X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Ftests%2Fsanity.sh;h=b0124903fbeaaaf285aaf29594a7c5e80742701d;hp=fdf7e76fb597be918606ad6f6926a3e17f537e46;hb=c0d3e6a3b639104a262b34be3e5753dd8f5dcdac;hpb=c70512dfa35540a797b942c44c4f6e2b0daaba1c

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index fdf7e76..b012490 100644
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -788,7 +788,7 @@ run_test 24c "rename directory to non-existent target"
 test_24d() {
 	test_mkdir $DIR/$tdir
 	test_mkdir $DIR/$tdir/d$testnum.1
-	test_mkdir $DIR/$tdir/d$ttestnum.2
+	test_mkdir $DIR/$tdir/d$testnum.2
 	mrename $DIR/$tdir/d$testnum.1 $DIR/$tdir/d$testnum.2
 	$CHECKSTAT -a $DIR/$tdir/d$testnum.1 || error "d$testnum.1 exists"
 	$CHECKSTAT -t dir $DIR/$tdir/d$testnum.2 || error "d$testnum.2 not dir"
@@ -990,7 +990,7 @@ max_pages_per_rpc() {
 
 test_24v() {
 	local NRFILES=100000
-	local FREE_INODES=$(lfs_df -i | grep "summary" | awk '{print $4}')
+	local FREE_INODES=$(mdt_free_inodes 0)
 	[ $FREE_INODES -lt $NRFILES ] && \
 		skip "not enough free inodes $FREE_INODES required $NRFILES" &&
 		return
@@ -998,6 +998,9 @@ test_24v() {
 	[ $PARALLEL == "yes" ] && skip "skip parallel run" && return
 	trap simple_cleanup_common EXIT
 
+	# Performance issue on ZFS see LU-4072 (c.f. LU-2887)
+	[ $(facet_fstype $SINGLEMDS) = "zfs" ] && NRFILES=10000
+
 	mkdir -p $DIR/$tdir
 	createmany -m $DIR/$tdir/$tfile $NRFILES
 
@@ -1050,6 +1053,9 @@ test_24x() {
 	mkdir -p $remote_dir/tgt_dir
 	touch $remote_dir/tgt_file
 
+	mrename $remote_dir $DIR/ &&
+		error "rename dir cross MDT works!"
+
 	mrename $DIR/$tdir/src_dir $remote_dir/tgt_dir &&
 		error "rename dir cross MDT works!"
 
@@ -1120,6 +1126,7 @@ run_test 24z "rename one remote dir to another remote dir should fail"
 test_24A() { # LU-3182
 	local NFILES=5000
 
+	rm -rf $DIR/$tdir
 	mkdir -p $DIR/$tdir
 	createmany -m $DIR/$tdir/$tfile $NFILES
 	local t=`ls $DIR/$tdir | wc -l`
@@ -1277,10 +1284,10 @@ test_27k() { # bug 2844
 	[ ! -d $DIR/d27 ] && test_mkdir -p $DIR d27
 	$SETSTRIPE -S 67108864 $FILE || error "setstripe failed"
 	BLKSIZE=`stat $FILE | awk '/IO Block:/ { print $7 }'`
-	[ $BLKSIZE -le $LL_MAX_BLKSIZE ] || error "$BLKSIZE > $LL_MAX_BLKSIZE"
+	[ $BLKSIZE -le $LL_MAX_BLKSIZE ] || error "1:$BLKSIZE > $LL_MAX_BLKSIZE"
 	dd if=/dev/zero of=$FILE bs=4k count=1
 	BLKSIZE=`stat $FILE | awk '/IO Block:/ { print $7 }'`
-	[ $BLKSIZE -le $LL_MAX_BLKSIZE ] || error "$BLKSIZE > $LL_MAX_BLKSIZE"
+	[ $BLKSIZE -le $LL_MAX_BLKSIZE ] || error "2:$BLKSIZE > $LL_MAX_BLKSIZE"
 }
 run_test 27k "limit i_blksize for broken user apps ============="
 
