+run_test 12 "recover from timed out resend in ptlrpcd (b=2494)"
+
+# Bug 113, check that readdir lost recv timeout works.
+test_13() {
+ mkdir /mnt/lustre/readdir || return 1
+ touch /mnt/lustre/readdir/newentry || return
+# OBD_FAIL_MDS_READPAGE_NET|OBD_FAIL_ONCE
+ do_facet mds "sysctl -w lustre.fail_loc=0x80000104"
+ ls /mnt/lustre/readdir || return 3
+ do_facet mds "sysctl -w lustre.fail_loc=0"
+ rm -rf /mnt/lustre/readdir || return 4
+}
+run_test 13 "mdc_readpage restart test (bug 1138)"
+
+# Bug 113, check that readdir lost send timeout works.
+test_14() {
+ mkdir /mnt/lustre/readdir
+ touch /mnt/lustre/readdir/newentry
+# OBD_FAIL_MDS_SENDPAGE|OBD_FAIL_ONCE
+ do_facet mds "sysctl -w lustre.fail_loc=0x80000106"
+ ls /mnt/lustre/readdir || return 1
+ do_facet mds "sysctl -w lustre.fail_loc=0"
+}
+run_test 14 "mdc_readpage resend test (bug 1138)"
+
+test_15() {
+ do_facet mds "sysctl -w lustre.fail_loc=0x80000128"
+ touch $DIR/$tfile && return 1
+ return 0
+}
+run_test 15 "failed open (-ENOMEM)"
+
+stop_read_ahead() {
+ for f in /proc/fs/lustre/llite/*/read_ahead; do
+ echo 0 > $f
+ done
+}
+
+start_read_ahead() {
+ for f in /proc/fs/lustre/llite/*/read_ahead; do
+ echo 1 > $f
+ done
+}
+
+# recovery timeout. This actually should be taken from
+# obd_timeout
+RECOV_TIMEOUT=30
+
+test_16() {
+ do_facet client cp /etc/termcap $MOUNT
+ sync
+ stop_read_ahead
+
+#define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504 | OBD_FAIL_ONCE
+ sysctl -w lustre.fail_loc=0x80000504
+ cancel_lru_locks OSC
+ # will get evicted here
+ do_facet client "cmp /etc/termcap $MOUNT/termcap" && return 1
+ sysctl -w lustre.fail_loc=0
+ # give recovery a chance to finish (shouldn't take long)
+ sleep $RECOV_TIMEOUT
+ do_facet client "cmp /etc/termcap $MOUNT/termcap" || return 2
+ start_read_ahead
+}
+run_test 16 "timeout bulk put, evict client (2732)"
+
+test_17() {
+ # OBD_FAIL_PTLRPC_BULK_GET_NET 0x0503 | OBD_FAIL_ONCE
+ # client will get evicted here
+ sysctl -w lustre.fail_loc=0x80000503
+ do_facet client cp /etc/termcap $DIR/$tfile
+
+ sleep $RECOV_TIMEOUT
+ sysctl -w lustre.fail_loc=0
+ do_facet client "df $DIR"
+ # expect cmp to fail
+ do_facet client "cmp /etc/termcap $DIR/$tfile" && return 1
+ do_facet client "rm $DIR/$tfile" || return 2
+ return 0
+}
+run_test 17 "timeout bulk get, evict client (2732)"
+
+test_18a() {
+ do_facet client mkdir -p $MOUNT/$tdir
+ f=$MOUNT/$tdir/$tfile
+
+ cancel_lru_locks OSC
+ pgcache_empty || return 1
+
+ # 1 stripe on ost2
+ lfs setstripe $f $((128 * 1024)) 1 1
+
+ do_facet client cp /etc/termcap $f
+ sync
+ local osc2_dev=`$LCTL device_list | \
+ awk '(/ost2.*client_facet/){print $4}' `
+ $LCTL --device %$osc2_dev deactivate
+ # my understanding is that there should be nothing in the page
+ # cache after the client reconnects?
