X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Ftests%2Fsanity.sh;h=933c4169c635405a94e3d1a0303c5ff78d5bbdc7;hp=5a26c7782c87c9f341c719701c4d47eef0aa4f65;hb=f44fe5abbc74ca79790c100a30193ded1ef1e6c9;hpb=15dd813536ad06a119dfb2358f00281eed22a98b

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index 5a26c77..933c416 100755
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -13,8 +13,8 @@ ALWAYS_EXCEPT="                42a  42b  42c  42d  45   68b   $SANITY_EXCEPT"
 # UPDATE THE COMMENT ABOVE WITH BUG NUMBERS WHEN CHANGING ALWAYS_EXCEPT!
 
 # with LOD/OSP landing
-# bug number for skipped tests: LU-2036 LU-8139
-ALWAYS_EXCEPT="                 76	101g	$ALWAYS_EXCEPT"
+# bug number for skipped tests: LU-2036 LU-8139 LU-8411
+ALWAYS_EXCEPT="                 76	101g	407 $ALWAYS_EXCEPT"
 
 is_sles11()						# LU-4341
 {
@@ -264,6 +264,21 @@ test_6g() {
 	test_mkdir $DIR/$tdir/d/subdir || error "mkdir $tdir/d/subdir failed"
 	$CHECKSTAT -g \#$RUNAS_GID $DIR/$tdir/d/subdir ||
 		error "$tdir/d/subdir should be GID $RUNAS_GID"
+	if [[ $MDSCOUNT -gt 1 ]]; then
+		# check remote dir sgid inherite
+		$LFS mkdir -i 0 $DIR/$tdir.local ||
+			error "mkdir $tdir.local failed"
+		chmod g+s $DIR/$tdir.local ||
+			error "chmod $tdir.local failed"
+		chgrp $RUNAS_GID $DIR/$tdir.local ||
+			error "chgrp $tdir.local failed"
+		$LFS mkdir -i 1 $DIR/$tdir.local/$tdir.remote ||
+			error "mkdir $tdir.remote failed"
+		$CHECKSTAT -g \#$RUNAS_GID $DIR/$tdir.local/$tdir.remote ||
+			error "$tdir.remote should be owned by $UID.$RUNAS_ID"
+		$CHECKSTAT -p 02755 $DIR/$tdir.local/$tdir.remote ||
+			error "$tdir.remote should be mode 02755"
+	fi
 }
 run_test 6g "Is new dir in sgid dir inheriting group?"
 
@@ -1650,7 +1665,7 @@ test_27u() { # bug 4900
 	createmany -o $DIR/$tdir/t- 1000
 	do_nodes $list $LCTL set_param fail_loc=0
 
-	TLOG=$DIR/$tfile.getstripe
+	TLOG=$TMP/$tfile.getstripe
 	$GETSTRIPE $DIR/$tdir > $TLOG
 	OBJS=$(awk -vobj=0 '($1 == 0) { obj += 1 } END { print obj; }' $TLOG)
 	unlinkmany $DIR/$tdir/t- 1000
@@ -2411,10 +2426,10 @@ run_test 31p "remove of open striped directory"
 cleanup_test32_mount() {
 	local rc=0
 	trap 0
-	local loopdev=$(losetup -a | grep $EXT2_DEV | sed -ne 's/:.*$/p')
+	local loopdev=$(losetup -a | grep $EXT2_DEV | sed -ne 's/:.*$//p')
 	$UMOUNT $DIR/$tdir/ext2-mountpoint || rc=$?
 	losetup -d $loopdev || true
-	rm -rf $DIR/$tdir/ext2-mountpoint
+	rm -rf $DIR/$tdir
 	return $rc
 }
 
@@ -2598,59 +2613,49 @@ test_32o() {
 run_test 32o "stat d32o/symlink->tmp/symlink->lustre-root/$tfile"
 
 test_32p() {
-    log 32p_1
+	log 32p_1
 	rm -fr $DIR/d32p
-    log 32p_2
+	log 32p_2
 	rm -f $DIR/$tfile
-    log 32p_3
+	log 32p_3
 	touch $DIR/$tfile
-    log 32p_4
+	log 32p_4
 	test_mkdir -p $DIR/d32p/tmp
-    log 32p_5
+	log 32p_5
 	TMP_DIR=$DIR/d32p/tmp
-    log 32p_6
+	log 32p_6
 	ln -s $DIR/$tfile $TMP_DIR/symlink12
-    log 32p_7
+	log 32p_7
 	ln -s $TMP_DIR/symlink12 $TMP_DIR/../symlink02
-    log 32p_8
+	log 32p_8
 	cat $DIR/d32p/tmp/symlink12 || error
-    log 32p_9
+	log 32p_9
 	cat $DIR/d32p/symlink02 || error
-    log 32p_10
+	log 32p_10
 }
 run_test 32p "open d32p/symlink->tmp/symlink->lustre-root/$tfile"
 
-cleanup_testdir_mount() {
-	local rc=0
-	trap 0
-	local loopdev=$(losetup -a | grep $EXT2_DEV | sed -ne 's/:.*$/p')
-	$UMOUNT $DIR/$tdir || rc=$?
-	losetup -d $loopdev || true
-	rm -rf $DIR/$tdir
-	return $rc
-}
-
 test_32q() {
 	[ $PARALLEL == "yes" ] && skip "skip parallel run" && return
 	[ -e $DIR/$tdir ] && rm -fr $DIR/$tdir
-	trap cleanup_testdir_mount EXIT
-	test_mkdir -p $DIR/$tdir
-        touch $DIR/$tdir/under_the_mount
-	mount -t ext2 -o loop $EXT2_DEV $DIR/$tdir
-	ls $DIR/$tdir | grep "\<under_the_mount\>" && error
-	cleanup_testdir_mount
+	trap cleanup_test32_mount EXIT
+	test_mkdir -p $DIR/$tdir/ext2-mountpoint
+	touch $DIR/$tdir/ext2-mountpoint/under_the_mount
+	mount -t ext2 -o loop $EXT2_DEV $DIR/$tdir/ext2-mountpoint
+	ls $DIR/$tdir/ext2-mountpoint | grep "\<under_the_mount\>" && error
+	cleanup_test32_mount
 }
 run_test 32q "stat follows mountpoints in Lustre (should return error)"
 
 test_32r() {
 	[ $PARALLEL == "yes" ] && skip "skip parallel run" && return
 	[ -e $DIR/$tdir ] && rm -fr $DIR/$tdir
-	trap cleanup_testdir_mount EXIT
-	test_mkdir -p $DIR/$tdir
-        touch $DIR/$tdir/under_the_mount
-	mount -t ext2 -o loop $EXT2_DEV $DIR/$tdir
-	ls $DIR/$tdir | grep -q under_the_mount && error || true
-	cleanup_testdir_mount
+	trap cleanup_test32_mount EXIT
+	test_mkdir -p $DIR/$tdir/ext2-mountpoint
+	touch $DIR/$tdir/ext2-mountpoint/under_the_mount
+	mount -t ext2 -o loop $EXT2_DEV $DIR/$tdir/ext2-mountpoint
+	ls $DIR/$tdir/ext2-mountpoint | grep -q under_the_mount && error || true
+	cleanup_test32_mount
 }
 run_test 32r "opendir follows mountpoints in Lustre (should return error)"
 