@@ -1355,9 +1362,9 @@ exhaust_precreations() {
 	# on the mdt's osc
 	local mdtosc_proc1=$(get_mdtosc_proc_path mds${MDSIDX} $OST)
 	local last_id=$(do_facet mds${MDSIDX} lctl get_param -n \
-        osc.$mdtosc_proc1.prealloc_last_id)
+			osc.$mdtosc_proc1.prealloc_last_id)
 	local next_id=$(do_facet mds${MDSIDX} lctl get_param -n \
-        osc.$mdtosc_proc1.prealloc_next_id)
+			osc.$mdtosc_proc1.prealloc_next_id)
 
 	local mdtosc_proc2=$(get_mdtosc_proc_path mds${MDSIDX})
 	do_facet mds${MDSIDX} lctl get_param osc.$mdtosc_proc2.prealloc*
@@ -3093,6 +3100,57 @@ test_39m() {
 }
 run_test 39m "test atime and mtime before 1970"
 
+test_39n() { # LU-3832
+	local atime_diff=$(do_facet $SINGLEMDS \
+		lctl get_param -n mdd.*MDT0000*.atime_diff)
+	local atime0
+	local atime1
+	local atime2
+
+	do_facet $SINGLEMDS lctl set_param -n mdd.*MDT0000*.atime_diff=1
+
+	rm -rf $DIR/$tfile
+	dd if=/dev/zero of=$DIR/$tfile bs=4096 count=1 status=noxfer
+	atime0=$(stat -c %X $DIR/$tfile)
+
+	sleep 5
+	$MULTIOP $DIR/$tfile oO_RDONLY:O_NOATIME:r4096c
+	atime1=$(stat -c %X $DIR/$tfile)
+
+	sleep 5
+	cancel_lru_locks mdc
+	cancel_lru_locks osc
+	$MULTIOP $DIR/$tfile oO_RDONLY:O_NOATIME:r4096c
+	atime2=$(stat -c %X $DIR/$tfile)
+
+	do_facet $SINGLEMDS \
+		lctl set_param -n mdd.*MDT0000*.atime_diff=$atime_diff
+
+	[ "$atime0" -eq "$atime1" ] || error "atime0 $atime0 != atime1 $atime1"
+	[ "$atime1" -eq "$atime2" ] || error "atime0 $atime0 != atime1 $atime1"
+}
+run_test 39n "check that O_NOATIME is honored"
+
+test_39o() {
+	TESTDIR=$DIR/$tdir/$tfile
+	[ -e $TESTDIR ] && rm -rf $TESTDIR
+	mkdir -p $TESTDIR
+	cd $TESTDIR
+	links1=2
+	ls
+	mkdir a b
+	ls
+	links2=$(stat -c %h .)
+	[ $(($links1 + 2)) != $links2 ] &&
+		error "wrong links count $(($links1 + 2)) != $links2"
+	rmdir b
+	links3=$(stat -c %h .)
+	[ $(($links1 + 1)) != $links3 ] &&
+		error "wrong links count $links1 != $links3"
+	return 0
+}
+run_test 39o "directory cached attributes updated after create ========"
+
 test_40() {
 	dd if=/dev/zero of=$DIR/$tfile bs=4096 count=1
 	$RUNAS $OPENFILE -f O_WRONLY:O_TRUNC $DIR/$tfile &&
@@ -5834,40 +5892,31 @@ test_101c() {
 	local STRIPE_SIZE=1048576
 	local FILE_LENGTH=$((STRIPE_SIZE*100))
 	local nreads=10000
-	local osc
-
-    setup_test101bc
+	local osc_rpc_stats
 
-    cancel_lru_locks osc
-    $LCTL set_param osc.*.rpc_stats 0
-    $READS -f $DIR/$tfile -s$FILE_LENGTH -b65536 -n$nreads -t 180
-    for osc in $($LCTL get_param -N osc.*); do
-        if [ "$osc" == "osc.num_refs" ]; then
-            continue
-        fi
-
-        local lines=$($LCTL get_param -n ${osc}.rpc_stats | wc | awk '{print $1}')
-        if [ $lines -le 20 ]; then
-            continue
-        fi
+	setup_test101bc
 
