[BLOCK] Get rid of request_queue_t typedef

Some of the code has been gradually transitioned to using the proper struct request_queue, but there's lots left. So do a full sweet of the kernel and get rid of this typedef and replace its uses with the proper type. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
author: Jens Axboe <jens.axboe@oracle.com> 2007-07-24 03:28:11 -0400
committer: Jens Axboe <jens.axboe@oracle.com> 2007-07-24 03:28:11 -0400
commit: 165125e1e480f9510a5ffcfbfee4e3ee38c05f23 (patch)
tree: 8009c8a5ff09e26dc2418d42f66ecafb055c52a2
parent: f695baf2df9e0413d3521661070103711545207a (diff)
85 files changed, 529 insertions, 510 deletions
diff --git a/Documentation/block/barrier.txt b/Documentation/block/barrier.txt
index 7d279f2f5bb..2c2f24f634e 100644
--- a/Documentation/block/barrier.txt
+++ b/Documentation/block/barrier.txt
@@ -79,9 +79,9 @@ and how to prepare flush requests.  Note that the term 'ordered' is
 used to indicate the whole sequence of performing barrier requests
 including draining and flushing.
-typedef void (prepare_flush_fn)(request_queue_t *q, struct request *rq);
+typedef void (prepare_flush_fn)(struct request_queue *q, struct request *rq);
-int blk_queue_ordered(request_queue_t *q, unsigned ordered,
+int blk_queue_ordered(struct request_queue *q, unsigned ordered,
                      prepare_flush_fn *prepare_flush_fn);
 @q                      : the queue in question
@@ -92,7 +92,7 @@ int blk_queue_ordered(request_queue_t *q, unsigned ordered,
 For example, SCSI disk driver's prepare_flush_fn looks like the
 following.
-static void sd_prepare_flush(request_queue_t *q, struct request *rq)
+static void sd_prepare_flush(struct request_queue *q, struct request *rq)
 {
        memset(rq->cmd, 0, sizeof(rq->cmd));
        rq->cmd_type = REQ_TYPE_BLOCK_PC;
diff --git a/Documentation/block/biodoc.txt b/Documentation/block/biodoc.txt
index 3adaace328a..8af392fc6ef 100644
--- a/Documentation/block/biodoc.txt
+++ b/Documentation/block/biodoc.txt
@@ -740,12 +740,12 @@ Block now offers some simple generic functionality to help support command
 queueing (typically known as tagged command queueing), ie manage more than
 one outstanding command on a queue at any given time.
-        blk_queue_init_tags(request_queue_t *q, int depth)
+        blk_queue_init_tags(struct request_queue *q, int depth)
        Initialize internal command tagging structures for a maximum
        depth of 'depth'.
-        blk_queue_free_tags((request_queue_t *q)
+        blk_queue_free_tags((struct request_queue *q)
        Teardown tag info associated with the queue. This will be done
        automatically by block if blk_queue_cleanup() is called on a queue
@@ -754,7 +754,7 @@ one outstanding command on a queue at any given time.
 The above are initialization and exit management, the main helpers during
 normal operations are:
-        blk_queue_start_tag(request_queue_t *q, struct request *rq)
+        blk_queue_start_tag(struct request_queue *q, struct request *rq)
        Start tagged operation for this request. A free tag number between
        0 and 'depth' is assigned to the request (rq->tag holds this number),
@@ -762,7 +762,7 @@ normal operations are:
        for this queue is already achieved (or if the tag wasn't started for
        some other reason), 1 is returned. Otherwise 0 is returned.
-        blk_queue_end_tag(request_queue_t *q, struct request *rq)
+        blk_queue_end_tag(struct request_queue *q, struct request *rq)
        End tagged operation on this request. 'rq' is removed from the internal
        book keeping structures.
@@ -781,7 +781,7 @@ queue. For instance, on IDE any tagged request error needs to clear both
 the hardware and software block queue and enable the driver to sanely restart
 all the outstanding requests. There's a third helper to do that:
-        blk_queue_invalidate_tags(request_queue_t *q)
+        blk_queue_invalidate_tags(struct request_queue *q)
        Clear the internal block tag queue and re-add all the pending requests
        to the request queue. The driver will receive them again on the
diff --git a/Documentation/block/request.txt b/Documentation/block/request.txt
index 75924e2a697..fff58acb40a 100644
--- a/Documentation/block/request.txt
+++ b/Documentation/block/request.txt
@@ -83,6 +83,6 @@ struct bio *bio			DBI	First bio in request
 struct bio *biotail             DBI     Last bio in request
-request_queue_t *q              DB      Request queue this request belongs to
+struct request_queue *q         DB      Request queue this request belongs to
 struct request_list *rl         B       Request list this request came from
diff --git a/Documentation/iostats.txt b/Documentation/iostats.txt
index 09a1bafe252..b963c3b4afa 100644
--- a/Documentation/iostats.txt
+++ b/Documentation/iostats.txt
@@ -79,7 +79,7 @@ Field  8 -- # of milliseconds spent writing
    measured from __make_request() to end_that_request_last()).