+ rc=0
+ pgcache_empty || rc=2
+ $LCTL --device %$osc2_dev activate
+ rm -f $f
+ return $rc
+}
+run_test 18a "manual ost invalidate clears page cache immediately"
+
+test_18b() {
+# OBD_FAIL_PTLRPC_BULK_PUT_NET|OBD_FAIL_ONCE
+ do_facet client mkdir -p $MOUNT/$tdir
+ f=$MOUNT/$tdir/$tfile
+ f2=$MOUNT/$tdir/${tfile}-2
+
+ cancel_lru_locks OSC
+ pgcache_empty || return 1
+
+ # shouldn't have to set stripe size of count==1
+ lfs setstripe $f $((128 * 1024)) 0 1
+ lfs setstripe $f2 $((128 * 1024)) 0 1
+
+ do_facet client cp /etc/termcap $f
+ sync
+ # just use this write to trigger the client's eviction from the ost
+ sysctl -w lustre.fail_loc=0x80000503
+ do_facet client dd if=/dev/zero of=$f2 bs=4k count=1
+ sync
+ sysctl -w lustre.fail_loc=0
+ # allow recovery to complete
+ sleep $((TIMEOUT + 2))
+ # my understanding is that there should be nothing in the page
+ # cache after the client reconnects?
+ rc=0
+ pgcache_empty || rc=2
+ rm -f $f $f2
+ return $rc
+}
+run_test 18b "eviction and reconnect clears page cache (2766)"
+
+test_19a() {
+ f=$MOUNT/$tfile
+ do_facet client mcreate $f || return 1
+ drop_ldlm_cancel "chmod 0777 $f" || echo evicted
+
+ do_facet client checkstat -v -p 0777 $f || echo evicted
+ # let the client reconnect
+ sleep 5
+ do_facet client "munlink $f"
+}
+run_test 19a "test expired_lock_main on mds (2867)"
+
+test_19b() {
+ f=$MOUNT/$tfile
+ do_facet client multiop $f Ow || return 1
+ do_facet client multiop $f or || return 2
+
+ cancel_lru_locks OSC
+
+ do_facet client multiop $f or || return 3
+ drop_ldlm_cancel multiop $f Ow || echo "client evicted, as expected"
+
+ do_facet client munlink $f || return 4
+}
+run_test 19b "test expired_lock_main on ost (2867)"
+
+test_20a() { # bug 2983 - ldlm_handle_enqueue cleanup
+ mkdir -p $DIR/$tdir
+ multiop $DIR/$tdir/${tfile} O_wc &
+ MULTI_PID=$!
+ sleep 1
+ cancel_lru_locks OSC
+#define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
+ do_facet ost sysctl -w lustre.fail_loc=0x80000308
+ kill -USR1 $MULTI_PID
+ wait $MULTI_PID
+ rc=$?
+ [ $rc -eq 0 ] && error "multiop didn't fail enqueue: rc $rc" || true
+}
+run_test 20a "ldlm_handle_enqueue error (should return error)"
+
+test_20b() { # bug 2986 - ldlm_handle_enqueue error during open
+ mkdir -p $DIR/$tdir
+ touch $DIR/$tdir/${tfile}
+ cancel_lru_locks OSC
+#define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
+ do_facet ost sysctl -w lustre.fail_loc=0x80000308
+ dd if=/etc/hosts of=$DIR/$tdir/$tfile && \
+ error "didn't fail open enqueue" || true
+}
+run_test 20b "ldlm_handle_enqueue error (should return error)"
+
+test_21a() {
+ mkdir -p $DIR/$tdir-1
+ mkdir -p $DIR/$tdir-2
+ multiop $DIR/$tdir-1/f O_c &
+ close_pid=$!
+
+ do_facet mds "sysctl -w lustre.fail_loc=0x80000129"
+ multiop $DIR/$tdir-2/f Oc &
+ open_pid=$!