@@ -2850,6 +2855,15 @@ test_33f() {
 }
 run_test 33f "nonroot user can create, access, and remove a striped directory"
 
+test_33g() {
+	mkdir -p $DIR/$tdir/dir2
+
+	local err=$($RUNAS mkdir $DIR/$tdir/dir2 2>&1)
+	echo $err
+	[[ $err =~ "exists" ]] || error "Not exists error"
+}
+run_test 33g "nonroot user create already existing root created file"
+
 TEST_34_SIZE=${TEST_34_SIZE:-2000000000000}
 test_34a() {
 	rm -f $DIR/f34
@@ -3103,7 +3117,7 @@ test_38() {
 }
 run_test 38 "open a regular file with O_DIRECTORY should return -ENOTDIR ==="
 
-test_39() {
+test_39a() { # was test_39
 	touch $DIR/$tfile
 	touch $DIR/${tfile}2
 #	ls -l  $DIR/$tfile $DIR/${tfile}2
@@ -3121,7 +3135,7 @@ test_39() {
 		error "O_TRUNC didn't change timestamps"
 	fi
 }
-run_test 39 "mtime changed on create ==========================="
+run_test 39a "mtime changed on create ==========================="
 
 test_39b() {
 	test_mkdir -p -c1 $DIR/$tdir
@@ -3783,7 +3797,7 @@ test_42e() { # bug22074
 }
 run_test 42e "verify sub-RPC writes are not done synchronously"
 
-test_43() {
+test_43A() { # was test_43
 	test_mkdir -p $DIR/$tdir
 	cp -p /bin/ls $DIR/$tdir/$tfile
 	$MULTIOP $DIR/$tdir/$tfile Ow_c &
@@ -3794,7 +3808,7 @@ test_43() {
 	$DIR/$tdir/$tfile && error || true
 	kill -USR1 $pid
 }
-run_test 43 "execution of file opened for write should return -ETXTBSY"
+run_test 43A "execution of file opened for write should return -ETXTBSY"
 
 test_43a() {
 	[ $PARALLEL == "yes" ] && skip "skip parallel run" && return
@@ -3835,12 +3849,12 @@ test_43c() {
 }
 run_test 43c "md5sum of copy into lustre========================"
 
-test_44() {
+test_44A() { # was test_44
 	[[ $OSTCOUNT -lt 2 ]] && skip_env "skipping 2-stripe test" && return
 	dd if=/dev/zero of=$DIR/f1 bs=4k count=1 seek=1023
 	dd if=$DIR/f1 bs=4k count=1 > /dev/null
 }
-run_test 44 "zero length read from a sparse stripe ============="
+run_test 44A "zero length read from a sparse stripe ============="
 
 test_44a() {
 	local nstripe=$($LCTL lov_getconfig $DIR | grep default_stripe_count: |
@@ -4436,30 +4450,47 @@ test_56a() {	# was test_56
 		error "$GETSTRIPE $DIR/$tdir: found $FILENUM, not $NUMFILES"
 	echo "$GETSTRIPE --recursive passed."
 
-        # test lfs getstripe with file instead of dir
+	# test lfs getstripe with file instead of dir
 	FILENUM=$($GETSTRIPE $DIR/$tdir/file1 | grep -c obdidx)
 	[[ $FILENUM -eq 1 ]] ||
 		error "$GETSTRIPE $DIR/$tdir/file1: found $FILENUM, not 1"
 	echo "$GETSTRIPE file1 passed."
 
-        #test lfs getstripe with --verbose
+	#test lfs getstripe with --verbose
 	[[ $($GETSTRIPE --verbose $DIR/$tdir |
 		grep -c lmm_magic) -eq $NUMFILES ]] ||
 		error "$GETSTRIPE --verbose $DIR/$tdir: want $NUMFILES"
 	[[ $($GETSTRIPE $DIR/$tdir | grep -c lmm_magic) -eq 0 ]] ||
-		rror "$GETSTRIPE $DIR/$tdir: showed lmm_magic"
+		error "$GETSTRIPE $DIR/$tdir: showed lmm_magic"
+
+	#test lfs getstripe with -v prints lmm_fid
+	[[ $($GETSTRIPE -v $DIR/$tdir | grep -c lmm_fid) -eq $NUMFILES ]] ||
+		error "$GETSTRIPE -v $DIR/$tdir: want $NUMFILES lmm_fid: lines"
+	[[ $($GETSTRIPE $DIR/$tdir | grep -c lmm_fid) -eq 0 ]] ||
+		error "$GETSTRIPE $DIR/$tdir: showed lmm_fid"
 	echo "$GETSTRIPE --verbose passed."
 
-        #test lfs getstripe with --obd
-        $GETSTRIPE --obd wrong_uuid $DIR/$tdir 2>&1 |
+	#check for FID information
+	local fid1=$($GETSTRIPE --fid $DIR/$tdir/file1)
+	local fid2=$($GETSTRIPE --verbose $DIR/$tdir/file1 |
+		       awk '/lmm_fid: / { print $2 }')
+	local fid3=$($LFS path2fid $DIR/$tdir/file1)
+	[ "$fid1" != "$fid2" ] &&
+		error "getstripe --fid $fid1 != getstripe --verbose $fid2"
+	[ "$fid1" != "$fid3" ] &&
+		error "getstripe --fid $fid1 != lfs path2fid $fid3"
+	echo "$GETSTRIPE --fid passed."
+
+	#test lfs getstripe with --obd
+	$GETSTRIPE --obd wrong_uuid $DIR/$tdir 2>&1 |
 		grep -q "unknown obduuid" ||
 		error "$GETSTRIPE --obd wrong_uuid should return error message"
 
 	[[ $OSTCOUNT -lt 2 ]] &&
-                skip_env "skipping other $GETSTRIPE --obd test" && return
+		skip_env "skipping other $GETSTRIPE --obd test" && return
 