 Field  9 -- # of I/Os currently in progress
    The only field that should go to zero. Incremented as requests are
-    given to appropriate request_queue_t and decremented as they finish.
+    given to appropriate struct request_queue and decremented as they finish.
 Field 10 -- # of milliseconds spent doing I/Os
    This field is increases so long as field 9 is nonzero.
 Field 11 -- weighted # of milliseconds spent doing I/Os
diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c
index de7e6ef48bd..0360b1f14d1 100644
--- a/arch/arm/plat-omap/mailbox.c
+++ b/arch/arm/plat-omap/mailbox.c
@@ -161,11 +161,11 @@ static void mbox_rx_work(struct work_struct *work)
 /*
 * Mailbox interrupt handler
 */
-static void mbox_txq_fn(request_queue_t * q)
+static void mbox_txq_fn(struct request_queue * q)
 {
 }
-static void mbox_rxq_fn(request_queue_t * q)
+static void mbox_rxq_fn(struct request_queue * q)
 {
 }
@@ -180,7 +180,7 @@ static void __mbox_rx_interrupt(struct omap_mbox *mbox)
 {
        struct request *rq;
        mbox_msg_t msg;
-        request_queue_t *q = mbox->rxq->queue;
+        struct request_queue *q = mbox->rxq->queue;
        disable_mbox_irq(mbox, IRQ_RX);
@@ -297,7 +297,7 @@ static struct omap_mbox_queue *mbox_queue_alloc(struct omap_mbox *mbox,
                                        request_fn_proc * proc,
                                        void (*work) (struct work_struct *))
 {
-        request_queue_t *q;
+        struct request_queue *q;
        struct omap_mbox_queue *mq;
        mq = kzalloc(sizeof(struct omap_mbox_queue), GFP_KERNEL);
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index fc27f6c72b4..aff661fe2ee 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -469,7 +469,7 @@ __uml_help(fakehd,
 "    Change the ubd device name to \"hd\".\n\n"
 );
-static void do_ubd_request(request_queue_t * q);
+static void do_ubd_request(struct request_queue * q);
 /* Only changed by ubd_init, which is an initcall. */
 int thread_fd = -1;
@@ -1081,7 +1081,7 @@ static void prepare_request(struct request *req, struct io_thread_req *io_req,
 }
 /* Called with dev->lock held */
-static void do_ubd_request(request_queue_t *q)
+static void do_ubd_request(struct request_queue *q)
 {
        struct io_thread_req *io_req;
        struct request *req;
diff --git a/block/as-iosched.c b/block/as-iosched.c
index 3e316dd7252..dc715a562e1 100644
--- a/block/as-iosched.c
+++ b/block/as-iosched.c
@@ -796,7 +796,7 @@ static void update_write_batch(struct as_data *ad)
 * as_completed_request is to be called when a request has completed and
 * returned something to the requesting process, be it an error or data.
 */
-static void as_completed_request(request_queue_t *q, struct request *rq)
+static void as_completed_request(struct request_queue *q, struct request *rq)
 {
        struct as_data *ad = q->elevator->elevator_data;
@@ -853,7 +853,8 @@ out:
 * reference unless it replaces the request at somepart of the elevator
 * (ie. the dispatch queue)
 */
-static void as_remove_queued_request(request_queue_t *q, struct request *rq)
+static void as_remove_queued_request(struct request_queue *q,
+                                     struct request *rq)
 {
        const int data_dir = rq_is_sync(rq);
        struct as_data *ad = q->elevator->elevator_data;
@@ -978,7 +979,7 @@ static void as_move_to_dispatch(struct as_data *ad, struct request *rq)
 * read/write expire, batch expire, etc, and moves it to the dispatch
 * queue. Returns 1 if a request was found, 0 otherwise.
