CDEBUG(D_VFSTRACE, "VFS Op\n");
/* Limit the recursive symlink depth to 5 instead of default
- * 8 links when kernel has 4k stack to prevent stack overflow. */
- if (THREAD_SIZE < 8192 && current->link_count >= 5) {
+ * 8 links when kernel has 4k stack to prevent stack overflow.
+ * For 8k stacks we need to limit it to 7 for local servers. */
+ if (THREAD_SIZE < 8192 && current->link_count >= 6) {
+ rc = -ELOOP;
+ } else if (THREAD_SIZE == 8192 && current->link_count >= 8) {
rc = -ELOOP;
} else {
ll_inode_size_lock(inode, 0);
OFFSET=$(($OSTCOUNTi - 1))
OSTIDX=0
local OST=$(lfs osts | awk '/'${OSTIDX}': / { print $2 }' | sed -e 's/_UUID$//')
-
+
mkdir -p $DIR/$tdir
$SETSTRIPE $DIR/$tdir -c 1 # 1 stripe per file
do_facet ost$OSTIDX lctl set_param -n obdfilter.$OST.degraded 1
sleep $DELAY
createmany -o $DIR/$tdir/$tfile $OSTCOUNT
for i in `seq 0 $OFFSET`; do
- [ `$GETSTRIPE $DIR/$tdir/$tfile$i | grep -A 10 obdidx | awk '{print $1}' | grep -w "$OSTIDX"` ] &&
+ [ `$GETSTRIPE $DIR/$tdir/$tfile$i | grep -A 10 obdidx | awk '{print $1}' | grep -w "$OSTIDX"` ] &&
error "OST0 was degraded but new created file still use it"
done
do_facet ost$OSTIDX lctl set_param -n obdfilter.$OST.degraded 0
mkdir -p $DIR/$tdir
$SETSTRIPE $DIR/$tdir -c 1 # 1 stripe / file
- do_facet ost$OSTIDX lctl set_param -n obdfilter.$OST.degraded 1
- sleep $DELAY
+ do_facet ost$OSTIDX lctl set_param -n obdfilter.$OST.degraded 1
+ sleep $DELAY
createmany -o $DIR/$tdir/$tfile $OSTCOUNT
- do_facet ost$OSTIDX lctl set_param -n obdfilter.$OST.degraded 0
+ do_facet ost$OSTIDX lctl set_param -n obdfilter.$OST.degraded 0
for i in `seq 0 $OFFSET`; do
[ `$GETSTRIPE $DIR/$tdir/$tfile$i | grep -A 10 obdidx | awk '{print $1}'| grep -w "$OSTIDX"` ] || \
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 8
+ # VFS limits max symlink depth to 5(4KSTACK) or 7(8KSTACK) or 8
local i=0
while i=`expr $i + 1`; do
mkdir -p $i || error "Creating dir $i"
done
i=`expr $i - 1`
echo "The symlink depth = $i"
- [ $i -eq 4 -o $i -eq 8 ] || error "Invalid symlink depth"
+ [ $i -eq 5 -o $i -eq 7 -o $i -eq 8 ] || error "Invalid symlink depth"
}
run_test 140 "Check reasonable stack depth (shouldn't LBUG) ===="
do_nodes $list "$LCTL get_param -n obdfilter.*.stats" >$log
local ACCNUM=`awk '/^cache_hit/ {sum=sum+$2} END{print sum}' $log`
- rm -f $log
+ rm -f $log
echo $ACCNUM
}