-        OSTIDX=1
-        OBDUUID=$(ostuuid_from_index $OSTIDX)
+	OSTIDX=1
+	OBDUUID=$(ostuuid_from_index $OSTIDX)
 	FILENUM=$($GETSTRIPE -ir $DIR/$tdir | grep "^$OSTIDX\$" | wc -l)
 	FOUND=$($GETSTRIPE -r --obd $OBDUUID $DIR/$tdir | grep obdidx | wc -l)
 	[[ $FOUND -eq $FILENUM ]] ||
@@ -4805,7 +4836,7 @@ run_test 56s "check lfs find -stripe-count works"
 
 test_56t() { # LU-611
 	TDIR=$DIR/${tdir}t
-	setup_56 $NUMFILES $NUMDIRS "-s 512k"
+	setup_56 $NUMFILES $NUMDIRS "--stripe-size 512k"
 
 	$SETSTRIPE -S 256k $TDIR/$tfile.{0,1,2,3}
 
@@ -5705,10 +5736,6 @@ cleanup_68() {
 		rm -f $LLOOP
 		unset LLOOP
 	fi
-	if [ ! -z "$LLITELOOPLOAD" ]; then
-		rmmod llite_lloop
-		unset LLITELOOPLOAD
-	fi
 	rm -f $DIR/f68*
 }
 
@@ -5720,74 +5747,6 @@ swap_used() {
 	swapon -s | awk '($1 == "'$1'") { print $4 }'
 }
 
-# test case for lloop driver, basic function
-test_68a() {
-	[ $PARALLEL == "yes" ] && skip "skip parallel run" && return
-	[ "$UID" != 0 ] && skip_env "must run as root" && return
-	llite_lloop_enabled || \
- 		{ skip_env "llite_lloop module disabled" && return; }
-
-	trap cleanup_68 EXIT
-
-	if ! module_loaded llite_lloop; then
-		if load_module llite/llite_lloop; then
-			LLITELOOPLOAD=yes
-		else
-			skip_env "can't find module llite_lloop"
-			return
-		fi
-	fi
-
-	LLOOP=$TMP/lloop.`date +%s`.`date +%N`
-	dd if=/dev/zero of=$DIR/f68a bs=4k count=1024
-	$LCTL blockdev_attach $DIR/f68a $LLOOP || error "attach failed"
-
-	directio rdwr $LLOOP 0 1024 4096 || error "direct write failed"
-	directio rdwr $LLOOP 0 1025 4096 && error "direct write should fail"
-
-	cleanup_68
-}
-run_test 68a "lloop driver - basic test ========================"
-
-# excercise swapping to lustre by adding a high priority swapfile entry
-# and then consuming memory until it is used.
-test_68b() {  # was test_68
-	[ $PARALLEL == "yes" ] && skip "skip parallel run" && return
-	[ "$UID" != 0 ] && skip_env "must run as root" && return
-	lctl get_param -n devices | grep -q obdfilter && \
-		skip "local OST" && return
-
-	grep -q llite_lloop /proc/modules
-	[ $? -ne 0 ] && skip "can't find module llite_lloop" && return
-
-	[ -z "`$LCTL list_nids | grep -v tcp`" ] && \
-		skip "can't reliably test swap with TCP" && return
-
-	MEMTOTAL=`meminfo MemTotal`
-	NR_BLOCKS=$((MEMTOTAL>>8))
-	[[ $NR_BLOCKS -le 2048 ]] && NR_BLOCKS=2048
-
-	LLOOP=$TMP/lloop.`date +%s`.`date +%N`
-	dd if=/dev/zero of=$DIR/f68b bs=64k seek=$NR_BLOCKS count=1
-	mkswap $DIR/f68b
-
-	$LCTL blockdev_attach $DIR/f68b $LLOOP || error "attach failed"
-
-	trap cleanup_68 EXIT
-
-	swapon -p 32767 $LLOOP || error "swapon $LLOOP failed"
-
-	echo "before: `swapon -s | grep $LLOOP`"
-	$MEMHOG $MEMTOTAL || error "error allocating $MEMTOTAL kB"
-	echo "after: `swapon -s | grep $LLOOP`"
-	SWAPUSED=`swap_used $LLOOP`
-
-	cleanup_68
-
-	[ $SWAPUSED -eq 0 ] && echo "no swap used???" || true
-}
-run_test 68b "support swapping to Lustre ========================"
-
 # bug5265, obdfilter oa2dentry return -ENOENT
 # #define OBD_FAIL_SRV_ENOENT 0x217
 test_69() {
@@ -6698,6 +6657,10 @@ run_test 101e "check read-ahead for small read(1k) for small files(500k)"
 test_101f() {
 	which iozone || { skip "no iozone installed" && return; }
 
+	local old_debug=$($LCTL get_param debug)
+	old_debug=${old_debug#*=}
+	$LCTL set_param debug="reada mmap"
+
 	# create a test file
 	iozone -i 0 -+n -r 1m -s 128m -w -f $DIR/$tfile > /dev/null 2>&1
 
@@ -6708,13 +6671,16 @@ test_101f() {
 	$LCTL set_param -n llite.*.read_ahead_stats 0
 
 	echo mmap read the file with small block size
-	iozone -i 1 -+n -r 32k -s 128m -B -f $DIR/$tfile > /dev/null 2>&1
+	iozone -i 1 -u 1 -l 1 -+n -r 32k -s 128m -B -f $DIR/$tfile \
+		> /dev/null 2>&1
 
 	echo checking missing pages
+	$LCTL get_param llite.*.read_ahead_stats
 	local miss=$($LCTL get_param -n llite.*.read_ahead_stats |
 			get_named_value 'misses' | cut -d" " -f1 | calc_total)
 
-	[ $miss -lt 3 ] || error "misses too much pages!"
+	$LCTL set_param debug="$old_debug"
+	[ $miss -lt 3 ] || error "misses too much pages ('$miss')!"
 	rm -f $DIR/$tfile
 }
 run_test 101f "check mmap read performance"
@@ -7147,29 +7113,31 @@ getxattr() { # getxattr path name
 }
 
 test_102n() { # LU-4101 mdt: protect internal xattrs
-	local file0=$DIR/$tfile.0
-	local file1=$DIR/$tfile.1
-	local xattr0=$TMP/$tfile.0
-	local xattr1=$TMP/$tfile.1
-	local name
-	local value
-
 	[ -z "$(which setfattr 2>/dev/null)" ] &&
 		skip "could not find setfattr" && return
-
 	if [ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.5.50) ]
 	then
 		skip "MDT < 2.5.50 allows setxattr on internal trusted xattrs"
 		return
 	fi
 