 */
-static int as_dispatch_request(request_queue_t *q, int force)
+static int as_dispatch_request(struct request_queue *q, int force)
 {
        struct as_data *ad = q->elevator->elevator_data;
        const int reads = !list_empty(&ad->fifo_list[REQ_SYNC]);
@@ -1139,7 +1140,7 @@ fifo_expired:
 /*
 * add rq to rbtree and fifo
 */
-static void as_add_request(request_queue_t *q, struct request *rq)
+static void as_add_request(struct request_queue *q, struct request *rq)
 {
        struct as_data *ad = q->elevator->elevator_data;
        int data_dir;
@@ -1167,7 +1168,7 @@ static void as_add_request(request_queue_t *q, struct request *rq)
        RQ_SET_STATE(rq, AS_RQ_QUEUED);
 }
-static void as_activate_request(request_queue_t *q, struct request *rq)
+static void as_activate_request(struct request_queue *q, struct request *rq)
 {
        WARN_ON(RQ_STATE(rq) != AS_RQ_DISPATCHED);
        RQ_SET_STATE(rq, AS_RQ_REMOVED);
@@ -1175,7 +1176,7 @@ static void as_activate_request(request_queue_t *q, struct request *rq)
                atomic_dec(&RQ_IOC(rq)->aic->nr_dispatched);
 }
-static void as_deactivate_request(request_queue_t *q, struct request *rq)
+static void as_deactivate_request(struct request_queue *q, struct request *rq)
 {
        WARN_ON(RQ_STATE(rq) != AS_RQ_REMOVED);
        RQ_SET_STATE(rq, AS_RQ_DISPATCHED);
@@ -1189,7 +1190,7 @@ static void as_deactivate_request(request_queue_t *q, struct request *rq)
 * is not empty - it is used in the block layer to check for plugging and
 * merging opportunities
 */
-static int as_queue_empty(request_queue_t *q)
+static int as_queue_empty(struct request_queue *q)
 {
        struct as_data *ad = q->elevator->elevator_data;
@@ -1198,7 +1199,7 @@ static int as_queue_empty(request_queue_t *q)
 }
 static int
-as_merge(request_queue_t *q, struct request **req, struct bio *bio)
+as_merge(struct request_queue *q, struct request **req, struct bio *bio)
 {
        struct as_data *ad = q->elevator->elevator_data;
        sector_t rb_key = bio->bi_sector + bio_sectors(bio);
@@ -1216,7 +1217,8 @@ as_merge(request_queue_t *q, struct request **req, struct bio *bio)
        return ELEVATOR_NO_MERGE;
 }
-static void as_merged_request(request_queue_t *q, struct request *req, int type)
+static void as_merged_request(struct request_queue *q, struct request *req,
+                              int type)
 {
        struct as_data *ad = q->elevator->elevator_data;
@@ -1234,7 +1236,7 @@ static void as_merged_request(request_queue_t *q, struct request *req, int type)
        }
 }
-static void as_merged_requests(request_queue_t *q, struct request *req,
+static void as_merged_requests(struct request_queue *q, struct request *req,
                                struct request *next)
 {
        /*
@@ -1285,7 +1287,7 @@ static void as_work_handler(struct work_struct *work)
        spin_unlock_irqrestore(q->queue_lock, flags);
 }
-static int as_may_queue(request_queue_t *q, int rw)
+static int as_may_queue(struct request_queue *q, int rw)
 {
        int ret = ELV_MQUEUE_MAY;
        struct as_data *ad = q->elevator->elevator_data;
@@ -1318,7 +1320,7 @@ static void as_exit_queue(elevator_t *e)
 /*
 * initialize elevator private data (as_data).
 */
-static void *as_init_queue(request_queue_t *q)
+static void *as_init_queue(struct request_queue *q)
 {
        struct as_data *ad;
diff --git a/block/blktrace.c b/block/blktrace.c
index 3f0e7c37c05..20c3e22587b 100644
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -231,7 +231,7 @@ static void blk_trace_cleanup(struct blk_trace *bt)
        kfree(bt);
 }
-static int blk_trace_remove(request_queue_t *q)
+static int blk_trace_remove(struct request_queue *q)
 {
        struct blk_trace *bt;
@@ -312,7 +312,7 @@ static struct rchan_callbacks blk_relay_callbacks = {
 /*
 * Setup everything required to start tracing
 */
-static int blk_trace_setup(request_queue_t *q, struct block_device *bdev,
+static int blk_trace_setup(struct request_queue *q, struct block_device *bdev,
                           char __user *arg)
 {
        struct blk_user_trace_setup buts;
@@ -401,7 +401,7 @@ err:
        return ret;
 }
-static int blk_trace_startstop(request_queue_t *q, int start)
+static int blk_trace_startstop(struct request_queue *q, int start)
 {
        struct blk_trace *bt;
        int ret;
@@ -444,7 +444,7 @@ static int blk_trace_startstop(request_queue_t *q, int start)
 **/
 int blk_trace_ioctl(struct block_device *bdev, unsigned cmd, char __user *arg)
 {
-        request_queue_t *q;
+        struct request_queue *q;
        int ret, start = 0;
        q = bdev_get_queue(bdev);
@@ -479,7 +479,7 @@ int blk_trace_ioctl(struct block_device *bdev, unsigned cmd, char __user *arg)
 * @q:    the request queue associated with the device
 *
 **/
-void blk_trace_shutdown(request_queue_t *q)
+void blk_trace_shutdown(struct request_queue *q)
 {
        if (q->blk_trace) {
                blk_trace_startstop(q, 0);
diff --git a/block/bsg.c b/block/bsg.c
index b571869928a..3b2f05258a9 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -37,7 +37,7 @@
 #define BSG_VERSION     "0.4"
 struct bsg_device {
-        request_queue_t *queue;
+        struct request_queue *queue;
        spinlock_t lock;
