
+	check_pdo_conflict $PID1 || error "mkdir is blocked"
+	link $DIR2/$tfile-2 $DIR2/$tfile-4
+	check_pdo_conflict $PID1 || error "link is blocked"
+	mv $DIR2/$tfile-2 $DIR2/$tfile-5
+	check_pdo_conflict $PID1 || error "rename is blocked"
+	stat $DIR2/$tfile-3 $DIR2/$tfile-4 > /dev/null
+	check_pdo_conflict $PID1 || error "getattr is blocked"
+	rm $DIR2/$tfile-4 $DIR2/$tfile-5
+	rmdir $DIR2/$tfile-3
+	check_pdo_conflict $PID1 || error "unlink is blocked"
+	# all operations above shouldn't wait the first one
+	check_pdo_conflict $PID1 || error "parallel operation is blocked"
+	wait $PID1
+	rm -r $DIR1/*
+	return 0
+}
+run_test 40a "pdirops: create vs others =============="
+
+test_40b() {
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	touch $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	# open|create
+	touch $DIR2/$tfile-2
+	check_pdo_conflict $PID1 || error "create is blocked"
+	mkdir $DIR2/$tfile-3
+	check_pdo_conflict $PID1 || error "mkdir is blocked"
+	link $DIR2/$tfile-2 $DIR2/$tfile-4
+	check_pdo_conflict $PID1 || error "link is blocked"
+	mv $DIR2/$tfile-2 $DIR2/$tfile-5
+	check_pdo_conflict $PID1 || error "rename is blocked"
+	stat $DIR2/$tfile-3 $DIR2/$tfile-4 > /dev/null
+	check_pdo_conflict $PID1 || error "getattr is blocked"
+	rm $DIR2/$tfile-4 $DIR2/$tfile-5
+	rmdir $DIR2/$tfile-3
+	check_pdo_conflict $PID1 || error "unlink is blocked"
+	# all operations above shouldn't wait the first one
+	check_pdo_conflict $PID1 || error "parallel operation is blocked"
+	wait $PID1
+	rm -r $DIR1/*
+	return 0
+}
+run_test 40b "pdirops: open|create and others =============="
+
+test_40c() {
+	touch $DIR1/$tfile
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	link $DIR1/$tfile $DIR1/$tfile-0 &
+	PID1=$!
+	sleep 1
+	# open|create
+	touch $DIR2/$tfile-2
+	check_pdo_conflict $PID1 || error "create is blocked"
+	mkdir $DIR2/$tfile-3
+	check_pdo_conflict $PID1 || error "mkdir is blocked"
+	link $DIR2/$tfile-2 $DIR2/$tfile-4
+	check_pdo_conflict $PID1 || error "link is blocked"
+	mv $DIR2/$tfile-2 $DIR2/$tfile-5
+	check_pdo_conflict $PID1 || error "rename is blocked"
+	stat $DIR2/$tfile-3 $DIR2/$tfile-4 > /dev/null
+	check_pdo_conflict $PID1 || error "getattr is blocked"
+	rm $DIR2/$tfile-4 $DIR2/$tfile-5
+	rmdir $DIR2/$tfile-3
+	check_pdo_conflict $PID1 || error "unlink is blocked"
+	# all operations above shouldn't wait the first one
+	check_pdo_conflict $PID1 || error "parallel operation is blocked"
+	wait $PID1
+	rm -r $DIR1/*
+	return 0
+}
+run_test 40c "pdirops: link and others =============="
+
+test_40d() {
+	touch $DIR1/$tfile
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	rm $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	# open|create
+	touch $DIR2/$tfile-2
+	check_pdo_conflict $PID1 || error "create is blocked"
+	mkdir $DIR2/$tfile-3
+	check_pdo_conflict $PID1 || error "mkdir is blocked"
+	link $DIR2/$tfile-2 $DIR2/$tfile-4
+	check_pdo_conflict $PID1 || error "link is blocked"
+	mv $DIR2/$tfile-2 $DIR2/$tfile-5
+	check_pdo_conflict $PID1 || error "rename is blocked"
+	stat $DIR2/$tfile-3 $DIR2/$tfile-4 > /dev/null
+	check_pdo_conflict $PID1 || error "getattr is blocked"
+	rm $DIR2/$tfile-4 $DIR2/$tfile-5
+	rmdir $DIR2/$tfile-3
+	check_pdo_conflict $PID1 || error "unlink is blocked"
+	# all operations above shouldn't wait the first one
+	check_pdo_conflict $PID1 || error "parallel operation is blocked"
+	wait $PID1
+	return 0
+}
+run_test 40d "pdirops: unlink and others =============="
+
+test_40e() {
+	touch $DIR1/$tfile
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	mv $DIR1/$tfile $DIR1/$tfile-0 &
+	PID1=$!