+ sleep 1
+ do_facet mds "sysctl -w lustre.fail_loc=0"
+
+ do_facet mds "sysctl -w lustre.fail_loc=0x80000115"
+ kill -USR1 $close_pid
+ cancel_lru_locks MDC # force the close
+ wait $close_pid || return 1
+ wait $open_pid || return 2
+ do_facet mds "sysctl -w lustre.fail_loc=0"
+
+ $CHECKSTAT -t file $DIR/$tdir-1/f || return 3
+ $CHECKSTAT -t file $DIR/$tdir-2/f || return 4
+
+ rm -rf $DIR/$tdir-*
+}
+run_test 21a "drop close request while close and open are both in flight"
+
+test_21b() {
+ mkdir -p $DIR/$tdir-1
+ mkdir -p $DIR/$tdir-2
+ multiop $DIR/$tdir-1/f O_c &
+ close_pid=$!
+
+ do_facet mds "sysctl -w lustre.fail_loc=0x80000107"
+ mcreate $DIR/$tdir-2/f &
+ open_pid=$!
+ sleep 1
+ do_facet mds "sysctl -w lustre.fail_loc=0"
+
+ kill -USR1 $close_pid
+ cancel_lru_locks MDC # force the close
+ wait $close_pid || return 1
+ wait $open_pid || return 3
+
+ $CHECKSTAT -t file $DIR/$tdir-1/f || return 4
+ $CHECKSTAT -t file $DIR/$tdir-2/f || return 5
+ rm -rf $DIR/$tdir-*
+}
+run_test 21b "drop open request while close and open are both in flight"
+
+test_21c() {
+ mkdir -p $DIR/$tdir-1
+ mkdir -p $DIR/$tdir-2
+ multiop $DIR/$tdir-1/f O_c &
+ close_pid=$!
+
+ do_facet mds "sysctl -w lustre.fail_loc=0x80000107"
+ mcreate $DIR/$tdir-2/f &
+ open_pid=$!
+ sleep 3
+ do_facet mds "sysctl -w lustre.fail_loc=0"
+
+ do_facet mds "sysctl -w lustre.fail_loc=0x80000115"
+ kill -USR1 $close_pid
+ cancel_lru_locks MDC # force the close
+ wait $close_pid || return 1
+ wait $open_pid || return 2
+
+ do_facet mds "sysctl -w lustre.fail_loc=0"
+
+ $CHECKSTAT -t file $DIR/$tdir-1/f || return 2
+ $CHECKSTAT -t file $DIR/$tdir-2/f || return 3
+ rm -rf $DIR/$tdir-*
+}
+run_test 21c "drop both request while close and open are both in flight"
+
+test_21d() {
+ mkdir -p $DIR/$tdir-1
+ mkdir -p $DIR/$tdir-2
+ multiop $DIR/$tdir-1/f O_c &
+ pid=$!
+
+ do_facet mds "sysctl -w lustre.fail_loc=0x80000129"
+ multiop $DIR/$tdir-2/f Oc &
+ sleep 1
+ do_facet mds "sysctl -w lustre.fail_loc=0"
+
+ do_facet mds "sysctl -w lustre.fail_loc=0x80000122"
+ kill -USR1 $pid
+ cancel_lru_locks MDC # force the close
+ wait $pid || return 1
+ do_facet mds "sysctl -w lustre.fail_loc=0"
+
+ $CHECKSTAT -t file $DIR/$tdir-1/f || return 2
+ $CHECKSTAT -t file $DIR/$tdir-2/f || return 3
+
+ rm -rf $DIR/$tdir-*
+}
+run_test 21d "drop close reply while close and open are both in flight"
+
+test_21e() {
+ mkdir -p $DIR/$tdir-1
+ mkdir -p $DIR/$tdir-2
+ multiop $DIR/$tdir-1/f O_c &
+ pid=$!
+
+ do_facet mds "sysctl -w lustre.fail_loc=0x80000119"
+ touch $DIR/$tdir-2/f &
+ sleep 1
+ do_facet mds "sysctl -w lustre.fail_loc=0"
+
+ kill -USR1 $pid
+ cancel_lru_locks MDC # force the close
+ wait $pid || return 1
+
+ sleep $TIMEOUT
+ $CHECKSTAT -t file $DIR/$tdir-1/f || return 2
+ $CHECKSTAT -t file $DIR/$tdir-2/f || return 3
+ rm -rf $DIR/$tdir-*
+}
+run_test 21e "drop open reply while close and open are both in flight"
+
+test_21f() {
+ mkdir -p $DIR/$tdir-1
+ mkdir -p $DIR/$tdir-2
+ multiop $DIR/$tdir-1/f O_c &
+ pid=$!
