LU-8907 llite: handle client racy case during create

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

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index 75bb587..c7dde17 100755 (executable)
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -11206,6 +11206,55 @@ test_161c() {
 }
 run_test 161c "check CL_RENME[UNLINK] changelog record flags"
 
+test_161d() {
+       local user
+       local pid
+       local fid
+
+       # cleanup previous run
+       rm -rf $DIR/$tdir/$tfile
+
+       user=$(do_facet $SINGLEMDS $LCTL --device $MDT0 \
+               changelog_register -n)
+       [[ $? -eq 0 ]] || error "changelog_register failed"
+
+       # work in a standalone dir to avoid locking on $DIR/$MOUNT to
+       # interfer with $MOUNT/.lustre/fid/ access
+       mkdir $DIR/$tdir
+       [[ $? -eq 0 ]] || error "mkdir failed"
+
+       #define OBD_FAIL_LLITE_CREATE_NODE_PAUSE 0x140c | OBD_FAIL_ONCE
+       $LCTL set_param fail_loc=0x8000140c
+       # 5s pause
+       $LCTL set_param fail_val=5
+
+       # create file
+       echo foofoo > $DIR/$tdir/$tfile &
+       pid=$!
+
+       # wait for create to be delayed
+       sleep 2
+
+       ps -q $pid
+       [[ $? -eq 0 ]] || error "create should be blocked"
+
+       local tempfile=$(mktemp)
+       fid=$(changelog_extract_field $MDT0 "CREAT" "$tfile" "t=")
+       cat $MOUNT/.lustre/fid/$fid 2>/dev/null >$tempfile || error "cat failed"
+       # some delay may occur during ChangeLog publishing and file read just
+       # above, that could allow file write to happen finally
+       [[ -s $tempfile ]] && echo "file should be empty"
+
+       $LCTL set_param fail_loc=0
+
+       wait $pid
+       [[ $? -eq 0 ]] || error "create failed"
+
+       $LFS changelog_clear $MDT0 $user 0
+       do_facet $SINGLEMDS $LCTL --device $MDT0 changelog_deregister $user
+}
+run_test 161d "create with concurrent .lustre/fid access"
+
 check_path() {
     local expected=$1
     shift