-        local rpc4k=$($LCTL get_param -n ${osc}.rpc_stats |
-                                     awk '$1 == "1:" { print $2; exit; }')
-        local rpc8k=$($LCTL get_param -n ${osc}.rpc_stats |
-                                     awk '$1 == "2:" { print $2; exit; }')
-        local rpc16k=$($LCTL get_param -n ${osc}.rpc_stats |
-                                     awk '$1 == "4:" { print $2; exit; }')
-        local rpc32k=$($LCTL get_param -n ${osc}.rpc_stats |
-                                     awk '$1 == "8:" { print $2; exit; }')
-
-        [ $rpc4k != 0 ]  && error "Small 4k read IO ${rpc4k}!"
-        [ $rpc8k != 0 ]  && error "Small 8k read IO ${rpc8k}!"
-        [ $rpc16k != 0 ] && error "Small 16k read IO ${rpc16k}!"
-        [ $rpc32k != 0 ] && error "Small 32k read IO ${rpc32k}!"
-        echo "${osc} rpc check passed!"
-    done
-    cleanup_test101bc
-    true
+	cancel_lru_locks osc
+	$LCTL set_param osc.*.rpc_stats 0
+	$READS -f $DIR/$tfile -s$FILE_LENGTH -b65536 -n$nreads -t 180
+	for osc_rpc_stats in $($LCTL get_param -N osc.*.rpc_stats); do
+		local stats=$($LCTL get_param -n $osc_rpc_stats)
+		local lines=$(echo "$stats" | awk 'END {print NR;}')
+		local size
+
+		if [ $lines -le 20 ]; then
+			continue
+		fi
+		for size in 1 2 4 8; do
+			local rpc=$(echo "$stats" |
+				    awk '($1 == "'$size':") {print $2; exit; }')
+			[ $rpc != 0 ] &&
+				error "Small $((size*4))k read IO $rpc !"
+		done
+		echo "$osc_rpc_stats check passed!"
+	done
+	cleanup_test101bc
+	true
 }
 run_test 101c "check stripe_size aligned read-ahead ================="
 
@@ -6316,7 +6365,15 @@ test_102l() {
 
 	return 0;
 }
-run_test 102l "listxattr filter test =================================="
+run_test 102l "listxattr size test =================================="
+
+test_102m() { # LU-3403 llite: error of listxattr when buffer is small
+	local path=$DIR/$tfile
+	touch $path
+
+	listxattr_size_check $path || error "listattr_size_check $path failed"
+}
+run_test 102m "Ensure listxattr fails on small bufffer ========"
 
 cleanup_test102
 
@@ -6581,53 +6638,79 @@ test_116a() { # was previously test_116()
 	[ "$OSTCOUNT" -lt "2" ] && skip_env "$OSTCOUNT < 2 OSTs" && return
 
 	echo -n "Free space priority "
-	lctl get_param -n lov.*-clilov-*.qos_prio_free
+	do_facet $SINGLEMDS lctl get_param -n lo*.*-mdtlov.qos_prio_free |
+		head -1
 	declare -a AVAIL
 	free_min_max
-	[ $MINV -gt 960000 ] && skip "too much free space in OST$MINI, skip" &&\
-		return
 