+	sleep 1
+	# open|create
+	touch $DIR2/$tfile-2
+	check_pdo_conflict $PID1 || error "create is blocked"
+	mkdir $DIR2/$tfile-3
+	check_pdo_conflict $PID1 || error "mkdir is blocked"
+	link $DIR2/$tfile-2 $DIR2/$tfile-4
+	check_pdo_conflict $PID1 || error "link is blocked"
+	stat $DIR2/$tfile-3 $DIR2/$tfile-4 > /dev/null
+	check_pdo_conflict $PID1 || error "getattr is blocked"
+	rm $DIR2/$tfile-4 $DIR2/$tfile-2
+	rmdir $DIR2/$tfile-3
+	check_pdo_conflict $PID1 || error "unlink is blocked"
+	# all operations above shouldn't wait the first one
+	check_pdo_conflict $PID1 || error "parallel operation is blocked"
+	wait $PID1
+	rm -r $DIR1/*
+	return 0
+}
+run_test 40e "pdirops: rename and others =============="
+
+# test 41: create blocking operations
+test_41a() {
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	multiop $DIR1/$tfile oO_CREAT:O_RDWR:c &
+	PID1=$!
+	sleep 1
+	mkdir $DIR2/$tfile && error "mkdir must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; echo "mkdir isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 41a "pdirops: create vs mkdir =============="
+
+test_41b() {
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	multiop $DIR1/$tfile oO_CREAT:O_RDWR:c &
+	PID1=$!
+	sleep 1
+	multiop $DIR2/$tfile oO_CREAT:O_EXCL:c && error "create must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; error "create isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 41b "pdirops: create vs create =============="
+
+test_41c() {
+	touch $DIR1/$tfile-2
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	multiop $DIR1/$tfile oO_CREAT:O_RDWR:c &
+	PID1=$!
+	sleep 1
+	link $DIR2/$tfile-2 $DIR2/$tfile && error "link must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; error "link isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 41c "pdirops: create vs link =============="
+
+test_41d() {
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	multiop $DIR1/$tfile oO_CREAT:O_RDWR:c &
+	PID1=$!
+	sleep 1
+	rm $DIR2/$tfile || error "unlink must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "unlink isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 41d "pdirops: create vs unlink =============="
+
+test_41e() {
+	touch $DIR1/$tfile-2
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	multiop $DIR1/$tfile oO_CREAT:O_RDWR:c &
+	PID1=$!
+	sleep 1
+	mv $DIR2/$tfile-2 $DIR2/$tfile || error "rename must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "rename isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 41e "pdirops: create and rename (tgt) =============="
+
+test_41f() {
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	multiop $DIR1/$tfile oO_CREAT:O_RDWR:c &
+	PID1=$!
+	sleep 1
+	mv $DIR2/$tfile $DIR2/$tfile-2 || error "rename must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "rename isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 41f "pdirops: create and rename (src) =============="
+
+test_41g() {
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	multiop $DIR1/$tfile oO_CREAT:O_RDWR:c &
+	PID1=$!
+	sleep 1
+	stat $DIR2/$tfile > /dev/null || error "stat must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "getattr isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 41g "pdirops: create vs getattr =============="
+
+test_41h() {
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	multiop $DIR1/$tfile oO_CREAT:O_RDWR:c &
+	PID1=$!
