[PATCH] hpfs: cleanup ->setattr

[pandora-kernel.git] / block / elevator.c

diff --git a/block/elevator.c b/block/elevator.c
index 8e3fc3a..59173a6 100644 (file)
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -36,6 +36,8 @@
 #include <linux/hash.h>
 #include <linux/uaccess.h>
 
+#include "blk.h"
+
 static DEFINE_SPINLOCK(elv_list_lock);
 static LIST_HEAD(elv_list);
 
@@ -610,7 +612,7 @@ void elv_insert(struct request_queue *q, struct request *rq, int where)
                 *   processing.
                 */
                blk_remove_plug(q);
-               q->request_fn(q);
+               blk_start_queueing(q);
                break;
 
        case ELEVATOR_INSERT_SORT:
@@ -752,7 +754,7 @@ struct request *elv_next_request(struct request_queue *q)
                 * not ever see it.
                 */
                if (blk_empty_barrier(rq)) {
-                       end_queued_request(rq, 1);
+                       __blk_end_request(rq, 0, blk_rq_bytes(rq));
                        continue;
                }
                if (!(rq->cmd_flags & REQ_STARTED)) {
@@ -771,6 +773,12 @@ struct request *elv_next_request(struct request_queue *q)
                         */
                        rq->cmd_flags |= REQ_STARTED;
                        blk_add_trace_rq(q, rq, BLK_TA_ISSUE);
+
+                       /*
+                        * We are now handing the request to the hardware,
+                        * add the timeout handler
+                        */
+                       blk_add_timer(rq);
                }
 
                if (!q->boundary_rq || q->boundary_rq == rq) {
@@ -817,7 +825,7 @@ struct request *elv_next_request(struct request_queue *q)
                        break;
                } else if (ret == BLKPREP_KILL) {
                        rq->cmd_flags |= REQ_QUIET;
-                       end_queued_request(rq, 0);
+                       __blk_end_request(rq, -EIO, blk_rq_bytes(rq));
                } else {
                        printk(KERN_ERR "%s: bad return=%d\n", __func__, ret);
                        break;
@@ -906,6 +914,19 @@ int elv_may_queue(struct request_queue *q, int rw)
        return ELV_MQUEUE_MAY;
 }
 
+void elv_abort_queue(struct request_queue *q)
+{
+       struct request *rq;
+
+       while (!list_empty(&q->queue_head)) {
+               rq = list_entry_rq(q->queue_head.next);
+               rq->cmd_flags |= REQ_QUIET;
+               blk_add_trace_rq(q, rq, BLK_TA_ABORT);
+               __blk_end_request(rq, -EIO, blk_rq_bytes(rq));
+       }
+}
+EXPORT_SYMBOL(elv_abort_queue);
+
 void elv_completed_request(struct request_queue *q, struct request *rq)
 {
        elevator_t *e = q->elevator;
@@ -929,7 +950,7 @@ void elv_completed_request(struct request_queue *q, struct request *rq)
                    blk_ordered_cur_seq(q) == QUEUE_ORDSEQ_DRAIN &&
                    blk_ordered_req_seq(first_rq) > QUEUE_ORDSEQ_DRAIN) {
                        blk_ordered_complete_seq(q, QUEUE_ORDSEQ_DRAIN, 0);
-                       q->request_fn(q);
+                       blk_start_queueing(q);
                }
        }
 }
@@ -1088,8 +1109,7 @@ static int elevator_switch(struct request_queue *q, struct elevator_type *new_e)
        elv_drain_elevator(q);
 
        while (q->rq.elvpriv) {
-               blk_remove_plug(q);
-               q->request_fn(q);
+               blk_start_queueing(q);
                spin_unlock_irq(q->queue_lock);
                msleep(10);
                spin_lock_irq(q->queue_lock);
@@ -1145,15 +1165,10 @@ ssize_t elv_iosched_store(struct request_queue *q, const char *name,
                          size_t count)
 {
        char elevator_name[ELV_NAME_MAX];
-       size_t len;
        struct elevator_type *e;
 
-       elevator_name[sizeof(elevator_name) - 1] = '\0';
-       strncpy(elevator_name, name, sizeof(elevator_name) - 1);
-       len = strlen(elevator_name);
-
-       if (len && elevator_name[len - 1] == '\n')
-               elevator_name[len - 1] = '\0';
+       strlcpy(elevator_name, name, sizeof(elevator_name));
+       strstrip(elevator_name);
 
        e = elevator_get(elevator_name);
        if (!e) {