LU-3285 mds: combine DoM bit with other IBITS

[fs/lustre-release.git] / lustre / tests / sanityn.sh

diff --git a/lustre/tests/sanityn.sh b/lustre/tests/sanityn.sh
index e7ce1d7..173f039 100755 (executable)
--- a/lustre/tests/sanityn.sh
+++ b/lustre/tests/sanityn.sh
@@ -4012,6 +4012,143 @@ test_93() {
 }
 run_test 93 "alloc_rr should not allocate on same ost"
 
+# Data-on-MDT tests
+test_100a() {
+       skip "Reserved for glimpse-ahead" && return
+       mkdir -p $DIR/$tdir
+
+       $SETSTRIPE -E 1024K -L mdt -E EOF $DIR/$tdir/dom
+
+       lctl set_param -n mdc.*.stats=clear
+       dd if=/dev/zero of=$DIR2/$tdir/dom bs=4096 count=1 || return 1
+
+       $CHECKSTAT -t file -s 4096 $DIR/$tdir/dom || error "stat #1"
+       # first stat from server should return size data and save glimpse
+       local reads=$(lctl get_param -n mdc.*.stats | \
+               awk '/ldlm_glimpse/ {print $2}')
+       [ -z $reads ] || error "Unexpected $reads glimpse RPCs"
+       # second stat to check size is NOT cached on client without IO lock
+       $CHECKSTAT -t file -s 4096 $DIR/$tdir/dom || error "stat #2"
+
+       local reads=$(lctl get_param -n mdc.*.stats | \
+               awk '/ldlm_glimpse/ {print $2}')
+       [ "1" == "$reads" ] || error "Expect 1 glimpse RPCs but got $reads"
+       rm -f $dom
+}
+run_test 100a "DoM: glimpse RPCs for stat without IO lock (DoM only file)"
+
+test_100b() {
+       mkdir -p $DIR/$tdir
+
+       $SETSTRIPE -E 1024K -L mdt -E EOF $DIR/$tdir/dom
+
+       lctl set_param -n mdc.*.stats=clear
+       dd if=/dev/zero of=$DIR2/$tdir/dom bs=4096 count=1 || return 1
+       cancel_lru_locks mdc
+       # first stat data from server should have size
+       $CHECKSTAT -t file -s 4096 $DIR/$tdir/dom || error "stat #1"
+       # second stat to check size is cached on client
+       $CHECKSTAT -t file -s 4096 $DIR/$tdir/dom || error "stat #2"
+
+       local reads=$(lctl get_param -n mdc.*.stats | \
+               awk '/ldlm_glimpse/ {print $2}')
+       # both stats should cause no glimpse requests
+       [ -z $reads ] || error "Unexpected $reads glimpse RPCs"
+       rm -f $dom
+}
+run_test 100b "DoM: no glimpse RPC for stat with IO lock (DoM only file)"
+
+test_100c() {
+       mkdir -p $DIR/$tdir
+
+       $SETSTRIPE -E 1024K -L mdt -E EOF $DIR/$tdir/dom
+
+       lctl set_param -n mdc.*.stats=clear
+       lctl set_param -n osc.*.stats=clear
+       dd if=/dev/zero of=$DIR2/$tdir/dom bs=2048K count=1 || return 1
+
+       # check that size is merged from MDT and OST correctly
+       $CHECKSTAT -t file -s 2097152 $DIR/$tdir/dom ||
+               error "Wrong size from stat #1"
+
+       local reads=$(lctl get_param -n osc.*.stats | grep ldlm_glimpse | wc -l)
+       [ $reads -eq 0 ] && error "Expect OST glimpse RPCs but got none"
+
+       rm -f $dom
+}
+run_test 100c "DoM: write vs stat without IO lock (combined file)"
+
+test_100d() {
+       mkdir -p $DIR/$tdir
+
+       $SETSTRIPE -E 1024K -L mdt -E EOF $DIR/$tdir/dom
+
+
+       dd if=/dev/zero of=$DIR2/$tdir/dom bs=2048K count=1 || return 1
+       lctl set_param -n mdc.*.stats=clear
+       $TRUNCATE $DIR2/$tdir/dom 4096
+
+       # check that reported size is valid after file grows to OST and
+       # is truncated back to MDT stripe size
+       $CHECKSTAT -t file -s 4096 $DIR/$tdir/dom ||
+               error "Wrong size from stat #1"
+
+       local reads=$(lctl get_param -n osc.*.stats | grep ldlm_glimpse | wc -l)
+       [ $reads -eq 0 ] && error "Expect OST glimpse but got none"
+
+       rm -f $dom
+}
+run_test 100d "DoM: write+truncate vs stat without IO lock (combined file)"
+
+
+test_101a() {
+       $LFS setstripe -E 1024K -L mdt -E EOF $DIR1/$tfile
+       lctl set_param -n mdc.*.stats=clear
+       # to get layout
+       $CHECKSTAT -t file $DIR1/$tfile
+       # open + IO lock
+       dd if=/dev/zero of=$DIR1/$tfile bs=4096 count=1 || error "Write fails"
+       # must discard pages
+       rm $DIR2/$tfile || error "Unlink fails"
+       local writes=$(lctl get_param -n mdc.*.stats | grep ost_write | wc -l)
+       [ $writes -eq 0 ] || error "Found WRITE RPC but expect none"
+}
+run_test 101a "Discard DoM data on unlink"
+
+test_101b() {
+       $LFS setstripe -E 1024K -L mdt -E EOF $DIR1/$tfile
+       touch $DIR1/${tfile}_2
+       lctl set_param -n mdc.*.stats=clear
+       # to get layout
+       $CHECKSTAT -t file $DIR1/$tfile
+       # open + IO lock
+       dd if=/dev/zero of=$DIR1/$tfile bs=4096 count=1 || error "Write fails"
+       # must discard pages
+       mv $DIR2/${tfile}_2 $DIR2/$tfile || error "Rename fails"
+       local writes=$(lctl get_param -n mdc.*.stats | grep ost_write | wc -l)
+       [ $writes -eq 0 ] || error "Found WRITE RPC but expect none"
+}
+run_test 101b "Discard DoM data on rename"
+
+test_101c() {
+       $LFS setstripe -E 1024K -L mdt -E EOF $DIR1/$tfile
+       lctl set_param -n mdc.*.stats=clear
+       # to get layout
+       $CHECKSTAT -t file $DIR1/$tfile
+       # open + IO lock
+       dd if=/dev/zero of=$DIR1/$tfile bs=4096 count=1 || error "Write fails"
+
+       $MULTIOP $DIR1/$tfile O_c &
+       MULTIOP_PID=$!
+       sleep 2
+       rm $DIR2/$tfile > /dev/null || error "Unlink fails"
+       kill -USR1 $MULTIOP_PID || return 2
+       wait $MULTIOP_PID || return 3
+       local writes=$(lctl get_param -n mdc.*.stats | grep ost_write | wc -l)
+       [ $writes -eq 0 ] || error "Found WRITE RPC but expect none"
+}
+run_test 101c "Discard DoM data on close-unlink"
+
 log "cleanup: ======================================================"
 
 # kill and wait in each test only guarentee script finish, but command in script