+	sleep 1
+	ls -lia $DIR2/ > /dev/null
+	check_pdo_conflict $PID1 && { wait $PID1; error "readdir isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 41h "pdirops: create vs readdir =============="
+
+# test 42: unlink and blocking operations
+test_42a() {
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	mkdir $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	mkdir $DIR2/$tfile && error "mkdir must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; error "mkdir isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 42a "pdirops: mkdir vs mkdir =============="
+
+test_42b() {
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	mkdir $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	multiop $DIR2/$tfile oO_CREAT:O_EXCL:c && error "create must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; error "create isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 42b "pdirops: mkdir vs create =============="
+
+test_42c() {
+	touch $DIR1/$tfile-2
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	mkdir $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	link $DIR2/$tfile-2 $DIR2/$tfile && error "link must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; error "link isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 42c "pdirops: mkdir vs link =============="
+
+test_42d() {
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	mkdir $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	rmdir $DIR2/$tfile || error "unlink must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "unlink isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 42d "pdirops: mkdir vs unlink =============="
+
+test_42e() {
+	touch $DIR1/$tfile-2
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	mkdir $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	mv -T $DIR2/$tfile-2 $DIR2/$tfile && error "rename must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; error "rename isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 42e "pdirops: mkdir and rename (tgt) =============="
+
+test_42f() {
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	mkdir $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	mv $DIR2/$tfile $DIR2/$tfile-2 || error "rename must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "rename isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 42f "pdirops: mkdir and rename (src) =============="
+
+test_42g() {
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	mkdir $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	stat $DIR2/$tfile > /dev/null || error "stat must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "getattr isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 42g "pdirops: mkdir vs getattr =============="
+
+test_42h() {
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	mkdir $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	ls -lia $DIR2/ > /dev/null
+	check_pdo_conflict $PID1 && { wait $PID1; error "readdir isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 42h "pdirops: mkdir vs readdir =============="
+
+# test 43: unlink and blocking operations
+test_43a() {
+	touch $DIR1/$tfile
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	rm $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	mkdir $DIR2/$tfile || error "mkdir must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "mkdir isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 43a "pdirops: unlink vs mkdir =============="
+
+test_43b() {
+	touch $DIR1/$tfile
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	rm $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	multiop $DIR2/$tfile oO_CREAT:O_EXCL:c || error "create must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "create isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 43b "pdirops: unlink vs create =============="
+
+test_43c() {
+	touch $DIR1/$tfile
+	touch $DIR1/$tfile-2
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	rm $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	link $DIR2/$tfile-2 $DIR2/$tfile || error "link must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "link isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 43c "pdirops: unlink vs link =============="
+
+test_43d() {
+	touch $DIR1/$tfile
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	rm $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	rm $DIR2/$tfile && error "unlink must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; error "unlink isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 43d "pdirops: unlink vs unlink =============="
+
+test_43e() {
+	touch $DIR1/$tfile
+	touch $DIR1/$tfile-2
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	rm $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	mv -u $DIR2/$tfile-2 $DIR2/$tfile || error "rename must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "rename isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 43e "pdirops: unlink and rename (tgt) =============="
+
+test_43f() {
+	touch $DIR1/$tfile
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	rm $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	mv $DIR2/$tfile $DIR2/$tfile-2 && error "rename must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; error "rename isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 43f "pdirops: unlink and rename (src) =============="
+
+test_43g() {
+	touch $DIR1/$tfile
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	rm $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	stat $DIR2/$tfile > /dev/null && error "stat must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; error "getattr isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 43g "pdirops: unlink vs getattr =============="
+
+test_43h() {
+	touch $DIR1/$tfile
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	rm $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	ls -lia $DIR2/ > /dev/null
