+test_220() { #LU-325
+ remote_ost_nodsh && skip "remote OST with nodsh" && return
+ local OSTIDX=0
+
+ mkdir -p $DIR/$tdir
+ local OST=$(lfs osts | grep ${OSTIDX}": " | \
+ awk '{print $2}' | sed -e 's/_UUID$//')
+
+ # on the mdt's osc
+ local mdtosc_proc1=$(get_mdtosc_proc_path $SINGLEMDS $OST)
+ local last_id=$(do_facet $SINGLEMDS lctl get_param -n \
+ osc.$mdtosc_proc1.prealloc_last_id)
+ local next_id=$(do_facet $SINGLEMDS lctl get_param -n \
+ osc.$mdtosc_proc1.prealloc_next_id)
+
+ $LFS df -i
+
+ do_facet ost$((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
+ do_facet mgs $LCTL pool_add $FSNAME.$TESTNAME $OST || return 2
+
+ $SETSTRIPE $DIR/$tdir -i $OSTIDX -c 1 -p $FSNAME.$TESTNAME
+
+ MDSOBJS=$((last_id - next_id))
+ echo "preallocated objects on MDS is $MDSOBJS" "($last_id - $next_id)"
+
+ blocks=$($LFS df $MOUNT | awk '($1 == '$OSTIDX') { print $4 }')
+ echo "OST still has $count kbytes free"
+
+ echo "create $MDSOBJS files @next_id..."
+ createmany -o $DIR/$tdir/f $MDSOBJS || return 3
+
+ local last_id2=$(do_facet mds${MDSIDX} lctl get_param -n \
+ osc.$mdtosc_proc1.prealloc_last_id)
+ local next_id2=$(do_facet mds${MDSIDX} lctl get_param -n \
+ osc.$mdtosc_proc1.prealloc_next_id)
+
+ echo "after creation, last_id=$last_id2, next_id=$next_id2"
+ $LFS df -i
+
+ echo "cleanup..."
+
+ do_facet ost$((OSTIDX + 1)) lctl set_param fail_val=0
+ do_facet ost$((OSTIDX + 1)) lctl set_param fail_loc=0
+
+ do_facet mgs $LCTL pool_remove $FSNAME.$TESTNAME $OST || return 4
+ do_facet mgs $LCTL pool_destroy $FSNAME.$TESTNAME || return 5
+ echo "unlink $MDSOBJS files @$next_id..."
+ unlinkmany $DIR/$tdir/f $MDSOBJS || return 6
+}
+run_test 220 "preallocated MDS objects still used if ENOSPC from OST"
+
+test_221() {
+ dd if=`which date` of=$MOUNT/date oflag=sync
+ chmod +x $MOUNT/date
+
+ #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401
+ $LCTL set_param fail_loc=0x80001401
+
+ $MOUNT/date > /dev/null
+ rm -f $MOUNT/date
+}
+run_test 221 "make sure fault and truncate race to not cause OOM"
+
+test_222a () {
+ rm -rf $DIR/$tdir
+ mkdir -p $DIR/$tdir
+ $SETSTRIPE -c 1 -i 0 $DIR/$tdir
+ createmany -o $DIR/$tdir/$tfile 10
+ cancel_lru_locks mdc
+ cancel_lru_locks osc
+ #define OBD_FAIL_LDLM_AGL_DELAY 0x31a
+ $LCTL set_param fail_loc=0x31a
+ ls -l $DIR/$tdir > /dev/null || error "AGL for ls failed"
+ $LCTL set_param fail_loc=0
+ rm -r $DIR/$tdir
+}
+run_test 222a "AGL for ls should not trigger CLIO lock failure ================"
+
+test_222b () {
+ rm -rf $DIR/$tdir
+ mkdir -p $DIR/$tdir
+ $SETSTRIPE -c 1 -i 0 $DIR/$tdir
+ createmany -o $DIR/$tdir/$tfile 10
+ cancel_lru_locks mdc
+ cancel_lru_locks osc
+ #define OBD_FAIL_LDLM_AGL_DELAY 0x31a
+ $LCTL set_param fail_loc=0x31a
+ rm -r $DIR/$tdir || "AGL for rmdir failed"
+ $LCTL set_param fail_loc=0
+}
+run_test 222b "AGL for rmdir should not trigger CLIO lock failure ============="
+
+test_223 () {
+ rm -rf $DIR/$tdir
+ mkdir -p $DIR/$tdir
+ $SETSTRIPE -c 1 -i 0 $DIR/$tdir
+ createmany -o $DIR/$tdir/$tfile 10