        struct list_head busy_list;
        struct list_head done_list;
@@ -180,7 +180,7 @@ unlock:
        return ret;
 }
-static int blk_fill_sgv4_hdr_rq(request_queue_t *q, struct request *rq,
+static int blk_fill_sgv4_hdr_rq(struct request_queue *q, struct request *rq,
                                struct sg_io_v4 *hdr, int has_write_perm)
 {
        memset(rq->cmd, 0, BLK_MAX_CDB); /* ATAPI hates garbage after CDB */
@@ -214,7 +214,7 @@ static int blk_fill_sgv4_hdr_rq(request_queue_t *q, struct request *rq,
 * Check if sg_io_v4 from user is allowed and valid
 */
 static int
-bsg_validate_sgv4_hdr(request_queue_t *q, struct sg_io_v4 *hdr, int *rw)
+bsg_validate_sgv4_hdr(struct request_queue *q, struct sg_io_v4 *hdr, int *rw)
 {
        int ret = 0;
@@ -250,7 +250,7 @@ bsg_validate_sgv4_hdr(request_queue_t *q, struct sg_io_v4 *hdr, int *rw)
 static struct request *
 bsg_map_hdr(struct bsg_device *bd, struct sg_io_v4 *hdr)
 {
-        request_queue_t *q = bd->queue;
+        struct request_queue *q = bd->queue;
        struct request *rq, *next_rq = NULL;
        int ret, rw;
        unsigned int dxfer_len;
@@ -345,7 +345,7 @@ static void bsg_rq_end_io(struct request *rq, int uptodate)
 * do final setup of a 'bc' and submit the matching 'rq' to the block
 * layer for io
 */
-static void bsg_add_command(struct bsg_device *bd, request_queue_t *q,
+static void bsg_add_command(struct bsg_device *bd, struct request_queue *q,
                            struct bsg_command *bc, struct request *rq)
 {
        rq->sense = bc->sense;
@@ -611,7 +611,7 @@ static int __bsg_write(struct bsg_device *bd, const char __user *buf,
        bc = NULL;
        ret = 0;
        while (nr_commands) {
-                request_queue_t *q = bd->queue;
+                struct request_queue *q = bd->queue;
                bc = bsg_alloc_command(bd);
                if (IS_ERR(bc)) {
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index d148ccbc36d..54dc0543900 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -71,7 +71,7 @@ struct cfq_rb_root {
 * Per block device queue structure
 */
 struct cfq_data {
-        request_queue_t *queue;
+        struct request_queue *queue;
        /*
         * rr list of queues with requests and the count of them
@@ -197,7 +197,7 @@ CFQ_CFQQ_FNS(slice_new);
 CFQ_CFQQ_FNS(sync);
 #undef CFQ_CFQQ_FNS
-static void cfq_dispatch_insert(request_queue_t *, struct request *);
+static void cfq_dispatch_insert(struct request_queue *, struct request *);
 static struct cfq_queue *cfq_get_queue(struct cfq_data *, int,
                                       struct task_struct *, gfp_t);
 static struct cfq_io_context *cfq_cic_rb_lookup(struct cfq_data *,
@@ -237,7 +237,7 @@ static inline void cfq_schedule_dispatch(struct cfq_data *cfqd)
                kblockd_schedule_work(&cfqd->unplug_work);
 }
-static int cfq_queue_empty(request_queue_t *q)
+static int cfq_queue_empty(struct request_queue *q)
 {
        struct cfq_data *cfqd = q->elevator->elevator_data;
@@ -623,7 +623,7 @@ cfq_find_rq_fmerge(struct cfq_data *cfqd, struct bio *bio)
        return NULL;
 }
-static void cfq_activate_request(request_queue_t *q, struct request *rq)
+static void cfq_activate_request(struct request_queue *q, struct request *rq)
 {
        struct cfq_data *cfqd = q->elevator->elevator_data;
@@ -641,7 +641,7 @@ static void cfq_activate_request(request_queue_t *q, struct request *rq)
        cfqd->last_position = rq->hard_sector + rq->hard_nr_sectors;
 }
-static void cfq_deactivate_request(request_queue_t *q, struct request *rq)
+static void cfq_deactivate_request(struct request_queue *q, struct request *rq)
 {
        struct cfq_data *cfqd = q->elevator->elevator_data;
@@ -665,7 +665,8 @@ static void cfq_remove_request(struct request *rq)
        }
 }
-static int cfq_merge(request_queue_t *q, struct request **req, struct bio *bio)
+static int cfq_merge(struct request_queue *q, struct request **req,
+                     struct bio *bio)
 {
        struct cfq_data *cfqd = q->elevator->elevator_data;
        struct request *__rq;
@@ -679,7 +680,7 @@ static int cfq_merge(request_queue_t *q, struct request **req, struct bio *bio)
        return ELEVATOR_NO_MERGE;
 }
-static void cfq_merged_request(request_queue_t *q, struct request *req,
+static void cfq_merged_request(struct request_queue *q, struct request *req,
                               int type)
 {
        if (type == ELEVATOR_FRONT_MERGE) {
@@ -690,7 +691,7 @@ static void cfq_merged_request(request_queue_t *q, struct request *req,
 }
 static void
-cfq_merged_requests(request_queue_t *q, struct request *rq,
+cfq_merged_requests(struct request_queue *q, struct request *rq,
                    struct request *next)
 {
        /*
@@ -703,7 +704,7 @@ cfq_merged_requests(request_queue_t *q, struct request *rq,
        cfq_remove_request(next);
 }
-static int cfq_allow_merge(request_queue_t *q, struct request *rq,
+static int cfq_allow_merge(struct request_queue *q, struct request *rq,
                           struct bio *bio)
 {
        struct cfq_data *cfqd = q->elevator->elevator_data;
@@ -913,7 +914,7 @@ static void cfq_arm_slice_timer(struct cfq_data *cfqd)
 /*
 * Move request from internal lists to the request queue dispatch list.
