STRIPE_SYNC_REQUESTED
if (test_bit(STRIPE_SYNC_REQUESTED, &sh->state))
if (test_bit(STRIPE_SYNC_REQUESTED, &sh->state) ||
if (test_bit(STRIPE_SYNC_REQUESTED, &sh->state))
if (test_bit(STRIPE_SYNC_REQUESTED, &sh->state) && !sh->batch_head) {
test_and_clear_bit(STRIPE_SYNC_REQUESTED, &sh->state)) {
set_bit(STRIPE_SYNC_REQUESTED, &sh->state);
(1 << STRIPE_SYNC_REQUESTED))