LU-15132 hsm: Protect against parallel HSM restore requests

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

diff --git a/lustre/tests/sanity-hsm.sh b/lustre/tests/sanity-hsm.sh
index 1830789..b234123 100755 (executable)
--- a/lustre/tests/sanity-hsm.sh
+++ b/lustre/tests/sanity-hsm.sh
@@ -1384,6 +1384,37 @@ test_12r() {
 }
 run_test 12r "lseek restores released file"
 
+test_12s() {
+       local f=$DIR/$tdir/$tfile
+       local fid
+       local pid1 pid2
+
+       (( MDS1_VERSION >= $(version_code 2.15.50) )) ||
+               skip "Need MDS version newer than 2.15.50"
+
+       # test needs a running copytool
+       copytool setup
+
+       mkdir_on_mdt0 $DIR/$tdir
+       fid=$(copy_file /etc/hosts $f)
+
+       $LFS hsm_archive $f || error "archive of $f failed"
+       wait_request_state $fid ARCHIVE SUCCEED
+       $LFS hsm_release $f || error "release of $f failed"
+
+#define OBD_FAIL_ONCE|OBD_FAIL_MDS_HSM_RESTORE_RACE 0x8000018b
+       do_facet mds1 $LCTL set_param fail_loc=0x8000018b
+       cat $f > /dev/null & pid1=$!
+       cat $f > /dev/null & pid2=$!
+
+       wait $pid1 || error "cat process 1 fail (pid: $pid1)"
+       wait $pid2 || error "cat process 2 fail (pid: $pid2)"
+
+       # Race exists if more than 1 restore requests is registered
+       assert_request_count $fid RESTORE 1
+}
+run_test 12s "race between restore requests"
+
 test_13() {
        local -i i j k=0
        for i in {1..10}; do