-	# generate uneven OSTs
+	[ $MINV -eq 0 ] && skip "no free space in OST$MINI, skip" && return
+	trap simple_cleanup_common EXIT
+
+	# Check if we need to generate uneven OSTs
 	test_mkdir -p $DIR/$tdir/OST${MINI}
-	declare -i FILL
-	FILL=$(($MINV / 4))
-	echo "Filling 25% remaining space in OST${MINI} with ${FILL}Kb"
-	$SETSTRIPE -i $MINI -c 1 $DIR/$tdir/OST${MINI}||error "setstripe failed"
-	i=0
-	while [ $FILL -gt 0 ]; do
-	    i=$(($i + 1))
-	    dd if=/dev/zero of=$DIR/$tdir/OST${MINI}/$tfile-$i bs=2M count=1 2>/dev/null
-	    FILL=$(($FILL - 2048))
-	    echo -n .
-	done
-	FILL=$(($MINV / 4))
-	sync
-	sleep_maxage
+	local FILL=$(($MINV / 4))
+	local DIFF=$(($MAXV - $MINV))
+	local DIFF2=$(($DIFF * 100 / $MINV))
+
+	local threshold=$(do_facet $SINGLEMDS \
+		lctl get_param -n *.*MDT0000-mdtlov.qos_threshold_rr | head -1)
+	threshold=${threshold%%%}
+	echo -n "Check for uneven OSTs: "
+	echo -n "diff=${DIFF}KB (${DIFF2}%) must be > ${threshold}% ..."
+
+	if [ $DIFF2 -gt $threshold ]; then
+		echo "ok"
+		echo "Don't need to fill OST$MINI"
+	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"
+		$SETSTRIPE -i $MINI -c 1 $DIR/$tdir/OST${MINI} ||
+			error "setstripe failed"
+		DIFF=$(($DIFF2 / 2048))
+		i=0
+		while [ $i -lt $DIFF ]; do
+			i=$(($i + 1))
+			dd if=/dev/zero of=$DIR/$tdir/OST${MINI}/$tfile-$i \
+				bs=2M count=1 2>/dev/null
+			echo -n .
+		done
+		echo .
+		sync
+		sleep_maxage
+		free_min_max
+	fi
 
-	free_min_max
 	DIFF=$(($MAXV - $MINV))
 	DIFF2=$(($DIFF * 100 / $MINV))
-	echo -n "diff=${DIFF}=${DIFF2}% must be > 20% for QOS mode..."
-	if [ $DIFF2 -gt 20 ]; then
-	    echo "ok"
+	echo -n "diff=${DIFF}=${DIFF2}% must be > ${threshold}% for QOS mode..."
+	if [ $DIFF2 -gt $threshold ]; then
+		echo "ok"
 	else
-	    echo "failed - QOS mode won't be used"
-	    error_ignore "QOS imbalance criteria not met"
-	    return
+		echo "failed - QOS mode won't be used"
+		skip "QOS imbalance criteria not met"
+		simple_cleanup_common
+		return
 	fi
 
 	MINI1=$MINI; MINV1=$MINV
 	MAXI1=$MAXI; MAXV1=$MAXV
 
 	# now fill using QOS
-	echo writing a bunch of files to QOS-assigned OSTs
 	$SETSTRIPE -c 1 $DIR/$tdir
+	FILL=$(($FILL / 200))
+	if [ $FILL -gt 600 ]; then
+		FILL=600
+	fi
+	echo "writing $FILL files to QOS-assigned OSTs"
 	i=0
-	while [ $FILL -gt 0 ]; do
-	    i=$(($i + 1))
-	    dd if=/dev/zero of=$DIR/$tdir/$tfile-$i bs=1024 count=200 2>/dev/null
-	    FILL=$(($FILL - 200))
-	    echo -n .
+	while [ $i -lt $FILL ]; do
+		i=$(($i + 1))
+		dd if=/dev/zero of=$DIR/$tdir/$tfile-$i bs=200k \
+			count=1 2>/dev/null
+		echo -n .
 	done
 	echo "wrote $i 200k files"
 	sync
@@ -6639,26 +6722,30 @@ test_116a() { # was previously test_116()
 	echo "free space delta: orig $DIFF final $DIFF2"
 	[ $DIFF2 -gt $DIFF ] && echo "delta got worse!"
 	DIFF=$(($MINV1 - ${AVAIL[$MINI1]}))
-	echo "Wrote $DIFF to smaller OST $MINI1"
+	echo "Wrote ${DIFF}KB to smaller OST $MINI1"
 	DIFF2=$(($MAXV1 - ${AVAIL[$MAXI1]}))
-	echo "Wrote $DIFF2 to larger OST $MAXI1"
-	[ $DIFF -gt 0 ] && echo "Wrote $(($DIFF2 * 100 / $DIFF - 100))% more data to larger OST $MAXI1"
+	echo "Wrote ${DIFF2}KB to larger OST $MAXI1"
+	FILL=$(($DIFF2 * 100 / $DIFF - 100))
+	[ $DIFF -gt 0 ] &&
+		echo "Wrote ${FILL}% more data to larger OST $MAXI1"
 