 */
-static void cfq_dispatch_insert(request_queue_t *q, struct request *rq)
+static void cfq_dispatch_insert(struct request_queue *q, struct request *rq)
 {
        struct cfq_data *cfqd = q->elevator->elevator_data;
        struct cfq_queue *cfqq = RQ_CFQQ(rq);
@@ -1093,7 +1094,7 @@ static int cfq_forced_dispatch(struct cfq_data *cfqd)
        return dispatched;
 }
-static int cfq_dispatch_requests(request_queue_t *q, int force)
+static int cfq_dispatch_requests(struct request_queue *q, int force)
 {
        struct cfq_data *cfqd = q->elevator->elevator_data;
        struct cfq_queue *cfqq;
@@ -1214,7 +1215,7 @@ static void cfq_exit_single_io_context(struct cfq_io_context *cic)
        struct cfq_data *cfqd = cic->key;
        if (cfqd) {
-                request_queue_t *q = cfqd->queue;
+                struct request_queue *q = cfqd->queue;
                spin_lock_irq(q->queue_lock);
                __cfq_exit_single_io_context(cfqd, cic);
@@ -1775,7 +1776,7 @@ cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq,
        }
 }
-static void cfq_insert_request(request_queue_t *q, struct request *rq)
+static void cfq_insert_request(struct request_queue *q, struct request *rq)
 {
        struct cfq_data *cfqd = q->elevator->elevator_data;
        struct cfq_queue *cfqq = RQ_CFQQ(rq);
@@ -1789,7 +1790,7 @@ static void cfq_insert_request(request_queue_t *q, struct request *rq)
        cfq_rq_enqueued(cfqd, cfqq, rq);
 }
-static void cfq_completed_request(request_queue_t *q, struct request *rq)
+static void cfq_completed_request(struct request_queue *q, struct request *rq)
 {
        struct cfq_queue *cfqq = RQ_CFQQ(rq);
        struct cfq_data *cfqd = cfqq->cfqd;
@@ -1868,7 +1869,7 @@ static inline int __cfq_may_queue(struct cfq_queue *cfqq)
        return ELV_MQUEUE_MAY;
 }
-static int cfq_may_queue(request_queue_t *q, int rw)
+static int cfq_may_queue(struct request_queue *q, int rw)
 {
        struct cfq_data *cfqd = q->elevator->elevator_data;
        struct task_struct *tsk = current;
@@ -1922,7 +1923,7 @@ static void cfq_put_request(struct request *rq)
 * Allocate cfq data structures associated with this request.
 */
 static int
-cfq_set_request(request_queue_t *q, struct request *rq, gfp_t gfp_mask)
+cfq_set_request(struct request_queue *q, struct request *rq, gfp_t gfp_mask)
 {
        struct cfq_data *cfqd = q->elevator->elevator_data;
        struct task_struct *tsk = current;
@@ -1974,7 +1975,7 @@ static void cfq_kick_queue(struct work_struct *work)
 {
        struct cfq_data *cfqd =
                container_of(work, struct cfq_data, unplug_work);
-        request_queue_t *q = cfqd->queue;
+        struct request_queue *q = cfqd->queue;
        unsigned long flags;
        spin_lock_irqsave(q->queue_lock, flags);
@@ -2072,7 +2073,7 @@ static void cfq_put_async_queues(struct cfq_data *cfqd)
 static void cfq_exit_queue(elevator_t *e)
 {
        struct cfq_data *cfqd = e->elevator_data;
-        request_queue_t *q = cfqd->queue;
+        struct request_queue *q = cfqd->queue;
        cfq_shutdown_timer_wq(cfqd);
@@ -2098,7 +2099,7 @@ static void cfq_exit_queue(elevator_t *e)
        kfree(cfqd);
 }
-static void *cfq_init_queue(request_queue_t *q)
+static void *cfq_init_queue(struct request_queue *q)
 {
        struct cfq_data *cfqd;
diff --git a/block/deadline-iosched.c b/block/deadline-iosched.c
index 87ca02ac84c..1a511ffaf8a 100644
--- a/block/deadline-iosched.c
+++ b/block/deadline-iosched.c
@@ -106,7 +106,7 @@ deadline_add_request(struct request_queue *q, struct request *rq)
 /*
 * remove rq from rbtree and fifo.
