+ kill -USR1 $MULTIPID || return 1
+ rm -f $DIR1/f23 || error "rm -f $DIR1/f23 failed"
+ true
+}
+run_test 23 " others should see updated atime while another read===="
+
+test_24() {
+ touch $DIR1/$tfile
+ lfs df || error "lfs df failed"
+ lfs df -ih || error "lfs df -ih failed"
+ lfs df -h $DIR1 || error "lfs df -h $DIR1 failed"
+ lfs df -i $DIR2 || error "lfs df -i $DIR2 failed"
+ lfs df $DIR1/$tfile || error "lfs df $DIR1/$tfile failed"
+ lfs df -ih $DIR2/$tfile || error "lfs df -ih $DIR2/$tfile failed"
+
+ OSC=`lctl dl | awk '/-osc-|OSC.*MNT/ {print $4}' | head -n 1`
+ lctl --device %$OSC deactivate
+ lfs df -i || error "lfs df -i with deactivated OSC failed"
+ lctl --device %$OSC recover
+ lfs df || error "lfs df with reactivated OSC failed"
+}
+run_test 24 "lfs df [-ih] [path] test ========================="
+
+test_25() {
+ [ `cat $LPROC/mdc/*-mdc-*/connect_flags | grep -c acl` -lt 2 ] && echo "skipping $TESTNAME (must have acl)" && return
+
+ mkdir $DIR1/$tdir || error "mkdir $DIR1/$tdir"
+ touch $DIR1/$tdir/f1 || error "touch $DIR1/$tdir/f1"
+ 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"
+ $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"
+ $RUNAS checkstat $DIR2/$tdir/f1 || error "checkstat $DIR2/$tdir/f1 #3"
+ setfacl -m u:$RUNAS_ID:--- $DIR1/$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"
+ $RUNAS checkstat $DIR2/$tdir/f1 || error "checkstat $DIR2/$tdir/f1 #5"
+
+ rm -rf $DIR1/$tdir
+}
+run_test 25 "change ACL on one mountpoint be seen on another ==="
+
+test_26a() {
+ utime $DIR1/f26a -s $DIR2/f26a || error
+}
+run_test 26a "allow mtime to get older"
+
+test_26b() {
+ touch $DIR1/$tfile
+ sleep 1
+ echo "aaa" >> $DIR1/$tfile
+ sleep 1
+ chmod a+x $DIR2/$tfile
+ mt1=`stat -c %Y $DIR1/$tfile`
+ mt2=`stat -c %Y $DIR2/$tfile`
+
+ if [ x"$mt1" != x"$mt2" ]; then
+ error "not equal mtime, client1: "$mt1", client2: "$mt2"."
+ fi
+}
+run_test 26b "sync mtime between ost and mds"
+
+test_27() {
+ cancel_lru_locks OSC
+ lctl clear
+ dd if=/dev/zero of=$DIR2/$tfile bs=$((4096+4))k conv=notrunc count=4 seek=3 &
+ DD2_PID=$!
+ usleep 50
+ log "dd 1 started"
+
+ dd if=/dev/zero of=$DIR1/$tfile bs=$((16384-1024))k conv=notrunc count=1 seek=4 &
+ DD1_PID=$!
+ log "dd 2 started"
+
+ sleep 1
+ dd if=/dev/zero of=$DIR1/$tfile bs=8k conv=notrunc count=1 seek=0
+ log "dd 3 finished"
+ echo > $LPROC/ldlm/dump_namespaces
+ wait $DD1_PID $DD2_PID
+ [ $? -ne 0 ] && lctl dk $TMP/debug || true
+}
+run_test 27 "align non-overlapping extent locks from request ==="
+
+test_28() { # bug 9977
+ ECHO_UUID="ECHO_osc1_UUID"
+ tOST=`$LCTL dl | | awk '/-osc-|OSC.*MNT/ { print $4 }' | head -1`
+
+ lfs setstripe $DIR1/$tfile 1048576 0 2
+ tOBJID=`lfs getstripe $DIR1/$tfile | grep "^[[:space:]]\+1" | awk '{print $2}'`
+ dd if=/dev/zero of=$DIR1/$tfile bs=1024k count=2
+
+ $LCTL <<EOF
+newdev
+attach echo_client ECHO_osc1 $ECHO_UUID
+setup $tOST
+EOF
+ tECHOID=`$LCTL dl | grep $ECHO_UUID | awk '{print $1}'`
+ $LCTL --device $tECHOID destroy "${tOBJID}:0"
+
+ # reading of 1st stripe should pass
+ dd if=$DIR2/$tfile of=/dev/null bs=1024k count=1 || error
+ # reading of 2nd stripe should fail (this stripe was destroyed)
+ dd if=$DIR2/$tfile of=/dev/null bs=1024k count=1 skip=1 && error
+
+ # now, recreating test file
+ dd if=/dev/zero of=$DIR1/$tfile bs=1024k count=2 || error
+ # reading of 1st stripe should pass
+ dd if=$DIR2/$tfile of=/dev/null bs=1024k count=1 || error
+ # reading of 2nd stripe should pass
+ dd if=$DIR2/$tfile of=/dev/null bs=1024k count=1 skip=1 || error
+}
+run_test 28 "read/write/truncate file with lost stripes"
+
+test_29() { # bug 10999
+ touch $DIR1/$tfile
+ #define OBD_FAIL_LDLM_GLIMPSE 0x30f
+ sysctl -w lustre.fail_loc=0x8000030f
+ ls -l $DIR2/$tfile &
+ usleep 500
+ dd if=/dev/zero of=$DIR1/$tfile bs=4k count=1
+ wait
+}
+#bug 11549 - permanently turn test off in b1_5
+#run_test 29 "lock put race between glimpse and enqueue ========="
+
+test_30() { #bug #11110
+ rm -rf $DIR1/$tdir
+ mkdir -p $DIR1/$tdir
+ cp -f /bin/bash $DIR1/$tdir/bash
+ /bin/sh -c 'sleep 1; rm -f $DIR2/$tdir/bash; cp /bin/bash $DIR2/$tdir' &
+ err=$($DIR1/$tdir/bash -c 'sleep 2; openfile -f O_RDONLY /proc/$$/exe >& /dev/null; echo $?')
+ wait
+ [ $err -ne 116 ] && error "return code ($err) != -ESTALE" && return
+ true
+}
+
+run_test 30 "recreate file race ========="