LU-14594 ptlrpc: do not match reply with resent RPC

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

diff --git a/lustre/tests/sanityn.sh b/lustre/tests/sanityn.sh
index 1dd0838..860a4a9 100755 (executable)
--- a/lustre/tests/sanityn.sh
+++ b/lustre/tests/sanityn.sh
@@ -5606,6 +5606,48 @@ test_109() {
 
 run_test 109 "Race with several mount instances on 1 node"
 
+test_110() {
+       local before=$(date +%s)
+       local evict
+
+       mkdir -p $DIR/$tdir
+       touch $DIR/$tdir/f1
+       touch $DIR/$tfile
+
+       #define OBD_FAIL_PTLRPC_RESEND_RACE      0x525
+       do_facet mds1 lctl set_param fail_loc=0x525 fail_val=3
+
+       # disable last_xid logic by dropping link reply
+       ln $DIR/$tdir/f1 $DIR/$tdir/f2 &
+       sleep 1
+
+       #define OBD_FAIL_PTLRPC_ENQ_RESEND      0x534
+       do_facet mds1 lctl set_param fail_loc=0x534
+
+       # RPC will race with its Resend and the Resend will sleep to let
+       # the original lock to get granted & cancelled.
+       #
+       # AST_SENT is set artificially, so an explicit conflict is not needed
+       #
+       # The woken up Resend gets a new lock, but client does not wait for it
+       stat $DIR/$tfile
+       sleep $TIMEOUT
+       do_facet mds1 lctl set_param fail_loc=0 fail_val=0
+
+       # Take a conflict to wait long enough to see the eviction
+       touch $DIR2/$tfile
+
+       # let the client reconnect
+       client_reconnect
+       evict=$(do_facet client $LCTL get_param mdc.$FSNAME-MDT*.state |
+         awk -F"[ [,]" '/EVICTED ]$/ { if (mx<$5) {mx=$5;} } END { print mx }')
+
+       [ -z "$evict" ] || [[ $evict -le $before ]] ||
+               (do_facet client $LCTL get_param mdc.$FSNAME-MDT*.state;
+                   error "eviction happened: $evict before:$before")
+}
+run_test 110 "do not grant another lock on resend"
+
 log "cleanup: ======================================================"
 
 # kill and wait in each test only guarentee script finish, but command in script