+	check_pdo_conflict $PID1 && { wait $PID1; error "readdir isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 43h "pdirops: unlink vs readdir =============="
+
+# test 44: rename tgt and blocking operations
+test_44a() {
+	touch $DIR1/$tfile-2
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK2   0x146
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000146
+	mv $DIR1/$tfile-2 $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	mkdir $DIR2/$tfile && error "mkdir must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; error "mkdir isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 44a "pdirops: rename tgt vs mkdir =============="
+
+test_44b() {
+	touch $DIR1/$tfile-2
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK2    0x146
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000146
+	mv $DIR1/$tfile-2 $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	multiop $DIR2/$tfile oO_CREAT:O_EXCL:c && error "create must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; error "create isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 44b "pdirops: rename tgt vs create =============="
+
+test_44c() {
+	touch $DIR1/$tfile-2
+	touch $DIR1/$tfile-3
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK2    0x146
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000146
+	mv $DIR1/$tfile-2 $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	link $DIR2/$tfile-3 $DIR2/$tfile && error "link must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; error "link isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 44c "pdirops: rename tgt vs link =============="
+
+test_44d() {
+	touch $DIR1/$tfile-2
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK2    0x146
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000146
+	mv $DIR1/$tfile-2 $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	rm $DIR2/$tfile || error "unlink must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "unlink isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 44d "pdirops: rename tgt vs unlink =============="
+
+test_44e() {
+	touch $DIR1/$tfile
+	touch $DIR1/$tfile-2
+	touch $DIR1/$tfile-3
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK2    0x146
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000146
+	mv $DIR1/$tfile-2 $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	mv $DIR2/$tfile-3 $DIR2/$tfile || error "rename must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "rename isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 44e "pdirops: rename tgt and rename (tgt) =============="
+
+test_44f() {
+	touch $DIR1/$tfile-2
+	touch $DIR1/$tfile-3
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK2    0x146
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000146
+	mv $DIR1/$tfile-2 $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	mv $DIR2/$tfile $DIR2/$tfile-3 || error "rename must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "rename isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 44f "pdirops: rename tgt and rename (src) =============="
+
+test_44g() {
+	touch $DIR1/$tfile-2
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK2    0x146
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000146
+	mv $DIR1/$tfile-2 $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	stat $DIR2/$tfile > /dev/null || error "stat must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "getattr isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 44g "pdirops: rename tgt vs getattr =============="
+
+test_44h() {
+	touch $DIR1/$tfile-2
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK2    0x146
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000146
+	mv $DIR1/$tfile-2 $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	ls -lia $DIR2/ > /dev/null
+	check_pdo_conflict $PID1 && { wait $PID1; error "readdir isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 44h "pdirops: rename tgt vs readdir =============="
+
+# test 45: rename src and blocking operations
+test_45a() {
+	touch $DIR1/$tfile
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	mv $DIR1/$tfile $DIR1/$tfile-2 &
+	PID1=$!
+	sleep 1
+	mkdir $DIR2/$tfile || error "mkdir must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "mkdir isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 45a "pdirops: rename src vs mkdir =============="
+
+test_45b() {
+	touch $DIR1/$tfile
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	mv $DIR1/$tfile $DIR1/$tfile-2 &
+	PID1=$!
+	sleep 1
+	multiop $DIR2/$tfile oO_CREAT:O_EXCL:c || error "create must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "create isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 45b "pdirops: rename src vs create =============="
+
+test_45c() {
+	touch $DIR1/$tfile
+	touch $DIR1/$tfile-3
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	mv $DIR1/$tfile $DIR1/$tfile-2 &
+	PID1=$!
+	sleep 1
+	link $DIR2/$tfile-3 $DIR2/$tfile || error "link must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "link isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 45c "pdirops: rename src vs link =============="
+
+test_45d() {
+	touch $DIR1/$tfile
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	mv $DIR1/$tfile $DIR1/$tfile-2 &
+	PID1=$!
+	sleep 1
+	rm $DIR2/$tfile && error "unlink must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; error "unlink isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 45d "pdirops: rename src vs unlink =============="
+
+test_45e() {
+	touch $DIR1/$tfile
+	touch $DIR1/$tfile-3
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	mv $DIR1/$tfile $DIR1/$tfile-2 &
+	PID1=$!
+	sleep 1
+	mv $DIR2/$tfile-3 $DIR2/$tfile || error "rename must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "rename isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 45e "pdirops: rename src and rename (tgt) =============="
+
+test_45f() {
+	touch $DIR1/$tfile
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	mv $DIR1/$tfile $DIR1/$tfile-2 &
+	PID1=$!
