*/
int ib_flush_fmr_pool(struct ib_fmr_pool *pool)
{
- int serial;
-
- atomic_inc(&pool->req_ser);
- /*
- * It's OK if someone else bumps req_ser again here -- we'll
- * just wait a little longer.
- */
- serial = atomic_read(&pool->req_ser);
+ int serial = atomic_inc_return(&pool->req_ser);
wake_up_process(pool->thread);
if (wait_event_interruptible(pool->force_wait,
- atomic_read(&pool->flush_ser) -
- atomic_read(&pool->req_ser) >= 0))
+ atomic_read(&pool->flush_ser) - serial >= 0))
return -EINTR;
return 0;