JBD2_MAX_SLABS
static struct kmem_cache *jbd2_slab[JBD2_MAX_SLABS];
static const char *jbd2_slab_names[JBD2_MAX_SLABS] = {
for (i = 0; i < JBD2_MAX_SLABS; i++) {
if (i >= JBD2_MAX_SLABS)
BUG_ON(i >= JBD2_MAX_SLABS);