+	local file0=$DIR/$tfile.0
+	local file1=$DIR/$tfile.1
+	local xattr0=$TMP/$tfile.0
+	local xattr1=$TMP/$tfile.1
+	local namelist="lov lma lmv link fid version som hsm"
+	local name
+	local value
+
 	rm -rf $file0 $file1 $xattr0 $xattr1
 	touch $file0 $file1
 
 	# Get 'before' xattrs of $file1.
 	getfattr --absolute-names --dump --match=- $file1 > $xattr0
 
-	for name in lov lma lmv link fid version som hsm; do
+	[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.8.53) ] &&
+		namelist+=" lfsck_namespace"
+	for name in $namelist; do
 		# Try to copy xattr from $file0 to $file1.
 		value=$(getxattr $file0 trusted.$name 2> /dev/null)
 
@@ -7306,7 +7274,8 @@ test_103a() {
 
 	SAVE_UMASK=$(umask)
 	umask 0022
-	cd $DIR
+	mkdir -p $DIR/$tdir
+	cd $DIR/$tdir
 
 	echo "performing cp ..."
 	run_acl_subtest cp || error "run_acl_subtest cp failed"
@@ -7585,20 +7554,24 @@ run_test 115 "verify dynamic thread creation===================="
 free_min_max () {
 	wait_delete_completed
 	AVAIL=($(lctl get_param -n osc.*[oO][sS][cC]-[^M]*.kbytesavail))
-	echo OST kbytes available: ${AVAIL[@]}
-	MAXI=0; MAXV=${AVAIL[0]}
-	MINI=0; MINV=${AVAIL[0]}
+	echo "OST kbytes available: ${AVAIL[@]}"
+	MAXV=${AVAIL[0]}
+	MAXI=0
+	MINV=${AVAIL[0]}
+	MINI=0
 	for ((i = 0; i < ${#AVAIL[@]}; i++)); do
 		#echo OST $i: ${AVAIL[i]}kb
 		if [[ ${AVAIL[i]} -gt $MAXV ]]; then
-			MAXV=${AVAIL[i]}; MAXI=$i
+			MAXV=${AVAIL[i]}
+			MAXI=$i
 		fi
 		if [[ ${AVAIL[i]} -lt $MINV ]]; then
-			MINV=${AVAIL[i]}; MINI=$i
+			MINV=${AVAIL[i]}
+			MINI=$i
 		fi
 	done
-	echo Min free space: OST $MINI: $MINV
-	echo Max free space: OST $MAXI: $MAXV
+	echo "Min free space: OST $MINI: $MINV"
+	echo "Max free space: OST $MAXI: $MAXV"
 }
 
 test_116a() { # was previously test_116()
@@ -7621,9 +7594,9 @@ test_116a() { # was previously test_116()
 
 	# Check if we need to generate uneven OSTs
 	test_mkdir -p $DIR/$tdir/OST${MINI}
-	local FILL=$(($MINV / 4))
-	local DIFF=$(($MAXV - $MINV))
-	local DIFF2=$(($DIFF * 100 / $MINV))
+	local FILL=$((MINV / 4))
+	local DIFF=$((MAXV - MINV))
+	local DIFF2=$((DIFF * 100 / MINV))
 
 	local threshold=$(do_facet $SINGLEMDS \
 		lctl get_param -n *.*MDT0000-mdtlov.qos_threshold_rr | head -n1)
@@ -7637,15 +7610,15 @@ test_116a() { # was previously test_116()
 	else
 		# generate uneven OSTs. Write 2% over the QOS threshold value
 		echo "no"
-		DIFF=$(($threshold - $DIFF2 + 2))
-		DIFF2=$(( ($MINV * $DIFF)/100 ))
-		echo "Fill ${DIFF}% remaining space in OST${MINI} with ${DIFF2}KB"
+		DIFF=$((threshold - DIFF2 + 2))
+		DIFF2=$((MINV * DIFF / 100))
+		echo "Fill $DIFF% remaining space in OST$MINI with ${DIFF2}KB"
 		$SETSTRIPE -i $MINI -c 1 $DIR/$tdir/OST${MINI} ||
 			error "setstripe failed"
-		DIFF=$(($DIFF2 / 2048))
+		DIFF=$((DIFF2 / 2048))
 		i=0
 		while [ $i -lt $DIFF ]; do
-			i=$(($i + 1))
+			i=$((i + 1))
 			dd if=/dev/zero of=$DIR/$tdir/OST${MINI}/$tfile-$i \
 				bs=2M count=1 2>/dev/null
 			echo -n .
@@ -7656,10 +7629,10 @@ test_116a() { # was previously test_116()
 		free_min_max
 	fi
 
-	DIFF=$(($MAXV - $MINV))
-	DIFF2=$(($DIFF * 100 / $MINV))
-	echo -n "diff=${DIFF}=${DIFF2}% must be > ${threshold}% for QOS mode..."
-	if [[ $DIFF2 -gt $threshold ]]; then
+	DIFF=$((MAXV - MINV))
+	DIFF2=$((DIFF * 100 / MINV))
+	echo -n "diff=$DIFF=$DIFF2% must be > $threshold% for QOS mode..."
+	if [ $DIFF2 -gt $threshold ]; then
 		echo "ok"
 	else
 		echo "failed - QOS mode won't be used"
@@ -7668,12 +7641,14 @@ test_116a() { # was previously test_116()
 		return
 	fi
 
-	MINI1=$MINI; MINV1=$MINV
-	MAXI1=$MAXI; MAXV1=$MAXV
+	MINI1=$MINI
+	MINV1=$MINV
+	MAXI1=$MAXI
+	MAXV1=$MAXV
 
 	# now fill using QOS
 	$SETSTRIPE -c 1 $DIR/$tdir
-	FILL=$(($FILL / 200))
+	FILL=$((FILL / 200))
 	if [ $FILL -gt 600 ]; then
 		FILL=600
 	fi
@@ -7691,31 +7666,31 @@ test_116a() { # was previously test_116()
 
 	echo "Note: free space may not be updated, so measurements might be off"
 	free_min_max
-	DIFF2=$(($MAXV - $MINV))
+	DIFF2=$((MAXV - MINV))
 	echo "free space delta: orig $DIFF final $DIFF2"
 	[ $DIFF2 -gt $DIFF ] && echo "delta got worse!"
-	DIFF=$(($MINV1 - ${AVAIL[$MINI1]}))
+	DIFF=$((MINV1 - ${AVAIL[$MINI1]}))
 	echo "Wrote ${DIFF}KB to smaller OST $MINI1"
-	DIFF2=$(($MAXV1 - ${AVAIL[$MAXI1]}))
+	DIFF2=$((MAXV1 - ${AVAIL[$MAXI1]}))
 	echo "Wrote ${DIFF2}KB to larger OST $MAXI1"
 	if [[ $DIFF -gt 0 ]]; then
-		FILL=$(($DIFF2 * 100 / $DIFF - 100))
+		FILL=$((DIFF2 * 100 / DIFF - 100))
 		echo "Wrote ${FILL}% more data to larger OST $MAXI1"
 	fi
 