 */
-static void deadline_remove_request(request_queue_t *q, struct request *rq)
+static void deadline_remove_request(struct request_queue *q, struct request *rq)
 {
        struct deadline_data *dd = q->elevator->elevator_data;
@@ -115,7 +115,7 @@ static void deadline_remove_request(request_queue_t *q, struct request *rq)
 }
 static int
-deadline_merge(request_queue_t *q, struct request **req, struct bio *bio)
+deadline_merge(struct request_queue *q, struct request **req, struct bio *bio)
 {
        struct deadline_data *dd = q->elevator->elevator_data;
        struct request *__rq;
@@ -144,8 +144,8 @@ out:
        return ret;
 }
-static void deadline_merged_request(request_queue_t *q, struct request *req,
+static void deadline_merged_request(struct request_queue *q,
-                                    int type)
+                                    struct request *req, int type)
 {
        struct deadline_data *dd = q->elevator->elevator_data;
@@ -159,7 +159,7 @@ static void deadline_merged_request(request_queue_t *q, struct request *req,
 }
 static void
-deadline_merged_requests(request_queue_t *q, struct request *req,
+deadline_merged_requests(struct request_queue *q, struct request *req,
                         struct request *next)
 {
        /*
@@ -185,7 +185,7 @@ deadline_merged_requests(request_queue_t *q, struct request *req,
 static inline void
 deadline_move_to_dispatch(struct deadline_data *dd, struct request *rq)
 {
-        request_queue_t *q = rq->q;
+        struct request_queue *q = rq->q;
        deadline_remove_request(q, rq);
        elv_dispatch_add_tail(q, rq);
@@ -236,7 +236,7 @@ static inline int deadline_check_fifo(struct deadline_data *dd, int ddir)
 * deadline_dispatch_requests selects the best request according to
 * read/write expire, fifo_batch, etc
 */
-static int deadline_dispatch_requests(request_queue_t *q, int force)
+static int deadline_dispatch_requests(struct request_queue *q, int force)
 {
        struct deadline_data *dd = q->elevator->elevator_data;
        const int reads = !list_empty(&dd->fifo_list[READ]);
@@ -335,7 +335,7 @@ dispatch_request:
        return 1;
 }
-static int deadline_queue_empty(request_queue_t *q)
+static int deadline_queue_empty(struct request_queue *q)
 {
        struct deadline_data *dd = q->elevator->elevator_data;
@@ -356,7 +356,7 @@ static void deadline_exit_queue(elevator_t *e)
 /*
 * initialize elevator private data (deadline_data).
 */
-static void *deadline_init_queue(request_queue_t *q)
+static void *deadline_init_queue(struct request_queue *q)
 {
        struct deadline_data *dd;
diff --git a/block/elevator.c b/block/elevator.c
index d265963d1ed..c6d153de9fd 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -56,7 +56,7 @@ static const int elv_hash_shift = 6;
 */
 static int elv_iosched_allow_merge(struct request *rq, struct bio *bio)
 {
-        request_queue_t *q = rq->q;
+        struct request_queue *q = rq->q;
        elevator_t *e = q->elevator;
        if (e->ops->elevator_allow_merge_fn)
@@ -141,12 +141,13 @@ static struct elevator_type *elevator_get(const char *name)
        return e;
 }
-static void *elevator_init_queue(request_queue_t *q, struct elevator_queue *eq)
+static void *elevator_init_queue(struct request_queue *q,
+                                 struct elevator_queue *eq)
 {
        return eq->ops->elevator_init_fn(q);
 }
-static void elevator_attach(request_queue_t *q, struct elevator_queue *eq,
+static void elevator_attach(struct request_queue *q, struct elevator_queue *eq,
                           void *data)
 {
        q->elevator = eq;
@@ -172,7 +173,8 @@ __setup("elevator=", elevator_setup);
 static struct kobj_type elv_ktype;
-static elevator_t *elevator_alloc(request_queue_t *q, struct elevator_type *e)
+static elevator_t *elevator_alloc(struct request_queue *q,
+                                  struct elevator_type *e)
 {
        elevator_t *eq;
        int i;
@@ -212,7 +214,7 @@ static void elevator_release(struct kobject *kobj)
        kfree(e);
 }
-int elevator_init(request_queue_t *q, char *name)
+int elevator_init(struct request_queue *q, char *name)
 {
        struct elevator_type *e = NULL;
        struct elevator_queue *eq;
@@ -264,7 +266,7 @@ void elevator_exit(elevator_t *e)
 EXPORT_SYMBOL(elevator_exit);
-static void elv_activate_rq(request_queue_t *q, struct request *rq)
+static void elv_activate_rq(struct request_queue *q, struct request *rq)
 {
        elevator_t *e = q->elevator;
@@ -272,7 +274,7 @@ static void elv_activate_rq(request_queue_t *q, struct request *rq)
                e->ops->elevator_activate_req_fn(q, rq);
 }
-static void elv_deactivate_rq(request_queue_t *q, struct request *rq)
+static void elv_deactivate_rq(struct request_queue *q, struct request *rq)
 {
        elevator_t *e = q->elevator;
@@ -285,13 +287,13 @@ static inline void __elv_rqhash_del(struct request *rq)
        hlist_del_init(&rq->hash);
 }
-static void elv_rqhash_del(request_queue_t *q, struct request *rq)
+static void elv_rqhash_del(struct request_queue *q, struct request *rq)
 {
        if (ELV_ON_HASH(rq))
                __elv_rqhash_del(rq);
 }
-static void elv_rqhash_add(request_queue_t *q, struct request *rq)
+static void elv_rqhash_add(struct request_queue *q, struct request *rq)
 {
        elevator_t *e = q->elevator;
@@ -299,13 +301,13 @@ static void elv_rqhash_add(request_queue_t *q, struct request *rq)
        hlist_add_head(&rq->hash, &e->hash[ELV_HASH_FN(rq_hash_key(rq))]);
 }
-static void elv_rqhash_reposition(request_queue_t *q, struct request *rq)
+static void elv_rqhash_reposition(struct request_queue *q, struct request *rq)
 {
        __elv_rqhash_del(rq);
        elv_rqhash_add(q, rq);
 }
-static struct request *elv_rqhash_find(request_queue_t *q, sector_t offset)
+static struct request *elv_rqhash_find(struct request_queue *q, sector_t offset)
 {
        elevator_t *e = q->elevator;
        struct hlist_head *hash_list = &e->hash[ELV_HASH_FN(offset)];
@@ -391,7 +393,7 @@ EXPORT_SYMBOL(elv_rb_find);
 * entry.  rq is sort insted into the dispatch queue. To be used by
 * specific elevators.
