+test_184d() {
+ check_swap_layouts_support && return 0
+
+ local file1=$DIR/$tdir/$tfile-1
+ local file2=$DIR/$tdir/$tfile-2
+ local file3=$DIR/$tdir/$tfile-3
+ local lovea1
+ local lovea2
+
+ mkdir -p $DIR/$tdir
+ touch $file1 || error "create $file1 failed"
+ $OPENFILE -f O_CREAT:O_LOV_DELAY_CREATE $file2 ||
+ error "create $file2 failed"
+ $OPENFILE -f O_CREAT:O_LOV_DELAY_CREATE $file3 ||
+ error "create $file3 failed"
+ lovea1=$($LFS getstripe $file1 | sed 1d)
+
+ $LFS swap_layouts $file2 $file3 ||
+ error "swap $file2 $file3 layouts failed"
+ $LFS swap_layouts $file1 $file2 ||
+ error "swap $file1 $file2 layouts failed"
+
+ lovea2=$($LFS getstripe $file2 | sed 1d)
+ [ "$lovea1" == "$lovea2" ] || error "lovea $lovea1 != $lovea2"
+
+ lovea1=$(getfattr -n trusted.lov $file1 | grep ^trusted)
+ [ -z $lovea1 ] || error "$file1 shouldn't have lovea"
+}
+run_test 184d "allow stripeless layouts swap"
+
+
+test_185() { # LU-2441
+ mkdir -p $DIR/$tdir || error "creating dir $DIR/$tdir"
+ touch $DIR/$tdir/spoo
+ local mtime1=$(stat -c "%Y" $DIR/$tdir)
+ local fid=$($MULTIOP $DIR/$tdir VFw4096c) ||
+ error "cannot create/write a volatile file"
+ $CHECKSTAT -t file $MOUNT/.lustre/fid/$fid 2>/dev/null &&
+ error "FID is still valid after close"
+
+ multiop_bg_pause $DIR/$tdir vVw4096_c
+ local multi_pid=$!
+
+ local OLD_IFS=$IFS
+ IFS=":"
+ local fidv=($fid)
+ IFS=$OLD_IFS
+ # assume that the next FID for this client is sequential, since stdout
+ # is unfortunately eaten by multiop_bg_pause
+ local n=$((${fidv[1]} + 1))
+ local next_fid="${fidv[0]}:$(printf "0x%x" $n):${fidv[2]}"
+ $CHECKSTAT -t file $MOUNT/.lustre/fid/$next_fid ||
+ error "FID is missing before close"
+ kill -USR1 $multi_pid
+ # 1 second delay, so if mtime change we will see it
+ sleep 1
+ local mtime2=$(stat -c "%Y" $DIR/$tdir)
+ [[ $mtime1 == $mtime2 ]] || error "mtime has changed"
+}
+run_test 185 "Volatile file support"
+