 	# Figure out which files were written where
 	UUID=$(lctl get_param -n lov.${FSNAME}-clilov-*.target_obd |
-		  awk '/'$MINI1': / {print $2; exit}')
+	       awk '/'$MINI1': / {print $2; exit}')
 	echo $UUID
 	MINC=$($GETSTRIPE --ost $UUID $DIR/$tdir | grep $DIR | wc -l)
 	echo "$MINC files created on smaller OST $MINI1"
 	UUID=$(lctl get_param -n lov.${FSNAME}-clilov-*.target_obd |
-		  awk '/'$MAXI1': / {print $2; exit}')
+	       awk '/'$MAXI1': / {print $2; exit}')
 	echo $UUID
 	MAXC=$($GETSTRIPE --ost $UUID $DIR/$tdir | grep $DIR | wc -l)
 	echo "$MAXC files created on larger OST $MAXI1"
 	if [[ $MINC -gt 0 ]]; then
-		FILL=$(($MAXC * 100 / $MINC - 100))
+		FILL=$((MAXC * 100 / MINC - 100))
 		echo "Wrote ${FILL}% more files to larger OST $MAXI1"
 	fi
 	[[ $MAXC -gt $MINC ]] ||
@@ -8360,6 +8335,7 @@ test_120e() {
 	stat $DIR/$tdir $DIR/$tdir/f1 > /dev/null
 	# XXX client can not do early lock cancel of OST lock
 	# during unlink (LU-4206), so cancel osc lock now.
+	sleep 2
 	cancel_lru_locks osc
 	can1=$(do_facet $SINGLEMDS \
 	       "$LCTL get_param -n ldlm.services.ldlm_canceld.stats" |
@@ -8402,6 +8378,7 @@ test_120f() {
 	stat $DIR/$tdir/d1 $DIR/$tdir/d2 $DIR/$tdir/d1/f1 $DIR/$tdir/d2/f2 > /dev/null
 	# XXX client can not do early lock cancel of OST lock
 	# during rename (LU-4206), so cancel osc lock now.
+	sleep 2
 	cancel_lru_locks osc
 	can1=$(do_facet $SINGLEMDS \
 	       "$LCTL get_param -n ldlm.services.ldlm_canceld.stats" |
@@ -8696,11 +8673,18 @@ test_124b() {
 
 	NR=$(($(default_lru_size)*20))
 	if [[ $NR -gt $LIMIT ]]; then
-                log "Limit lock number by $LIMIT locks"
-                NR=$LIMIT
-        fi
-        lru_resize_disable mdc
-        test_mkdir -p $DIR/$tdir/disable_lru_resize ||
+		log "Limit lock number by $LIMIT locks"
+		NR=$LIMIT
+	fi
+
+	IFree=$(mdsrate_inodes_available)
+	if [ $IFree -lt $NR ]; then
+		log "Limit lock number by $IFree inodes"
+		NR=$IFree
+	fi
+
+	lru_resize_disable mdc
+	test_mkdir -p $DIR/$tdir/disable_lru_resize ||
 		error "failed to create $DIR/$tdir/disable_lru_resize"
 
         createmany -o $DIR/$tdir/disable_lru_resize/f $NR
@@ -10157,20 +10141,43 @@ test_154A() {
 	[[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.4.1) ]] &&
 		skip "Need MDS version at least 2.4.1" && return
 
-	touch $DIR/$tfile
-	local FID=$($LFS path2fid $DIR/$tfile)
-	[ -z "$FID" ] && error "path2fid unable to get $DIR/$tfile FID"
+	local tf=$DIR/$tfile
+	touch $tf
 
-	# check that we get the same pathname back
-	local FOUND=$($LFS fid2path $MOUNT "$FID")
-	[ -z "$FOUND" ] && error "fid2path unable to get $FID path"
-	[ "$FOUND" != "$DIR/$tfile" ] &&
-		error "fid2path(path2fid($DIR/$tfile)) = $FOUND != $DIR/$tfile"
+	local fid=$($LFS path2fid $tf)
+	[ -z "$fid" ] && error "path2fid unable to get $tf FID"
 
-	rm -rf $DIR/$tfile
+	# check that we get the same pathname back
+	local found=$($LFS fid2path $MOUNT "$fid")
+	[ -z "$found" ] && error "fid2path unable to get '$fid' path"
+	[ "$found" == "$tf" ] ||
+		error "fid2path($fid=path2fid($tf)) = $found != $tf"
 }
 run_test 154A "lfs path2fid and fid2path basic checks"
 
+test_154B() {
+	[[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.4.1) ]] &&
+		skip "Need MDS version at least 2.4.1" && return
+
+	mkdir -p $DIR/$tdir || error "mkdir $tdir failed"
+	touch $DIR/$tdir/$tfile || error "touch $DIR/$tdir/$tfile failed"
+	local linkea=$($LL_DECODE_LINKEA $DIR/$tdir/$tfile | grep 'pfid')
+	[ -z "$linkea" ] && error "decode linkea $DIR/$tdir/$tfile failed"
+
+	local name=$(echo $linkea | awk '/pfid/ {print $5}' | sed -e "s/'//g")
+	local PFID=$(echo $linkea | awk '/pfid/ {print $3}' | sed -e "s/,//g")
+
+	# check that we get the same pathname
+	echo "PFID: $PFID, name: $name"
+	local FOUND=$($LFS fid2path $MOUNT "$PFID")
+	[ -z "$FOUND" ] && error "fid2path unable to get $PFID path"
+	[ "$FOUND/$name" != "$DIR/$tdir/$tfile" ] &&
+		error "ll_decode_linkea has $FOUND/$name != $DIR/$tdir/$tfile"
+
+	rm -rf $DIR/$tdir || error "Can not delete directory $DIR/$tdir"
+}
+run_test 154B "verify the ll_decode_linkea tool"
+
 test_154a() {
 	[ $PARALLEL == "yes" ] && skip "skip parallel run" && return
 	[[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.2.51) ]] ||
@@ -10938,6 +10945,36 @@ test_160d() {
 }
 run_test 160d "verify that changelog log catch the migrate event"
 
