FILESYSTEM_MAX_STACK_DEPTH
if (s->s_stack_depth > FILESYSTEM_MAX_STACK_DEPTH) {
arg->max_stack_depth <= FILESYSTEM_MAX_STACK_DEPTH &&
sb->s_stack_depth = FILESYSTEM_MAX_STACK_DEPTH;
#define OVL_MAX_NESTING FILESYSTEM_MAX_STACK_DEPTH
if (sb->s_stack_depth > FILESYSTEM_MAX_STACK_DEPTH) {
s->s_stack_depth = FILESYSTEM_MAX_STACK_DEPTH;
#define IMA_MAX_NESTING (FILESYSTEM_MAX_STACK_DEPTH + 1)