LU-2020 sanity: test 140 should allow 40 consecutive symlink

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

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index 789f3af..4675399 100644 (file)
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -7790,8 +7790,9 @@ test_140() { #bug-17379
         cd $DIR/$tdir || error "Changing to $DIR/$tdir"
         cp /usr/bin/stat . || error "Copying stat to $DIR/$tdir"
 
-        # VFS limits max symlink depth to 5(4KSTACK) or 7(8KSTACK) or 8
-        local i=0
+       # VFS limits max symlink depth to 5(4KSTACK) or 7(8KSTACK) or 8
+       # For kernel > 3.5, bellow only tests consecutive symlink (MAX 40)
+       local i=0
         while i=`expr $i + 1`; do
                 mkdir -p $i || error "Creating dir $i"
                 cd $i || error "Changing to $i"
@@ -7811,7 +7812,14 @@ test_140() { #bug-17379
         done
         i=`expr $i - 1`
         echo "The symlink depth = $i"
-        [ $i -eq 5 -o $i -eq 7 -o $i -eq 8 ] || error "Invalid symlink depth"
+       [ $i -eq 5 -o $i -eq 7 -o $i -eq 8 -o $i -eq 40 ] ||
+                                       error "Invalid symlink depth"
+
+       # Test recursive symlink
+       ln -s symlink_self symlink_self
+       $OPENFILE -f O_RDONLY symlink_self >/dev/null 2>&1; ret=$?
+       echo "open symlink_self returns $ret"
+       [ $ret -eq 40 ] || error "recursive symlink doesn't return -ELOOP"
 }
 run_test 140 "Check reasonable stack depth (shouldn't LBUG) ===="