 	# 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 --obd $UUID $DIR/$tdir | wc -l)
+	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 --obd $UUID $DIR/$tdir | wc -l)
+	MAXC=$($GETSTRIPE --ost $UUID $DIR/$tdir | grep $DIR | wc -l)
 	echo "$MAXC files created on larger OST $MAXI1"
-	[ $MINC -gt 0 ] && echo "Wrote $(($MAXC * 100 / $MINC - 100))% more files to larger OST $MAXI1"
-	[ $MAXC -gt $MINC ] || error_ignore "stripe QOS didn't balance free space"
-
-	rm -rf $DIR/$tdir
+	FILL=$(($MAXC * 100 / $MINC - 100))
+	[ $MINC -gt 0 ] &&
+		echo "Wrote ${FILL}% more files to larger OST $MAXI1"
+	[ $MAXC -gt $MINC ] ||
+		error_ignore LU-9 "stripe QOS didn't balance free space"
+	simple_cleanup_common
 }
 run_test 116a "stripe QOS: free space balance ==================="
 
@@ -6688,7 +6775,7 @@ test_117() # bug 10891
         echo "Truncate succeeded."
 	rm -f $DIR/$tfile
 }
-run_test 117 "verify fsfilt_extend =========="
+run_test 117 "verify osd extend =========="
 
 NO_SLOW_RESENDCOUNT=4
 export OLD_RESENDCOUNT=""
@@ -8004,10 +8091,14 @@ test_130d() {
 	$SETSTRIPE -S 65536 -c $OSTCOUNT $fm_file||error "setstripe on $fm_file"
 	[ "$(facet_fstype ost$(($($GETSTRIPE -i $fm_file) + 1)))" = "zfs" ] &&
 		skip "ORI-366/LU-1941: FIEMAP unimplemented on ZFS" && return
-	dd if=/dev/zero of=$fm_file bs=1M count=$OSTCOUNT || error "dd failed on $fm_file"
+
+	local actual_stripecnt=$($GETSTRIPE -c $fm_file)
+	dd if=/dev/zero of=$fm_file bs=1M count=$actual_stripecnt ||
+		error "dd failed on $fm_file"
 
 	filefrag -ves $fm_file || error "filefrag $fm_file failed"
-	filefrag_op=`filefrag -ve $fm_file | grep -A 100 "ext:" | grep -v "ext:" | grep -v "found"`
+	filefrag_op=`filefrag -ve $fm_file | grep -A 100 "ext:" |
+		grep -v "ext:" | grep -v "found"`
 
 	last_lun=`echo $filefrag_op | cut -d: -f5`
 
@@ -8031,7 +8122,7 @@ test_130d() {
 		(( tot_len += ext_len ))
 		last_lun=$frag_lun
 	done
-	if (( num_luns != OSTCOUNT || tot_len != 1024 )); then
+	if (( num_luns != actual_stripecnt || tot_len != 1024 )); then
 		cleanup_130
 		error "FIEMAP on $fm_file failed; returned wrong number of luns or wrong len for OST $last_lun"
 		return
@@ -9212,12 +9303,11 @@ test_156() {
     BEFORE=`roc_hit`
     cat $file >/dev/null
     AFTER=`roc_hit`
-    if ! let "AFTER - BEFORE == 0"; then
-        error_ignore 20762 "IN CACHE: before: $BEFORE, after: $AFTER"
-    else
-        log "cache hits:: before: $BEFORE, after: $AFTER"
-    fi
-
+	if ! let "AFTER - BEFORE == 0"; then
+		error_ignore bz20762 "IN CACHE: before: $BEFORE, after: $AFTER"
+	else
+		log "cache hits:: before: $BEFORE, after: $AFTER"
+	fi
 
     log "Turn on the read cache and turn off the write cache"
     set_cache read on
@@ -9231,11 +9321,11 @@ test_156() {
     cancel_lru_locks osc
     cat $file >/dev/null
     AFTER=`roc_hit`
-    if ! let "AFTER - BEFORE == 0"; then
-        error_ignore 20762 "IN CACHE: before: $BEFORE, after: $AFTER"
-    else
-        log "cache hits:: before: $BEFORE, after: $AFTER"
-    fi
+	if ! let "AFTER - BEFORE == 0"; then
+		error_ignore bz20762 "IN CACHE: before: $BEFORE, after: $AFTER"
+	else
+		log "cache hits:: before: $BEFORE, after: $AFTER"
+	fi
 