 */
-void elv_dispatch_sort(request_queue_t *q, struct request *rq)
+void elv_dispatch_sort(struct request_queue *q, struct request *rq)
 {
        sector_t boundary;
        struct list_head *entry;
@@ -449,7 +451,7 @@ void elv_dispatch_add_tail(struct request_queue *q, struct request *rq)
 EXPORT_SYMBOL(elv_dispatch_add_tail);
-int elv_merge(request_queue_t *q, struct request **req, struct bio *bio)
+int elv_merge(struct request_queue *q, struct request **req, struct bio *bio)
 {
        elevator_t *e = q->elevator;
        struct request *__rq;
@@ -481,7 +483,7 @@ int elv_merge(request_queue_t *q, struct request **req, struct bio *bio)
        return ELEVATOR_NO_MERGE;
 }
-void elv_merged_request(request_queue_t *q, struct request *rq, int type)
+void elv_merged_request(struct request_queue *q, struct request *rq, int type)
 {
        elevator_t *e = q->elevator;
@@ -494,7 +496,7 @@ void elv_merged_request(request_queue_t *q, struct request *rq, int type)
        q->last_merge = rq;
 }
-void elv_merge_requests(request_queue_t *q, struct request *rq,
+void elv_merge_requests(struct request_queue *q, struct request *rq,
                             struct request *next)
 {
        elevator_t *e = q->elevator;
@@ -509,7 +511,7 @@ void elv_merge_requests(request_queue_t *q, struct request *rq,
        q->last_merge = rq;
 }
-void elv_requeue_request(request_queue_t *q, struct request *rq)
+void elv_requeue_request(struct request_queue *q, struct request *rq)
 {
        /*
         * it already went through dequeue, we need to decrement the
@@ -526,7 +528,7 @@ void elv_requeue_request(request_queue_t *q, struct request *rq)
        elv_insert(q, rq, ELEVATOR_INSERT_REQUEUE);
 }
-static void elv_drain_elevator(request_queue_t *q)
+static void elv_drain_elevator(struct request_queue *q)
 {
        static int printed;
        while (q->elevator->ops->elevator_dispatch_fn(q, 1))
@@ -540,7 +542,7 @@ static void elv_drain_elevator(request_queue_t *q)
        }
 }
-void elv_insert(request_queue_t *q, struct request *rq, int where)
+void elv_insert(struct request_queue *q, struct request *rq, int where)
 {
        struct list_head *pos;
        unsigned ordseq;
@@ -638,7 +640,7 @@ void elv_insert(request_queue_t *q, struct request *rq, int where)
        }
 }
-void __elv_add_request(request_queue_t *q, struct request *rq, int where,
+void __elv_add_request(struct request_queue *q, struct request *rq, int where,
                       int plug)
 {
        if (q->ordcolor)
@@ -676,7 +678,7 @@ void __elv_add_request(request_queue_t *q, struct request *rq, int where,
 EXPORT_SYMBOL(__elv_add_request);
-void elv_add_request(request_queue_t *q, struct request *rq, int where,
+void elv_add_request(struct request_queue *q, struct request *rq, int where,
                     int plug)
 {
        unsigned long flags;
@@ -688,7 +690,7 @@ void elv_add_request(request_queue_t *q, struct request *rq, int where,
 EXPORT_SYMBOL(elv_add_request);
-static inline struct request *__elv_next_request(request_queue_t *q)
+static inline struct request *__elv_next_request(struct request_queue *q)
 {
        struct request *rq;
@@ -704,7 +706,7 @@ static inline struct request *__elv_next_request(request_queue_t *q)
        }
 }
-struct request *elv_next_request(request_queue_t *q)
+struct request *elv_next_request(struct request_queue *q)
 {
        struct request *rq;
        int ret;
@@ -770,7 +772,7 @@ struct request *elv_next_request(request_queue_t *q)
 EXPORT_SYMBOL(elv_next_request);
-void elv_dequeue_request(request_queue_t *q, struct request *rq)
+void elv_dequeue_request(struct request_queue *q, struct request *rq)
 {
        BUG_ON(list_empty(&rq->queuelist));
        BUG_ON(ELV_ON_HASH(rq));
@@ -788,7 +790,7 @@ void elv_dequeue_request(request_queue_t *q, struct request *rq)
 EXPORT_SYMBOL(elv_dequeue_request);
-int elv_queue_empty(request_queue_t *q)
+int elv_queue_empty(struct request_queue *q)
 {
        elevator_t *e = q->elevator;
@@ -803,7 +805,7 @@ int elv_queue_empty(request_queue_t *q)
 EXPORT_SYMBOL(elv_queue_empty);
