permission_epoch 28 fs/coda/cache.c static atomic_t permission_epoch = ATOMIC_INIT(0); permission_epoch 36 fs/coda/cache.c cii->c_cached_epoch = atomic_read(&permission_epoch); permission_epoch 50 fs/coda/cache.c cii->c_cached_epoch = atomic_read(&permission_epoch) - 1; permission_epoch 57 fs/coda/cache.c atomic_inc(&permission_epoch); permission_epoch 70 fs/coda/cache.c cii->c_cached_epoch == atomic_read(&permission_epoch);