     log "Read again; it should be satisfied from the cache."
     BEFORE=`roc_hit`
@@ -9255,7 +9345,7 @@ run_test 156 "Verification of tunables ============================"
 #Changelogs
 err17935 () {
 	if [ $MDSCOUNT -gt 1 ]; then
-		error_ignore 17935 $*
+		error_ignore bz17935 $*
 	else
 		error $*
 	fi
@@ -9285,7 +9375,7 @@ changelog_extract_field() {
 		tail -1
 }
 
-test_160() {
+test_160a() {
 	[ $PARALLEL == "yes" ] && skip "skip parallel run" && return
 	remote_mds_nodsh && skip "remote MDS with nodsh" && return
 	[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.2.0) ] ||
@@ -9381,7 +9471,38 @@ test_160() {
 		echo "$USERS other changelog users; can't verify off"
 	fi
 }
-run_test 160 "changelog sanity"
+run_test 160a "changelog sanity"
+
+test_160b() { # LU-3587
+	[ $PARALLEL == "yes" ] && skip "skip parallel run" && return
+	remote_mds_nodsh && skip "remote MDS with nodsh" && return
+	[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.2.0) ] ||
+		{ skip "Need MDS version at least 2.2.0"; return; }
+
+	local CL_USERS="mdd.$MDT0.changelog_users"
+	local GET_CL_USERS="do_facet $SINGLEMDS $LCTL get_param -n $CL_USERS"
+	USER=$(do_facet $SINGLEMDS $LCTL --device $MDT0 changelog_register -n)
+	echo "Registered as changelog user $USER"
+	$GET_CL_USERS | grep -q $USER ||
+		error "User $USER not found in changelog_users"
+
+	local LONGNAME1=$(str_repeat a 255)
+	local LONGNAME2=$(str_repeat b 255)
+
+	cd $DIR
+	echo "creating very long named file"
+	touch $LONGNAME1 || error "create of $LONGNAME1 failed"
+	echo "moving very long named file"
+	mv $LONGNAME1 $LONGNAME2
+
+	$LFS changelog $MDT0 | grep RENME
+
+	echo "deregistering $USER"
+	do_facet $SINGLEMDS $LCTL --device $MDT0 changelog_deregister $USER
+
+	rm -f $LONGNAME2
+}
+run_test 160b "Verify that very long rename doesn't crash in changelog"
 
 test_161a() {
 	[ $PARALLEL == "yes" ] && skip "skip parallel run" && return
@@ -9477,6 +9598,93 @@ test_161b() {
 }
 run_test 161b "link ea sanity under remote directory"
 
