options: add log_compression_cpus option

[fio.git] / workqueue.c

diff --git a/workqueue.c b/workqueue.c
index b9b098668094143f4a3e998d7f1294aca1dfac32..5fd95b905aa8dff77090fcebdd7d1459a8b38067 100644 (file)
--- a/workqueue.c
+++ b/workqueue.c
@@ -1,5 +1,5 @@
 /*
- * Rated submission helpers
+ * Generic workqueue offload mechanism
  *
  * Copyright (C) 2015 Jens Axboe <axboe@kernel.dk>
  *
@@ -9,7 +9,6 @@
 #include "fio.h"
 #include "flist.h"
 #include "workqueue.h"
-#include "lib/getrusage.h"
 
 enum {
        SW_F_IDLE       = 1 << 0,
@@ -99,23 +98,20 @@ void workqueue_flush(struct workqueue *wq)
 /*
  * Must be serialized by caller. Returns true for queued, false for busy.
  */
-bool workqueue_enqueue(struct workqueue *wq, struct workqueue_work *work)
+void workqueue_enqueue(struct workqueue *wq, struct workqueue_work *work)
 {
        struct submit_worker *sw;
 
        sw = get_submit_worker(wq);
-       if (sw) {
-               pthread_mutex_lock(&sw->lock);
-               flist_add_tail(&work->list, &sw->work_list);
-               sw->seq = ++wq->work_seq;
-               sw->flags &= ~SW_F_IDLE;
-               pthread_mutex_unlock(&sw->lock);
+       assert(sw);
 
-               pthread_cond_signal(&sw->cond);
-               return true;
-       }
+       pthread_mutex_lock(&sw->lock);
+       flist_add_tail(&work->list, &sw->work_list);
+       sw->seq = ++wq->work_seq;
+       sw->flags &= ~SW_F_IDLE;
+       pthread_mutex_unlock(&sw->lock);
 
-       return false;
+       pthread_cond_signal(&sw->cond);
 }
 
 static void handle_list(struct submit_worker *sw, struct flist_head *list)
@@ -238,6 +234,9 @@ void workqueue_exit(struct workqueue *wq)
        struct submit_worker *sw;
        int i;
 
+       if (!wq->workers)
+               return;
+
        for (i = 0; i < wq->max_workers; i++) {
                sw = &wq->workers[i];
 
@@ -262,6 +261,7 @@ void workqueue_exit(struct workqueue *wq)
        } while (shutdown && shutdown != wq->max_workers);
 
        free(wq->workers);
+       wq->workers = NULL;
        pthread_mutex_destroy(&wq->flush_lock);
        pthread_cond_destroy(&wq->flush_cond);
        pthread_mutex_destroy(&wq->stat_lock);