+test_160e() {
+	# Create a user
+	CL_USER=$(do_facet $SINGLEMDS $LCTL --device $MDT0 \
+		changelog_register -n)
+	echo "Registered as changelog user $CL_USER"
+	trap cleanup_changelog EXIT
+
+	# Delete a future user (expect fail)
+	do_facet $SINGLEMDS $LCTL --device $MDT0 changelog_deregister cl77
+	local rc=$?
+
+	if [ $rc -eq 0 ]; then
+		error "Deleted non-existant user cl77"
+	elif [ $rc -ne 2 ]; then
+		error "changelog_deregister failed with $rc, " \
+			"expected 2 (ENOENT)"
+	fi
+
+	# Clear to a bad index (1 billion should be safe)
+	$LFS changelog_clear $MDT0 $CL_USER 1000000000
+	rc=$?
+
+	if [ $rc -eq 0 ]; then
+		error "Successfully cleared to invalid CL index"
+	elif [ $rc -ne 22 ]; then
+		error "changelog_clear failed with $rc, expected 22 (EINVAL)"
+	fi
+}
+run_test 160e "changelog negative testing"
+
 test_161a() {
 	[ $PARALLEL == "yes" ] && skip "skip parallel run" && return
 	test_mkdir -p -c1 $DIR/$tdir
@@ -12103,8 +12140,10 @@ test_205() { # Job stats
 	cmd="mv -f $DIR/$tfile $DIR/$tdir.rename"
 	verify_jobstats "$cmd" "$SINGLEMDS"
 	# jobstats expiry - sleep until old stats should be expired
-	local left=$((interval_new + 2 - (SECONDS - start)))
-	[ $left -ge 0 ] && echo "sleep $left for expiry" && sleep $((left + 1))
+	local left=$((interval_new + 5 - (SECONDS - start)))
+	[ $left -ge 0 ] && wait_update_facet $SINGLEMDS \
+		"lctl get_param *.*.job_stats | grep -c 'job_id.*mkdir'" \
+			"0" $left
 	cmd="mkdir $DIR/$tdir.expire"
 	verify_jobstats "$cmd" "$SINGLEMDS"
 	[ $(do_facet $SINGLEMDS lctl get_param *.*.job_stats |
@@ -12534,7 +12573,7 @@ test_220() { #LU-325
 	do_facet ost$((OSTIDX + 1)) lctl set_param fail_val=-1
 	#define OBD_FAIL_OST_ENOINO              0x229
 	do_facet ost$((OSTIDX + 1)) lctl set_param fail_loc=0x229
-	do_facet mgs $LCTL pool_new $FSNAME.$TESTNAME || return 1
+	create_pool $FSNAME.$TESTNAME || return 1
 	do_facet mgs $LCTL pool_add $FSNAME.$TESTNAME $OST || return 2
 
 	$SETSTRIPE $DIR/$tdir -i $OSTIDX -c 1 -p $FSNAME.$TESTNAME
@@ -13706,7 +13745,7 @@ test_241_dio() {
 	done
 }
 
-test_241() {
+test_241a() { # was test_241
 	dd if=/dev/zero of=$DIR/$tfile count=1 bs=40960
 	ls -la $DIR/$tfile
 	cancel_lru_locks osc
@@ -13715,7 +13754,7 @@ test_241() {
 	test_241_dio 1000
 	wait $PID
 }
-run_test 241 "bio vs dio"
+run_test 241a "bio vs dio"
 
 test_241b() {
 	dd if=/dev/zero of=$DIR/$tfile count=1 bs=40960
@@ -14028,6 +14067,128 @@ test_252() {
 }
 run_test 252 "check lr_reader tool"
 
+test_253_fill_ost() {
+	local size_mb #how many MB should we write to pass watermark
+	local lwm=$3  #low watermark
+	local free_10mb #10% of free space
+
+	free_kb=$($LFS df $MOUNT | grep $1 | awk '{ print $4 }')
+	size_mb=$((free_kb / 1024 - lwm))
+	free_10mb=$((free_kb / 10240))
+	#If 10% of free space cross low watermark use it
+	if (( free_10mb > size_mb )); then
+		size_mb=$free_10mb
+	else
+		#At least we need to store 1.1 of difference between
+		#free space and low watermark
+		size_mb=$((size_mb + size_mb / 10))
+	fi
+	if (( lwm <= $((free_kb / 1024)) )) || [ ! -f $DIR/$tdir/1 ]; then
+		dd if=/dev/zero of=$DIR/$tdir/1 bs=1M count=$size_mb \
+			 oflag=append conv=notrunc
+	fi
+
+	sleep_maxage
+
+	free_kb=$($LFS df $MOUNT | grep $1 | awk '{ print $4 }')
+	echo "OST still has $((free_kb / 1024)) mbytes free"
+}
+
+test_253() {
+	local ostidx=0
+	local rc=0
+
+	[ $PARALLEL == "yes" ] && skip "skip parallel run" && return
+	remote_mds_nodsh && skip "remote MDS with nodsh" && return
+	remote_mgs_nodsh && skip "remote MGS with nodsh" && return
+
+	local ost_name=$($LFS osts |
+		sed -n 's/^'$ostidx': \(.*\)_UUID .*/\1/p')
+	# on the mdt's osc
+	local mdtosc_proc1=$(get_mdtosc_proc_path $SINGLEMDS $ost_name)
+	do_facet $SINGLEMDS $LCTL get_param -n \
+		osp.$mdtosc_proc1.reserved_mb_high ||
+		{ skip  "remote MDS does not support reserved_mb_high" &&
+		  return; }
+
+	rm -rf $DIR/$tdir
+	wait_mds_ost_sync
+	wait_delete_completed
+	mkdir $DIR/$tdir
+
+	local last_wm_h=$(do_facet $SINGLEMDS $LCTL get_param -n \
+			osp.$mdtosc_proc1.reserved_mb_high)
+	local last_wm_l=$(do_facet $SINGLEMDS $LCTL get_param -n \
+			osp.$mdtosc_proc1.reserved_mb_low)
+	echo "prev high watermark $last_wm_h, prev low watermark $last_wm_l"
+
+	create_pool $FSNAME.$TESTNAME || error "Pool creation failed"
+	do_facet mgs $LCTL pool_add $FSNAME.$TESTNAME $ost_name ||
+		error "Adding $ost_name to pool failed"
+
+	# Wait for client to see a OST at pool
+	wait_update $HOSTNAME "$LCTL get_param -n
+		lov.$FSNAME-*.pools.$TESTNAME | sort -u |
+		grep $ost_name" "$ost_name""_UUID" $((TIMEOUT/2)) ||
+		error "Client can not see the pool"
+	$SETSTRIPE $DIR/$tdir -i $ostidx -c 1 -p $FSNAME.$TESTNAME ||
+		error "Setstripe failed"
+
+	dd if=/dev/zero of=$DIR/$tdir/0 bs=1M count=10
+	local blocks=$($LFS df $MOUNT | grep $ost_name | awk '{ print $4 }')
+	echo "OST still has $((blocks/1024)) mbytes free"
+
+	local new_lwm=$((blocks/1024-10))
+	do_facet $SINGLEMDS $LCTL set_param \
+			osp.$mdtosc_proc1.reserved_mb_high=$((new_lwm+5))
+	do_facet $SINGLEMDS $LCTL set_param \
+			osp.$mdtosc_proc1.reserved_mb_low=$new_lwm
+
+	test_253_fill_ost $ost_name $mdtosc_proc1 $new_lwm
+
+	#First enospc could execute orphan deletion so repeat.
+	test_253_fill_ost $ost_name $mdtosc_proc1 $new_lwm
+
+	local oa_status=$(do_facet $SINGLEMDS $LCTL get_param -n \
+			osp.$mdtosc_proc1.prealloc_status)
+	echo "prealloc_status $oa_status"
+
+	dd if=/dev/zero of=$DIR/$tdir/2 bs=1M count=1 &&
+		error "File creation should fail"
+	#object allocation was stopped, but we still able to append files
+	dd if=/dev/zero of=$DIR/$tdir/1 bs=1M seek=6 count=5 oflag=append ||
+		error "Append failed"
+	rm -f $DIR/$tdir/1 $DIR/$tdir/0 $DIR/$tdir/r*
+
+	wait_delete_completed
+
+	sleep_maxage
+
+	for i in $(seq 10 12); do
+		dd if=/dev/zero of=$DIR/$tdir/$i bs=1M count=1 2>/dev/null ||
+			error "File creation failed after rm";
+	done
+
+	oa_status=$(do_facet $SINGLEMDS $LCTL get_param -n \
+			osp.$mdtosc_proc1.prealloc_status)
+	echo "prealloc_status $oa_status"
+
+	if (( oa_status != 0 )); then
+		error "Object allocation still disable after rm"
+	fi
+	do_facet $SINGLEMDS $LCTL set_param \
+			osp.$mdtosc_proc1.reserved_mb_high=$last_wm_h
+	do_facet $SINGLEMDS $LCTL set_param \
+			osp.$mdtosc_proc1.reserved_mb_low=$last_wm_l
+
+
+	do_facet mgs $LCTL pool_remove $FSNAME.$TESTNAME $ost_name ||
+		error "Remove $ost_name from pool failed"
+	do_facet mgs $LCTL pool_destroy $FSNAME.$TESTNAME ||
+		error "Pool destroy fialed"
+}
+run_test 253 "Check object allocation limit"
+
 test_254() {
 	local cl_user
 