+ cancel_lru_locks mdc
+ cancel_lru_locks osc
+ #define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b
+ $LCTL set_param fail_loc=0x31b
+ ls -l $DIR/$tdir > /dev/null || error "reenqueue failed"
+ $LCTL set_param fail_loc=0
+ rm -r $DIR/$tdir
+}
+run_test 223 "osc reenqueue if without AGL lock granted ======================="
+
+test_224a() { # LU-1039, MRP-303
+ #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB 0x508
+ $LCTL set_param fail_loc=0x508
+ dd if=/dev/zero of=$DIR/$tfile bs=4096 count=1 conv=fsync
+ $LCTL set_param fail_loc=0
+ df $DIR
+}
+run_test 224a "Don't panic on bulk IO failure"
+
+test_224b() { # LU-1039, MRP-303
+ dd if=/dev/zero of=$DIR/$tfile bs=4096 count=1
+ cancel_lru_locks osc
+ #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2 0x515
+ $LCTL set_param fail_loc=0x515
+ dd of=/dev/null if=$DIR/$tfile bs=4096 count=1
+ $LCTL set_param fail_loc=0
+ df $DIR
+}
+run_test 224b "Don't panic on bulk IO failure"
+
+MDSSURVEY=${MDSSURVEY:-$(which mds-survey 2>/dev/null || true)}
+test_225a () {
+ if [ -z ${MDSSURVEY} ]; then
+ skip_env "mds-survey not found" && return
+ fi
+ [ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.2.51) ] ||
+ { skip "Need MDS version at least 2.2.51"; return; }
+
+ local mds=$(facet_host $SINGLEMDS)
+ local target=$(do_nodes $mds 'lctl dl' | \
+ awk "{if (\$2 == \"UP\" && \$3 == \"mdt\") {print \$4}}")
+
+ local cmd1="file_count=1000 thrhi=4"
+ local cmd2="dir_count=2 layer=mdd stripe_count=0"
+ local cmd3="rslt_loc=${TMP} targets=\"$mds:$target\" $MDSSURVEY"
+ local cmd="$cmd1 $cmd2 $cmd3"
+
+ rm -f ${TMP}/mds_survey*
+ echo + $cmd
+ eval $cmd || error "mds-survey with zero-stripe failed"
+ cat ${TMP}/mds_survey*
+ rm -f ${TMP}/mds_survey*
+}
+run_test 225a "Metadata survey sanity with zero-stripe"
+
+test_225b () {
+ if [ -z ${MDSSURVEY} ]; then
+ skip_env "mds-survey not found" && return
+ fi
+ [ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.2.51) ] ||
+ { skip "Need MDS version at least 2.2.51"; return; }
+
+ if [ $($LCTL dl | grep -c osc) -eq 0 ]; then
+ skip_env "Need to mount OST to test" && return
+ fi
+
+ local mds=$(facet_host $SINGLEMDS)
+ local target=$(do_nodes $mds 'lctl dl' | \
+ awk "{if (\$2 == \"UP\" && \$3 == \"mdt\") {print \$4}}")
+
+ local cmd1="file_count=1000 thrhi=4"
+ local cmd2="dir_count=2 layer=mdd stripe_count=1"
+ local cmd3="rslt_loc=${TMP} targets=\"$mds:$target\" $MDSSURVEY"
+ local cmd="$cmd1 $cmd2 $cmd3"
+
+ rm -f ${TMP}/mds_survey*
+ echo + $cmd
+ eval $cmd || error "mds-survey with stripe_count failed"
+ cat ${TMP}/mds_survey*
+ rm -f ${TMP}/mds_survey*
+}
+run_test 225b "Metadata survey sanity with stripe_count = 1"
+
+mcreate_path2fid () {
+ local mode=$1
+ local major=$2
+ local minor=$3
+ local name=$4
+ local desc=$5
+ local path=$DIR/$tdir/$name
+ local fid
+ local rc
+ local fid_path
+
+ $MCREATE --mode=$1 --major=$2 --minor=$3 $path || \
+ error "error: cannot create $desc"
+
+ fid=$($LFS path2fid $path)
+ rc=$?
