]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - block/blk-core.c
[SCSI] 3w-xxxx: remove unnecessary local_irq_save/restore for scsi sg copy API
[linux-2.6-omap-h63xx.git] / block / blk-core.c
index 91532f2d2fa77c2f72d360ae7431fabbbe45019a..c3df30cfb3fc332d5a503677b5b383dcf2660ec2 100644 (file)
@@ -257,7 +257,6 @@ void __generic_unplug_device(struct request_queue *q)
 
        q->request_fn(q);
 }
-EXPORT_SYMBOL(__generic_unplug_device);
 
 /**
  * generic_unplug_device - fire a request queue
@@ -515,6 +514,7 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
        init_timer(&q->unplug_timer);
        setup_timer(&q->timeout, blk_rq_timed_out_timer, (unsigned long) q);
        INIT_LIST_HEAD(&q->timeout_list);
+       INIT_WORK(&q->unplug_work, blk_unplug_work);
 
        kobject_init(&q->kobj, &blk_queue_ktype);
 
@@ -1018,8 +1018,9 @@ static void part_round_stats_single(int cpu, struct hd_struct *part,
 }
 
 /**
- * part_round_stats()  - Round off the performance stats on a struct
- * disk_stats.
+ * part_round_stats() - Round off the performance stats on a struct disk_stats.
+ * @cpu: cpu number for stats access
+ * @part: target partition
  *
  * The average IO queue length and utilisation statistics are maintained
  * by observing the current state of the queue length and the amount of
@@ -1090,8 +1091,15 @@ void init_request_from_bio(struct request *req, struct bio *bio)
        /*
         * inherit FAILFAST from bio (for read-ahead, and explicit FAILFAST)
         */
-       if (bio_rw_ahead(bio) || bio_failfast(bio))
-               req->cmd_flags |= REQ_FAILFAST;
+       if (bio_rw_ahead(bio))
+               req->cmd_flags |= (REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
+                                  REQ_FAILFAST_DRIVER);
+       if (bio_failfast_dev(bio))
+               req->cmd_flags |= REQ_FAILFAST_DEV;
+       if (bio_failfast_transport(bio))
+               req->cmd_flags |= REQ_FAILFAST_TRANSPORT;
+       if (bio_failfast_driver(bio))
+               req->cmd_flags |= REQ_FAILFAST_DRIVER;
 
        /*
         * REQ_BARRIER implies no merging, but lets make it explicit