@@ -14247,8 +14408,6 @@ facet_meminfo() {
 }
 
 test_255b() {
-	lfs setstripe -c -1 -i 0 $DIR/$tfile
-
 	ladvise_no_type dontneed $DIR/$tfile &&
 		skip "dontneed ladvise is not supported" && return
 
@@ -14261,6 +14420,8 @@ test_255b() {
 	[ "$(facet_fstype ost1)" = "zfs" ] &&
 		skip "zfs-osd does not support dontneed advice" && return
 
+	lfs setstripe -c 1 -i 0 $DIR/$tfile
+
 	local size_mb=100
 	local size=$((size_mb * 1048576))
 	# In order to prevent disturbance of other processes, only check 3/4
@@ -14714,6 +14875,24 @@ test_300g() {
 	mkdir $DIR/$tdir
 	mkdir $DIR/$tdir/normal_dir
 
+	#Checking when client cache stripe index
+	$LFS setdirstripe -c$MDSCOUNT $DIR/$tdir/striped_dir
+	$LFS setdirstripe -D -i1 $DIR/$tdir/striped_dir ||
+		error "create striped_dir failed"
+
+	mkdir $DIR/$tdir/striped_dir/dir1 ||
+		error "create dir1 fails"
+	stripe_index=$($LFS getdirstripe -i $DIR/$tdir/striped_dir/dir1)
+	[ $stripe_index -eq 1 ] ||
+		error "dir1 expect 1 got $stripe_index"
+
+	$LFS setdirstripe -i2 $DIR/$tdir/striped_dir/dir2 ||
+		error "create dir2 fails"
+	stripe_index=$($LFS getdirstripe -i $DIR/$tdir/striped_dir/dir2)
+	[ $stripe_index -eq 2 ] ||
+		error "dir2 expect 2 got $stripe_index"
+
+	#check default stripe count/stripe index
 	test_300_check_default_striped_dir normal_dir $MDSCOUNT 1
 	test_300_check_default_striped_dir normal_dir 1 0
 	test_300_check_default_striped_dir normal_dir 2 1
@@ -15156,12 +15335,14 @@ test_311() {
 	local new_iused
 	for i in $(seq 120); do
 		new_iused=$($LFS df -i | grep OST0000 | awk '{ print $3 }')
-		[ $((old_iused - new_iused)) -gt 800 ] && break
+		# system may be too busy to destroy all objs in time, use
+		# a somewhat small value to not fail autotest
+		[ $((old_iused - new_iused)) -gt 400 ] && break
 		sleep 1
 	done
 
 	echo "waited $i sec, old Iused $old_iused, new Iused $new_iused"
-	[ $((old_iused - new_iused)) -gt 800 ] ||
+	[ $((old_iused - new_iused)) -gt 400 ] ||
 		error "objs not destroyed after unlink"
 }
 run_test 311 "disable OSP precreate, and unlink should destroy objs"
@@ -15264,7 +15445,30 @@ test_312() { # LU-4856
 }
 run_test 312 "make sure ZFS adjusts its block size by write pattern"
 
-test_399() { # LU-7655 for OST fake write
+test_313() {
+	local file=$DIR/$tfile
+	rm -f $file
+	$SETSTRIPE -c 1 -i 0 $file || error "setstripe failed"
+
+	# define OBD_FAIL_TGT_RCVD_EIO		 0x720
+	do_facet ost1 "$LCTL set_param fail_loc=0x720"
+	dd if=/dev/zero of=$file bs=4096 oflag=direct count=1 &&
+		error "write should failed"
+	do_facet ost1 "$LCTL set_param fail_loc=0"
+	rm -f $file
+}
+run_test 313 "io should fail after last_rcvd update fail"
+
+test_fake_rw() {
+	local read_write=$1
+	if [ "$read_write" = "write" ]; then
+		local dd_cmd="dd if=/dev/zero of=$DIR/$tfile"
+	elif [ "$read_write" = "read" ]; then
+		local dd_cmd="dd of=/dev/null if=$DIR/$tfile"
+	else
+		error "argument error"
+	fi
+
 	# turn off debug for performance testing
 	local saved_debug=$($LCTL get_param -n debug)
 	$LCTL set_param debug=0
@@ -15276,35 +15480,56 @@ test_399() { # LU-7655 for OST fake write
 	local blocks=$((ost1_avail_size/2/1024)) # half avail space by megabytes
 	[ $blocks -gt 1000 ] && blocks=1000 # 1G in maximum
 