+
+ do_facet mds "sysctl -w lustre.fail_loc=0x80000119"
+ touch $DIR/$tdir-2/f &
+ sleep 1
+ do_facet mds "sysctl -w lustre.fail_loc=0"
+
+ do_facet mds "sysctl -w lustre.fail_loc=0x80000122"
+ kill -USR1 $pid
+ cancel_lru_locks MDC # force the close
+ wait $pid || return 1
+ do_facet mds "sysctl -w lustre.fail_loc=0"
+
+ $CHECKSTAT -t file $DIR/$tdir-1/f || return 2
+ $CHECKSTAT -t file $DIR/$tdir-2/f || return 3
+ rm -rf $DIR/$tdir-*
+}
+run_test 21f "drop both reply while close and open are both in flight"
+
+test_21g() {
+ mkdir -p $DIR/$tdir-1
+ mkdir -p $DIR/$tdir-2
+ multiop $DIR/$tdir-1/f O_c &
+ pid=$!
+
+ do_facet mds "sysctl -w lustre.fail_loc=0x80000119"
+ touch $DIR/$tdir-2/f &
+ sleep 1
+ do_facet mds "sysctl -w lustre.fail_loc=0"
+
+ do_facet mds "sysctl -w lustre.fail_loc=0x80000115"
+ kill -USR1 $pid
+ cancel_lru_locks MDC # force the close
+ wait $pid || return 1
+ do_facet mds "sysctl -w lustre.fail_loc=0"
+
+ $CHECKSTAT -t file $DIR/$tdir-1/f || return 2
+ $CHECKSTAT -t file $DIR/$tdir-2/f || return 3
+ rm -rf $DIR/$tdir-*
+}
+run_test 21g "drop open reply and close request while close and open are both in flight"
+
+test_21h() {
+ mkdir -p $DIR/$tdir-1
+ mkdir -p $DIR/$tdir-2
+ multiop $DIR/$tdir-1/f O_c &
+ pid=$!
+
+ do_facet mds "sysctl -w lustre.fail_loc=0x80000107"
+ touch $DIR/$tdir-2/f &
+ touch_pid=$!
+ sleep 1
+ do_facet mds "sysctl -w lustre.fail_loc=0"
+
+ do_facet mds "sysctl -w lustre.fail_loc=0x80000122"
+ cancel_lru_locks MDC # force the close
+ kill -USR1 $pid
+ wait $pid || return 1
+ do_facet mds "sysctl -w lustre.fail_loc=0"
+
+ wait $touch_pid || return 2
+
+ $CHECKSTAT -t file $DIR/$tdir-1/f || return 3
+ $CHECKSTAT -t file $DIR/$tdir-2/f || return 4
+ rm -rf $DIR/$tdir-*
+}
+run_test 21h "drop open request and close reply while close and open are both in flight"
+
+# bug 3462 - multiple MDC requests
+test_22() {
+ f1=$DIR/${tfile}-1
+ f2=$DIR/${tfile}-2
+
+ do_facet mds "sysctl -w lustre.fail_loc=0x80000115"
+ multiop $f2 Oc &
+ close_pid=$!
+
+ sleep 1
+ multiop $f1 msu || return 1
+
+ cancel_lru_locks MDC # force the close
+ do_facet mds "sysctl -w lustre.fail_loc=0"
+
+ wait $close_pid || return 2
+ rm -rf $f2 || return 4
+}
+run_test 22 "drop close request and do mknod"
+
+test_23() { #b=4561
+ multiop $DIR/$tfile O_c &
+ pid=$!
+ # give a chance for open
+ sleep 5
+
+ # try the close
+ drop_request "kill -USR1 $pid"
+
+ fail mds
+ wait $pid || return 1
+ return 0
+}
+#run_test 23 "client hang when close a file after mds crash"