}
run_test 409 "Large amount of cross-MDTs hard links on the same file"
+prep_801() {
+ start_full_debug_logging
+ # cleanup unused barrier locks before test
+ do_facet mgs $LCTL barrier_rescan $FSNAME ||
+ error "Fail to prep barrier test env"
+}
+
+post_801() {
+ stop_full_debug_logging
+}
+
+test_801a() {
+ prep_801
+
+ #define OBD_FAIL_BARRIER_DELAY 0x2202
+ do_facet mgs $LCTL set_param fail_val=3 fail_loc=0x2202
+ do_facet mgs $LCTL barrier_freeze $FSNAME 10 &
+
+ sleep 1
+ local b_status=$(do_facet mgs $LCTL barrier_stat $FSNAME |
+ awk '/The barrier for/ { print $7 }')
+ [ "$b_status" = "'freezing_p1'" ] ||
+ error "(1) unexpected barrier status $b_status"
+
+ do_facet mgs $LCTL set_param fail_val=0 fail_loc=0
+ wait
+ b_status=$(do_facet mgs $LCTL barrier_stat $FSNAME |
+ awk '/The barrier for/ { print $7 }')
+ [ "$b_status" = "'frozen'" ] ||
+ error "(2) unexpected barrier status $b_status"
+
+ local expired=$(do_facet mgs $LCTL barrier_stat $FSNAME |
+ awk '/will be expired/ { print $7 }')
+ echo "sleep $((expired + 3)) seconds, then the barrier will be expired"
+ sleep $((expired + 3))
+
+ b_status=$(do_facet mgs $LCTL barrier_stat $FSNAME |
+ awk '/The barrier for/ { print $7 }')
+ [ "$b_status" = "'expired'" ] ||
+ error "(3) unexpected barrier status $b_status"
+
+ do_facet mgs $LCTL barrier_freeze $FSNAME 10 ||
+ error "(4) fail to freeze barrier"
+
+ b_status=$(do_facet mgs $LCTL barrier_stat $FSNAME |
+ awk '/The barrier for/ { print $7 }')
+ [ "$b_status" = "'frozen'" ] ||
+ error "(5) unexpected barrier status $b_status"
+
+ #define OBD_FAIL_BARRIER_DELAY 0x2202
+ do_facet mgs $LCTL set_param fail_val=3 fail_loc=0x2202
+ do_facet mgs $LCTL barrier_thaw $FSNAME &
+
+ sleep 1
+ b_status=$(do_facet mgs $LCTL barrier_stat $FSNAME |
+ awk '/The barrier for/ { print $7 }')
+ [ "$b_status" = "'thawing'" ] ||
+ error "(6) unexpected barrier status $b_status"
+
+ do_facet mgs $LCTL set_param fail_val=0 fail_loc=0
+ wait
+ b_status=$(do_facet mgs $LCTL barrier_stat $FSNAME |
+ awk '/The barrier for/ { print $7 }')
+ [ "$b_status" = "'thawed'" ] ||
+ error "(7) unexpected barrier status $b_status"
+
+ #define OBD_FAIL_BARRIER_FAILURE 0x2203
+ do_facet $SINGLEMDS $LCTL set_param fail_loc=0x2203
+ do_facet mgs $LCTL barrier_freeze $FSNAME
+
+ b_status=$(do_facet mgs $LCTL barrier_stat $FSNAME |
+ awk '/The barrier for/ { print $7 }')
+ [ "$b_status" = "'failed'" ] ||
+ error "(8) unexpected barrier status $b_status"
+
+ do_facet $SINGLEMDS $LCTL set_param fail_loc=0
+ do_facet mgs $LCTL barrier_thaw $FSNAME
+
+ post_801
+}
+run_test 801a "write barrier user interfaces and stat machine"
+
+test_801b() {
+ prep_801
+
+ mkdir $DIR/$tdir || error "(1) fail to mkdir"
+ createmany -d $DIR/$tdir/d 6 || "(2) fail to mkdir"
+ touch $DIR/$tdir/d2/f10 || error "(3) fail to touch"
+ touch $DIR/$tdir/d3/f11 || error "(4) fail to touch"
+ touch $DIR/$tdir/d4/f12 || error "(5) fail to touch"
+
+ cancel_lru_locks mdc
+
+ # 180 seconds should be long enough
+ do_facet mgs $LCTL barrier_freeze $FSNAME 180
+
+ local b_status=$(do_facet mgs $LCTL barrier_stat $FSNAME |
+ awk '/The barrier for/ { print $7 }')
+ [ "$b_status" = "'frozen'" ] ||
+ error "(6) unexpected barrier status $b_status"
+
+ mkdir $DIR/$tdir/d0/d10 &
+ mkdir_pid=$!