+	if [ "$read_write" = "read" ]; then
+		truncate -s $(expr 1048576 \* $blocks) $DIR/$tfile
+	fi
+
 	local start_time=$(date +%s.%N)
-	dd if=/dev/zero of=$DIR/$tfile bs=1M count=$blocks oflag=sync ||
-		error "real dd writing error"
+	$dd_cmd bs=1M count=$blocks oflag=sync ||
+		error "real dd $read_write error"
 	local duration=$(bc <<< "$(date +%s.%N) - $start_time")
-	rm -f $DIR/$tfile
 
-	# define OBD_FAIL_OST_FAKE_WRITE	0x238
+	if [ "$read_write" = "write" ]; then
+		rm -f $DIR/$tfile
+	fi
+
+	# define OBD_FAIL_OST_FAKE_RW		0x238
 	do_facet ost1 $LCTL set_param fail_loc=0x238
 
 	local start_time=$(date +%s.%N)
-	dd if=/dev/zero of=$DIR/$tfile bs=1M count=$blocks oflag=sync ||
-		error "fake dd writing error"
+	$dd_cmd bs=1M count=$blocks oflag=sync ||
+		error "fake dd $read_write error"
 	local duration_fake=$(bc <<< "$(date +%s.%N) - $start_time")
 
-	# verify file size
-	cancel_lru_locks osc
-	$CHECKSTAT -t file -s $((blocks * 1024 * 1024)) $DIR/$tfile ||
-		error "$tfile size not $blocks MB"
-
+	if [ "$read_write" = "write" ]; then
+		# verify file size
+		cancel_lru_locks osc
+		$CHECKSTAT -t file -s $((blocks * 1024 * 1024)) $DIR/$tfile ||
+			error "$tfile size not $blocks MB"
+	fi
 	do_facet ost1 $LCTL set_param fail_loc=0
 
-	echo "fake write $duration_fake vs. normal write $duration in seconds"
+	echo "fake $read_write $duration_fake vs. normal $read_write" \
+		"$duration in seconds"
 	[ $(bc <<< "$duration_fake < $duration") -eq 1 ] ||
 		error_not_in_vm "fake write is slower"
 
 	$LCTL set_param -n debug="$saved_debug"
 	rm -f $DIR/$tfile
 }
-run_test 399 "fake write should not be slower than normal write"
+test_399a() { # LU-7655 for OST fake write
+	test_fake_rw write
+}
+run_test 399a "fake write should not be slower than normal write"
+
+
+test_399b() { # LU-8726 for OST fake read
+	if [ "$(facet_fstype ost1)" != "ldiskfs" ]; then
+		skip "only for ldiskfs" && return 0
+	fi
+	test_fake_rw read
+}
+run_test 399b "fake read should not be slower than normal read"
 
 test_400a() { # LU-1606, was conf-sanity test_74
 	local extra_flags=''
@@ -15458,6 +15683,14 @@ test_401d() {
 run_test 401d "Verify 'lctl set_param' accepts values containing '='"
 
 test_402() {
+	local server_version=$(lustre_version_code $SINGLEMDS)
+	[[ $server_version -ge $(version_code 2.7.66) ]] ||
+	[[ $server_version -ge $(version_code 2.7.18.4) &&
+		$server_version -lt $(version_code 2.7.50) ]] ||
+	[[ $server_version -ge $(version_code 2.7.2) &&
+		$server_version -lt $(version_code 2.7.11) ]] ||
+		{ skip "Need MDS version 2.7.2+ or 2.7.18.4+ or 2.7.66+";
+			return; }
 	remote_mds_nodsh && skip "remote MDS with nodsh" && return
 	$LFS setdirstripe -i 0 $DIR/$tdir || error "setdirstripe -i 0 failed"
 #define OBD_FAIL_MDS_FLD_LOOKUP 0x15c
@@ -15636,6 +15869,58 @@ test_407() {
 }
 run_test 407 "transaction fail should cause operation fail"
 
+test_408() {
+	dd if=/dev/zero of=$DIR/$tfile bs=4096 count=1 oflag=direct
+
+	#define OBD_FAIL_OSC_BRW_PREP_REQ2        0x40a
+	lctl set_param fail_loc=0x8000040a
+	# let ll_prepare_partial_page() fail
+	dd if=/dev/zero of=$DIR/$tfile bs=2048 count=1 conv=notrunc || true
+
+	rm -f $DIR/$tfile
+
+	# create at least 100 unused inodes so that
+	# shrink_icache_memory(0) should not return 0
+	touch $DIR/$tfile-{0..100}
+	rm -f $DIR/$tfile-{0..100}
+	sync
+
+	echo 2 > /proc/sys/vm/drop_caches
+}
+run_test 408 "drop_caches should not hang due to page leaks"
+
+test_409()
+{
+	[ $MDSCOUNT -lt 2 ] &&
+		skip "We need at least 2 MDTs for this test" && return
+
+	check_mount_and_prep
+
+	mkdir -p $DIR/$tdir || error "(0) Fail to mkdir"
+	$LFS mkdir -i 1 -c 2 $DIR/$tdir/foo || error "(1) Fail to mkdir"
+	touch $DIR/$tdir/guard || error "(2) Fail to create"
+
+	local PREFIX=$(str_repeat 'A' 128)
+	echo "Create 1K hard links start at $(date)"
+	createmany -l $DIR/$tdir/guard $DIR/$tdir/foo/${PREFIX}_ 1000 ||
+		error "(3) Fail to hard link"
+
+	echo "Links count should be right although linkEA overflow"
+	stat $DIR/$tdir/guard || error "(4) Fail to stat"
+	local linkcount=$(stat --format=%h $DIR/$tdir/guard)
+	[ $linkcount -eq 1001 ] ||
+		error "(5) Unexpected hard links count: $linkcount"
+
+	echo "List all links start at $(date)"
+	ls -l $DIR/$tdir/foo > /dev/null ||
+		error "(6) Fail to list $DIR/$tdir/foo"
+
+	echo "Unlink hard links start at $(date)"
+	unlinkmany $DIR/$tdir/foo/${PREFIX}_ 1000 ||
+		error "(7) Fail to unlink"
+}
+run_test 409 "Large amount of cross-MDTs hard links on the same file"
+
 #
 # tests that do cleanup/setup should be run at the end
 #