+	sleep 1
+	mv $DIR2/$tfile $DIR2/$tfile-3 && error "rename must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; error "rename isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 45f "pdirops: rename src and rename (src) =============="
+
+test_45g() {
+	touch $DIR1/$tfile
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	mv $DIR1/$tfile $DIR1/$tfile-2 &
+	PID1=$!
+	sleep 1
+	stat $DIR2/$tfile > /dev/null && "stat must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; error "getattr isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 45g "pdirops: rename src vs getattr =============="
+
+test_45h() {
+	touch $DIR1/$tfile
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	mv $DIR1/$tfile $DIR1/$tfile-2 &
+	PID1=$!
+	sleep 1
+	ls -lia $DIR2/ > /dev/null
+	check_pdo_conflict $PID1 && { wait $PID1; error "readdir isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 45h "pdirops: unlink vs readdir =============="
+
+# test 46: link and blocking operations
+test_46a() {
+	touch $DIR1/$tfile-2
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	link $DIR1/$tfile-2 $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	mkdir $DIR2/$tfile && error "mkdir must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; error "mkdir isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 46a "pdirops: link vs mkdir =============="
+
+test_46b() {
+	touch $DIR1/$tfile-2
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	link $DIR1/$tfile-2 $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	multiop $DIR2/$tfile oO_CREAT:O_EXCL:c && error "create must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; error "create isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 46b "pdirops: link vs create =============="
+
+test_46c() {
+	touch $DIR1/$tfile-2
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	link $DIR1/$tfile-2 $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	link $DIR2/$tfile $DIR2/$tfile && error "link must fail"
+	check_pdo_conflict $PID1 && { wait $PID1; error "link isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 46c "pdirops: link vs link =============="
+
+test_46d() {
+	touch $DIR1/$tfile-2
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	link $DIR1/$tfile-2 $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	rm $DIR2/$tfile || error "unlink must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "unlink isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 46d "pdirops: link vs unlink =============="
+
+test_46e() {
+	touch $DIR1/$tfile-2
+	touch $DIR1/$tfile-3
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	link $DIR1/$tfile-2 $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	mv $DIR2/$tfile-3 $DIR2/$tfile || error "rename must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "rename isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 46e "pdirops: link and rename (tgt) =============="
+
+test_46f() {
+	touch $DIR1/$tfile-2
+	touch $DIR1/$tfile-3
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	link $DIR1/$tfile-2 $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	mv $DIR2/$tfile $DIR2/$tfile-3 || error "rename must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "rename isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 46f "pdirops: link and rename (src) =============="
+
+test_46g() {
+	touch $DIR1/$tfile-2
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	link $DIR1/$tfile-2 $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	stat $DIR2/$tfile > /dev/null || error "stat must succeed"
+	check_pdo_conflict $PID1 && { wait $PID1; error "getattr isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 46g "pdirops: link vs getattr =============="
+
+test_46h() {
+	touch $DIR1/$tfile-2
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_PDO_LOCK    0x145
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000145
+	link $DIR1/$tfile-2 $DIR1/$tfile &
+	PID1=$!
+	sleep 1
+	ls -lia $DIR2/ > /dev/null
+	check_pdo_conflict $PID1 && { wait $PID1; error "readdir isn't blocked"; }
+	rm -r $DIR1/*
+	return 0
+}
+run_test 46h "pdirops: link vs readdir =============="
+
+test_50() {
+        trunc_size=4096
+        dd if=/dev/zero of=$DIR1/$tfile bs=1K count=10
+#define OBD_FAIL_OSC_CP_ENQ_RACE         0x410
+        do_facet client "lctl set_param fail_loc=0x410"
+        $TRUNCATE $DIR2/$tfile $trunc_size
+        do_facet client "lctl set_param fail_loc=0x0"
+        sleep 3
+        size=`stat -c %s $DIR2/$tfile`
+        [ $size -eq $trunc_size ] || error "wrong size"
+}
+run_test 50 "osc lvb attrs: enqueue vs. CP AST =============="
+
 log "cleanup: ======================================================"
 
 [ "$(mount | grep $MOUNT2)" ] && umount $MOUNT2