+
+ touch $DIR/$tdir/d1/f13 &
+ touch_pid=$!
+
+ ln $DIR/$tdir/d2/f10 $DIR/$tdir/d2/f14 &
+ ln_pid=$!
+
+ mv $DIR/$tdir/d3/f11 $DIR/$tdir/d3/f15 &
+ mv_pid=$!
+
+ rm -f $DIR/$tdir/d4/f12 &
+ rm_pid=$!
+
+ stat $DIR/$tdir/d5 || error "(7) stat should succeed"
+
+ # To guarantee taht the 'stat' is not blocked
+ b_status=$(do_facet mgs $LCTL barrier_stat $FSNAME |
+ awk '/The barrier for/ { print $7 }')
+ [ "$b_status" = "'frozen'" ] ||
+ error "(8) unexpected barrier status $b_status"
+
+ # let above commands to run at background
+ sleep 5
+
+ ps -p $mkdir_pid || error "(9) mkdir should be blocked"
+ ps -p $touch_pid || error "(10) touch should be blocked"
+ ps -p $ln_pid || error "(11) link should be blocked"
+ ps -p $mv_pid || error "(12) rename should be blocked"
+ ps -p $rm_pid || error "(13) unlink should be blocked"
+
+ b_status=$(do_facet mgs $LCTL barrier_stat $FSNAME |
+ awk '/The barrier for/ { print $7 }')
+ [ "$b_status" = "'frozen'" ] ||
+ error "(14) unexpected barrier status $b_status"
+
+ do_facet mgs $LCTL barrier_thaw $FSNAME
+ b_status=$(do_facet mgs $LCTL barrier_stat $FSNAME |
+ awk '/The barrier for/ { print $7 }')
+ [ "$b_status" = "'thawed'" ] ||
+ error "(15) unexpected barrier status $b_status"
+
+ wait $mkdir_pid || error "(16) mkdir should succeed"
+ wait $touch_pid || error "(17) touch should succeed"
+ wait $ln_pid || error "(18) link should succeed"
+ wait $mv_pid || error "(19) rename should succeed"
+ wait $rm_pid || error "(20) unlink should succeed"
+
+ post_801
+}
+run_test 801b "modification will be blocked by write barrier"
+
+test_801c() {
+ [[ $MDSCOUNT -lt 2 ]] && skip "needs >= 2 MDTs" && return
+
+ prep_801
+
+ stop mds2 || error "(1) Fail to stop mds2"
+
+ do_facet mgs $LCTL barrier_freeze $FSNAME 30
+
+ local b_status=$(do_facet mgs $LCTL barrier_stat $FSNAME |
+ awk '/The barrier for/ { print $7 }')
+ [ "$b_status" = "'expired'" -o "$b_status" = "'failed'" ] || {
+ do_facet mgs $LCTL barrier_thaw $FSNAME
+ error "(2) unexpected barrier status $b_status"
+ }
+
+ do_facet mgs $LCTL barrier_rescan $FSNAME ||
+ error "(3) Fail to rescan barrier bitmap"
+
+ do_facet mgs $LCTL barrier_freeze $FSNAME 10
+
+ b_status=$(do_facet mgs $LCTL barrier_stat $FSNAME |
+ awk '/The barrier for/ { print $7 }')
+ [ "$b_status" = "'frozen'" ] ||
+ error "(4) unexpected barrier status $b_status"
+
+ do_facet mgs $LCTL barrier_thaw $FSNAME
+ b_status=$(do_facet mgs $LCTL barrier_stat $FSNAME |
+ awk '/The barrier for/ { print $7 }')
+ [ "$b_status" = "'thawed'" ] ||
+ error "(5) unexpected barrier status $b_status"
+
+ local devname=$(mdsdevname 2)
+
+ start mds2 $devname $MDS_MOUNT_OPTS || error "(6) Fail to start mds2"
+
+ do_facet mgs $LCTL barrier_rescan $FSNAME ||
+ error "(7) Fail to rescan barrier bitmap"
+
+ post_801
+}
+run_test 801c "rescan barrier bitmap"
+
#
# tests that do cleanup/setup should be run at the end
#
git://git.whamcloud.com / fs / lustre-release.git / blobdiff