+test_161c() {
+	[ $PARALLEL == "yes" ] && skip "skip parallel run" && return
+	[[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.1.5) ]] &&
+		skip "Need MDS version at least 2.1.5" && return
+
+	# define CLF_RENAME_LAST 0x0001
+	# rename overwrite a target having nlink = 1 (changelog flag 0x1)
+	local USER=$(do_facet $SINGLEMDS $LCTL --device $MDT0 \
+		changelog_register -n)
+	rm -rf $DIR/$tdir
+	mkdir -p $DIR/$tdir
+	touch $DIR/$tdir/foo_161c
+	touch $DIR/$tdir/bar_161c
+	mv -f $DIR/$tdir/foo_161c $DIR/$tdir/bar_161c
+	$LFS changelog $MDT0 | grep RENME
+	local flags=$($LFS changelog $MDT0 | grep RENME | tail -1 | \
+		cut -f5 -d' ')
+	$LFS changelog_clear $MDT0 $USER 0
+	if [ x$flags != "x0x1" ]; then
+		do_facet $SINGLEMDS $LCTL --device $MDT0 changelog_deregister \
+			$USER
+		error "flag $flags is not 0x1"
+	fi
+	echo "rename overwrite a target having nlink = 1," \
+		"changelog record has flags of $flags"
+
+	# rename overwrite a target having nlink > 1 (changelog flag 0x0)
+	touch $DIR/$tdir/foo_161c
+	touch $DIR/$tdir/bar_161c
+	ln $DIR/$tdir/bar_161c $DIR/$tdir/foobar_161c
+	mv -f $DIR/$tdir/foo_161c $DIR/$tdir/bar_161c
+	$LFS changelog $MDT0 | grep RENME
+	flags=$($LFS changelog $MDT0 | grep RENME | tail -1 | cut -f5 -d' ')
+	$LFS changelog_clear $MDT0 $USER 0
+	if [ x$flags != "x0x0" ]; then
+		do_facet $SINGLEMDS $LCTL --device $MDT0 changelog_deregister \
+			$USER
+		error "flag $flags is not 0x0"
+	fi
+	echo "rename overwrite a target having nlink > 1," \
+		"changelog record has flags of $flags"
+
+	# rename doesn't overwrite a target (changelog flag 0x0)
+	touch $DIR/$tdir/foo_161c
+	mv -f $DIR/$tdir/foo_161c $DIR/$tdir/foo2_161c
+	$LFS changelog $MDT0 | grep RENME
+	flags=$($LFS changelog $MDT0 | grep RENME | tail -1 | cut -f5 -d' ')
+	$LFS changelog_clear $MDT0 $USER 0
+	if [ x$flags != "x0x0" ]; then
+		do_facet $SINGLEMDS $LCTL --device $MDT0 changelog_deregister \
+			$USER
+		error "flag $flags is not 0x0"
+	fi
+	echo "rename doesn't overwrite a target," \
+		"changelog record has flags of $flags"
+
+	# define CLF_UNLINK_LAST 0x0001
+	# unlink a file having nlink = 1 (changelog flag 0x1)
+	rm -f $DIR/$tdir/foo2_161c
+	$LFS changelog $MDT0 | grep UNLNK
+	flags=$($LFS changelog $MDT0 | grep UNLNK | tail -1 | cut -f5 -d' ')
+	$LFS changelog_clear $MDT0 $USER 0
+	if [ x$flags != "x0x1" ]; then
+		do_facet $SINGLEMDS $LCTL --device $MDT0 changelog_deregister \
+			$USER
+		error "flag $flags is not 0x1"
+	fi
+	echo "unlink a file having nlink = 1," \
+		"changelog record has flags of $flags"
+
+	# unlink a file having nlink > 1 (changelog flag 0x0)
+	ln -f $DIR/$tdir/bar_161c $DIR/$tdir/foobar_161c
+	rm -f $DIR/$tdir/foobar_161c
+	$LFS changelog $MDT0 | grep UNLNK
+	flags=$($LFS changelog $MDT0 | grep UNLNK | tail -1 | cut -f5 -d' ')
+	$LFS changelog_clear $MDT0 $USER 0
+	if [ x$flags != "x0x0" ]; then
+		do_facet $SINGLEMDS $LCTL --device $MDT0 changelog_deregister \
+			$USER
+		error "flag $flags is not 0x0"
+	fi
+	echo "unlink a file having nlink > 1," \
+		"changelog record has flags of $flags"
+	do_facet $SINGLEMDS $LCTL --device $MDT0 changelog_deregister $USER
+}
+run_test 161c "check CL_RENME[UNLINK] changelog record flags"
+
 check_path() {
     local expected=$1
     shift
@@ -10654,14 +10862,15 @@ test_213() {
 run_test 213 "OSC lock completion and cancel race don't crash - bug 18829"
 
 test_214() { # for bug 20133
-	test_mkdir -p $DIR/d214p/d214c
+	mkdir -p $DIR/$tdir/d214c || error "mkdir $DIR/$tdir/d214c failed"
 	for (( i=0; i < 340; i++ )) ; do
-		touch $DIR/d214p/d214c/a$i
+		touch $DIR/$tdir/d214c/a$i
 	done
 