+ [ $rc -ne 0 ] && error "error: cannot get fid of a $desc"
+
+ fid_path=$($LFS fid2path $DIR $fid)
+ rc=$?
+ [ $rc -ne 0 ] && error "error: cannot get path of a $desc by fid"
+
+ [ "$path" == "$fid_path" ] || \
+ error "error: fid2path returned \`$fid_path', expected \`$path'"
+}
+
+test_226 () {
+ rm -rf $DIR/$tdir
+ mkdir -p $DIR/$tdir
+
+ mcreate_path2fid 0010666 0 0 fifo "FIFO"
+ mcreate_path2fid 0020666 1 3 null "character special file (null)"
+ mcreate_path2fid 0020666 1 255 none "character special file (no device)"
+ mcreate_path2fid 0040666 0 0 dir "directory"
+ mcreate_path2fid 0060666 7 0 loop0 "block special file (loop)"
+ mcreate_path2fid 0100666 0 0 file "regular file"
+ mcreate_path2fid 0120666 0 0 link "symbolic link"
+ mcreate_path2fid 0140666 0 0 sock "socket"
+}
+run_test 226 "call path2fid and fid2path on files of all type"
+
+# LU-1299 Executing or running ldd on a truncated executable does not
+# cause an out-of-memory condition.
+test_227() {
+ dd if=`which date` of=$MOUNT/date bs=1k count=1
+ chmod +x $MOUNT/date
+
+ $MOUNT/date > /dev/null
+ ldd $MOUNT/date > /dev/null
+ rm -f $MOUNT/date
+}
+run_test 227 "running truncated executable does not cause OOM"
+
+# LU-1512 try to reuse idle OI blocks
+test_228a() {
+ [ "$FSTYPE" != "ldiskfs" ] && skip "non-ldiskfs backend" && return
+
+ local MDT_DEV=$(mdsdevname ${SINGLEMDS//mds/})
+ local myDIR=$DIR/$tdir
+
+ mkdir -p $myDIR
+ #define OBD_FAIL_SEQ_EXHAUST 0x1002
+ $LCTL set_param fail_loc=0x80001002
+ createmany -o $myDIR/t- 10000
+ $LCTL set_param fail_loc=0
+ # The guard is current the largest FID holder
+ touch $myDIR/guard
+ local SEQ=$($LFS path2fid $myDIR/guard | awk -F ':' '{print $1}' |
+ tr -d '[')
+ local IDX=$(($SEQ % 64))
+
+ do_facet $SINGLEMDS sync
+ # Make sure journal flushed.
+ sleep 6
+ local blk1=$(do_facet $SINGLEMDS \
+ "$DEBUGFS -c -R \\\"stat oi.16.${IDX}\\\" $MDT_DEV" |
+ grep Blockcount | awk '{print $4}')
+
+ # Remove old files, some OI blocks will become idle.
+ unlinkmany $myDIR/t- 10000
+ # Create new files, idle OI blocks should be reused.
+ createmany -o $myDIR/t- 2000
+ do_facet $SINGLEMDS sync
+ # Make sure journal flushed.
+ sleep 6
+ local blk2=$(do_facet $SINGLEMDS \
+ "$DEBUGFS -c -R \\\"stat oi.16.${IDX}\\\" $MDT_DEV" |
+ grep Blockcount | awk '{print $4}')
+
+ [ $blk1 == $blk2 ] || error "old blk1=$blk1, new blk2=$blk2, unmatched!"
