Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6

[sfrench/cifs-2.6.git] / block / as-iosched.c

diff --git a/block/as-iosched.c b/block/as-iosched.c
index f371c9359999aa7627be436940ceee1d14c7164e..109e91b91ffaa403dcb56e828798d923ebec0a50 100644 (file)
--- a/block/as-iosched.c
+++ b/block/as-iosched.c
@@ -569,7 +569,7 @@ static void as_update_iohist(struct as_data *ad, struct as_io_context *aic,
 static int as_close_req(struct as_data *ad, struct as_io_context *aic,
                        struct request *rq)
 {
-       unsigned long delay;    /* milliseconds */
+       unsigned long delay;    /* jiffies */
        sector_t last = ad->last_sector[ad->batch_data_dir];
        sector_t next = rq->sector;
        sector_t delta; /* acceptable close offset (in sectors) */
@@ -578,11 +578,11 @@ static int as_close_req(struct as_data *ad, struct as_io_context *aic,
        if (ad->antic_status == ANTIC_OFF || !ad->ioc_finished)
                delay = 0;
        else
-               delay = ((jiffies - ad->antic_start) * 1000) / HZ;
+               delay = jiffies - ad->antic_start;
 
        if (delay == 0)
                delta = 8192;
-       else if (delay <= 20 && delay <= ad->antic_expire)
+       else if (delay <= (20 * HZ / 1000) && delay <= ad->antic_expire)
                delta = 8192 << delay;
        else
                return 1;
@@ -1306,7 +1306,7 @@ static void as_exit_queue(elevator_t *e)
        struct as_data *ad = e->elevator_data;
 
        del_timer_sync(&ad->antic_timer);
-       kblockd_flush();
+       kblockd_flush_work(&ad->antic_work);
 
        BUG_ON(!list_empty(&ad->fifo_list[REQ_SYNC]));
        BUG_ON(!list_empty(&ad->fifo_list[REQ_ASYNC]));
@@ -1318,7 +1318,7 @@ static void as_exit_queue(elevator_t *e)
 /*
  * initialize elevator private data (as_data).
  */
-static void *as_init_queue(request_queue_t *q, elevator_t *e)
+static void *as_init_queue(request_queue_t *q)
 {
        struct as_data *ad;
 
@@ -1462,20 +1462,7 @@ static struct elevator_type iosched_as = {
 
 static int __init as_init(void)
 {
-       int ret;
-
-       ret = elv_register(&iosched_as);
-       if (!ret) {
-               /*
-                * don't allow AS to get unregistered, since we would have
-                * to browse all tasks in the system and release their
-                * as_io_context first
-                */
-               __module_get(THIS_MODULE);
-               return 0;
-       }
-
-       return ret;
+       return elv_register(&iosched_as);
 }
 
 static void __exit as_exit(void)