LU-13546 pcc: exclude mmap_sanity tst8/tst9 from test list

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

diff --git a/lustre/tests/sanity-pcc.sh b/lustre/tests/sanity-pcc.sh
index 16515b6..a03f0fa 100644 (file)
--- a/lustre/tests/sanity-pcc.sh
+++ b/lustre/tests/sanity-pcc.sh
@@ -681,6 +681,7 @@ test_4() {
        local loopfile="$TMP/$tfile"
        local mntpt="/mnt/pcc.$tdir"
        local hsm_root="$mntpt/$tdir"
+       local excepts="-e 6 -e 7 -e 8 -e 9"
 
        ! is_project_quota_supported &&
                skip "project quota is not supported" && return
@@ -694,13 +695,26 @@ test_4() {
        lfs project -sp $project_id $DIR/$tdir ||
                error "lfs project -sp $project_id $DIR/$tdir failed"
 
-       # mmap_sanity tst7 failed on the local ext4 filesystem.
-       # It seems that Lustre filesystem does special process for tst 7.
-       # Thus, we exclude tst7 from the PCC testing.
-       $LUSTRE/tests/mmap_sanity -d $DIR/$tdir -m $DIR2/$tdir -e 7 ||
+       # 1. mmap_sanity tst7 failed on the local ext4 filesystem.
+       #    It seems that Lustre filesystem does special process for tst 7.
+       # 2. There is a mmap problem for PCC when multiple clients read/write
+       #    on a shared mmapped file for mmap_sanity tst 6.
+       # 3. Current CentOS8 kernel does not strictly obey POSIX syntax for
+       #    mmap() within the maping but beyond current end of the underlying
+       #    files: It does not send SIGBUS signals to the process.
+       # 4. For negative file offset, sanity_mmap also failed on 48 bits
+       #    ldiksfs backend due to too large offset: "Value too large for
+       #    defined data type".
+       # mmap_sanity tst7/tst8/tst9 all failed on Lustre and local ext4.
+       # Thus, we exclude sanity tst6/tst7/tst8/tst9 from the PCC testing.
+       $LUSTRE/tests/mmap_sanity -d $DIR/$tdir -m $DIR2/$tdir $excepts ||
                error "mmap_sanity test failed"
        sync; sleep 1; sync
 
+       # Revoke the layout lock, the PCC-cached file will be
+       # detached automatically.
+       do_facet $SINGLEAGT $LCTL \
+               set_param ldlm.namespaces.*mdc*.lru_size=clear
        rm -rf $DIR/$tdir || error "failed to remove $DIR/$tdir"
 }
 run_test 4 "Auto cache test for mmap"
@@ -1463,6 +1477,9 @@ test_20() {
                error "Failed to attach $file"
        do_facet $SINGLEAGT "echo 3 > /proc/sys/vm/drop_caches"
        check_lpcc_state $file "readwrite"
+       do_facet $SINGLEAGT "echo 3 > /proc/sys/vm/drop_caches"
+       do_facet $SINGLEAGT "echo 3 > /proc/sys/vm/drop_caches"
+       check_lpcc_state $file "readwrite"
        do_facet $SINGLEAGT $LFS pcc detach $file ||
                error "Failed to detach $file"
 }