+}
+run_test 228a "try to reuse idle OI blocks"
+
+test_228b() {
+ [ "$FSTYPE" != "ldiskfs" ] && skip "non-ldiskfs backend" && return
+
+ local MDT_DEV=$(mdsdevname ${SINGLEMDS//mds/})
+ local myDIR=$DIR/$tdir
+
+ mkdir -p $myDIR
+ #define OBD_FAIL_SEQ_EXHAUST 0x1002
+ $LCTL set_param fail_loc=0x80001002
+ createmany -o $myDIR/t- 10000
+ $LCTL set_param fail_loc=0
+ # The guard is current the largest FID holder
+ touch $myDIR/guard
+ local SEQ=$($LFS path2fid $myDIR/guard | awk -F ':' '{print $1}' |
+ tr -d '[')
+ local IDX=$(($SEQ % 64))
+
+ do_facet $SINGLEMDS sync
+ # Make sure journal flushed.
+ sleep 6
+ local blk1=$(do_facet $SINGLEMDS \
+ "$DEBUGFS -c -R \\\"stat oi.16.${IDX}\\\" $MDT_DEV" |
+ grep Blockcount | awk '{print $4}')
+
+ # Remove old files, some OI blocks will become idle.
+ unlinkmany $myDIR/t- 10000
+
+ # stop the MDT
+ stop $SINGLEMDS || error "Fail to stop MDT."
+ # remount the MDT
+ start $SINGLEMDS $MDT_DEV $MDS_MOUNT_OPTS || error "Fail to start MDT."
+
+ df $MOUNT || error "Fail to df."
+ # Create new files, idle OI blocks should be reused.
+ createmany -o $myDIR/t- 2000
+ do_facet $SINGLEMDS sync
+ # Make sure journal flushed.
+ sleep 6
+ local blk2=$(do_facet $SINGLEMDS \
+ "$DEBUGFS -c -R \\\"stat oi.16.${IDX}\\\" $MDT_DEV" |
+ grep Blockcount | awk '{print $4}')
+
+ [ $blk1 == $blk2 ] || error "old blk1=$blk1, new blk2=$blk2, unmatched!"
+}
+run_test 228b "idle OI blocks can be reused after MDT restart"
+
+#LU-1881
+test_228c() {
+ [ "$FSTYPE" != "ldiskfs" ] && skip "non-ldiskfs backend" && return
+
+ local MDT_DEV=$(mdsdevname ${SINGLEMDS//mds/})
+ local myDIR=$DIR/$tdir
+
+ mkdir -p $myDIR
+ #define OBD_FAIL_SEQ_EXHAUST 0x1002
+ $LCTL set_param fail_loc=0x80001002
+ # 20000 files can guarantee there are index nodes in the OI file
+ createmany -o $myDIR/t- 20000
+ $LCTL set_param fail_loc=0
+ # The guard is current the largest FID holder
+ touch $myDIR/guard
+ local SEQ=$($LFS path2fid $myDIR/guard | awk -F ':' '{print $1}' |
+ tr -d '[')
+ local IDX=$(($SEQ % 64))
+
+ do_facet $SINGLEMDS sync
+ # Make sure journal flushed.
+ sleep 6
+ local blk1=$(do_facet $SINGLEMDS \
+ "$DEBUGFS -c -R \\\"stat oi.16.${IDX}\\\" $MDT_DEV" |
+ grep Blockcount | awk '{print $4}')
+
+ # Remove old files, some OI blocks will become idle.
+ unlinkmany $myDIR/t- 20000
+ rm -f $myDIR/guard
+ # The OI file should become empty now
+
+ # Create new files, idle OI blocks should be reused.
+ createmany -o $myDIR/t- 2000
+ do_facet $SINGLEMDS sync
+ # Make sure journal flushed.
+ sleep 6
+ local blk2=$(do_facet $SINGLEMDS \
+ "$DEBUGFS -c -R \\\"stat oi.16.${IDX}\\\" $MDT_DEV" |
+ grep Blockcount | awk '{print $4}')
+
+ [ $blk1 == $blk2 ] || error "old blk1=$blk1, new blk2=$blk2, unmatched!"
+}
+run_test 228c "NOT shrink the last entry in OI index node to recycle idle leaf"
+