-	ls -l $DIR/d214p || error "ls -l $DIR/d214p failed"
-	mv $DIR/d214p/d214c $DIR/ || error "mv $DIR/d214p/d214c $DIR/ failed"
+	ls -l $DIR/$tdir || error "ls -l $DIR/d214p failed"
+	mv $DIR/$tdir/d214c $DIR/ || error "mv $DIR/d214p/d214c $DIR/ failed"
 	ls $DIR/d214c || error "ls $DIR/d214c failed"
+	rm -rf $DIR/$tdir || error "rm -rf $DIR/d214* failed"
 	rm -rf $DIR/d214* || error "rm -rf $DIR/d214* failed"
 }
 run_test 214 "hash-indexed directory test - bug 20133"
@@ -11321,26 +11530,13 @@ test_229() { # LU-2482, LU-3448
 	[ $stripe_count -eq 2 ] || error "stripe count not 2 ($stripe_count)"
 	stat $DIR/$tfile || error "failed to stat released file"
 
-	$TRUNCATE $DIR/$tfile 200000 &&
-		error "truncate of released file should fail"
-
-	# Ensure that nothing happened anyway.
-	$CHECKSTAT -s 0 $DIR/$tfile ||
-		error "released file size should not change"
-
-	# Stripe count should be no change after truncate
-	stripe_count=$($GETSTRIPE -c $DIR/$tfile) || error "getstripe failed"
-	[ $stripe_count -eq 2 ] || error "after trunc: ($stripe_count)"
-
 	chown $RUNAS_ID $DIR/$tfile ||
 		error "chown $RUNAS_ID $DIR/$tfile failed"
 
 	chgrp $RUNAS_ID $DIR/$tfile ||
 		error "chgrp $RUNAS_ID $DIR/$tfile failed"
 
-	touch $DIR/$tfile ||
-		error "touch $DIR/$tfile failed"
-
+	touch $DIR/$tfile || error "touch $DIR/$tfile failed"
 	rm $DIR/$tfile || error "failed to remove released file"
 }
 run_test 229 "getstripe/stat/rm/attr changes work on released files"
@@ -11491,11 +11687,12 @@ test_234() {
 	touch $DIR/$tdir/$tfile || error "touch failed"
 	# OBD_FAIL_LLITE_XATTR_ENOMEM
 	$LCTL set_param fail_loc=0x1405
-	setfattr -n user.attr -v value $DIR/$tdir/$tfile &&
-		error "setfattr should have failed with ENOMEM"
-	# attr pre-2.4.44-7 had a bug with rc
-	getfattr -n user.attr $DIR/$tdir/$tfile &&
-		error "getfattr should have failed with ENOMEM"
+	if [ ! -f /etc/SuSE-release ]; then
+		# attr pre-2.4.44-7 had a bug with rc
+		# LU-3703 - SLES clients have older attr
+		getfattr -n user.attr $DIR/$tdir/$tfile &&
+			error "getfattr should have failed with ENOMEM"
+	fi
 	$LCTL set_param fail_loc=0x0
 	rm -rf $DIR/$tdir
 
@@ -11520,6 +11717,32 @@ test_235() {
 }
 run_test 235 "LU-1715: flock deadlock detection does not work properly"
 
+#LU-2935
+test_236() {
+	check_swap_layouts_support && return 0
+	test_mkdir -p $DIR/$tdir || error "mkdir $tdir failed"
+
+	local ref1=/etc/passwd
+	local ref2=/etc/group
+	local file1=$DIR/$tdir/f1
+	local file2=$DIR/$tdir/f2
+
+	$SETSTRIPE -c 1 $file1 || error "cannot setstripe on '$file1': rc = $?"
+	cp $ref1 $file1 || error "cp $ref1 $file1 failed: rc = $?"
+	$SETSTRIPE -c 2 $file2 || error "cannot setstripe on '$file2': rc = $?"
+	cp $ref2 $file2 || error "cp $ref2 $file2 failed: rc = $?"
+	exec {FD}<>$file2
+	rm $file2
+	$LFS swap_layouts $file1 /proc/self/fd/${FD} ||
+		error "cannot swap layouts of '$file1' and /proc/self/fd/${FD}"
+	exec {FD}>&-
+	cmp $ref2 $file1 || error "content compare failed ($ref2 != $file1)"
+
+	#cleanup
+	rm -rf $DIR/$tdir
+}
+run_test 236 "Layout swap on open unlinked file"
+
 #
 # tests that do cleanup/setup should be run at the end
 #