-struct request *elv_latter_request(request_queue_t *q, struct request *rq)
+struct request *elv_latter_request(struct request_queue *q, struct request *rq)
 {
        elevator_t *e = q->elevator;
@@ -812,7 +814,7 @@ struct request *elv_latter_request(request_queue_t *q, struct request *rq)
        return NULL;
 }
-struct request *elv_former_request(request_queue_t *q, struct request *rq)
+struct request *elv_former_request(struct request_queue *q, struct request *rq)
 {
        elevator_t *e = q->elevator;
@@ -821,7 +823,7 @@ struct request *elv_former_request(request_queue_t *q, struct request *rq)
        return NULL;
 }
-int elv_set_request(request_queue_t *q, struct request *rq, gfp_t gfp_mask)
+int elv_set_request(struct request_queue *q, struct request *rq, gfp_t gfp_mask)
 {
        elevator_t *e = q->elevator;
@@ -832,7 +834,7 @@ int elv_set_request(request_queue_t *q, struct request *rq, gfp_t gfp_mask)
        return 0;
 }
-void elv_put_request(request_queue_t *q, struct request *rq)
+void elv_put_request(struct request_queue *q, struct request *rq)
 {
        elevator_t *e = q->elevator;
@@ -840,7 +842,7 @@ void elv_put_request(request_queue_t *q, struct request *rq)
                e->ops->elevator_put_req_fn(rq);
 }
-int elv_may_queue(request_queue_t *q, int rw)
+int elv_may_queue(struct request_queue *q, int rw)
 {
        elevator_t *e = q->elevator;
@@ -850,7 +852,7 @@ int elv_may_queue(request_queue_t *q, int rw)
        return ELV_MQUEUE_MAY;
 }
-void elv_completed_request(request_queue_t *q, struct request *rq)
+void elv_completed_request(struct request_queue *q, struct request *rq)
 {
        elevator_t *e = q->elevator;
@@ -1006,7 +1008,7 @@ EXPORT_SYMBOL_GPL(elv_unregister);
 * need for the new one. this way we have a chance of going back to the old
 * one, if the new one fails init for some reason.
 */
-static int elevator_switch(request_queue_t *q, struct elevator_type *new_e)
+static int elevator_switch(struct request_queue *q, struct elevator_type *new_e)
 {
        elevator_t *old_elevator, *e;
        void *data;
@@ -1078,7 +1080,8 @@ fail_register:
        return 0;
 }
-ssize_t elv_iosched_store(request_queue_t *q, const char *name, size_t count)
+ssize_t elv_iosched_store(struct request_queue *q, const char *name,
+                          size_t count)
 {
        char elevator_name[ELV_NAME_MAX];
        size_t len;
@@ -1107,7 +1110,7 @@ ssize_t elv_iosched_store(request_queue_t *q, const char *name, size_t count)
        return count;
 }
-ssize_t elv_iosched_show(request_queue_t *q, char *name)
+ssize_t elv_iosched_show(struct request_queue *q, char *name)
 {
        elevator_t *e = q->elevator;
        struct elevator_type *elv = e->elevator_type;
@@ -1127,7 +1130,8 @@ ssize_t elv_iosched_show(request_queue_t *q, char *name)
        return len;
 }
-struct request *elv_rb_former_request(request_queue_t *q, struct request *rq)
+struct request *elv_rb_former_request(struct request_queue *q,
+                                      struct request *rq)
 {
        struct rb_node *rbprev = rb_prev(&rq->rb_node);
@@ -1139,7 +1143,8 @@ struct request *elv_rb_former_request(request_queue_t *q, struct request *rq)
 EXPORT_SYMBOL(elv_rb_former_request);
-struct request *elv_rb_latter_request(request_queue_t *q, struct request *rq)
+struct request *elv_rb_latter_request(struct request_queue *q,
+                                      struct request *rq)
 {
        struct rb_node *rbnext = rb_next(&rq->rb_node);
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 66056ca5e63..8c2caff87cc 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -40,7 +40,7 @@ static void blk_unplug_work(struct work_struct *work);
 static void blk_unplug_timeout(unsigned long data);
 static void drive_stat_acct(struct request *rq, int nr_sectors, int new_io);
 static void init_request_from_bio(struct request *req, struct bio *bio);
-static int __make_request(request_queue_t *q, struct bio *bio);
+static int __make_request(struct request_queue *q, struct bio *bio);
 static struct io_context *current_io_context(gfp_t gfp_flags, int node);
 /*
@@ -121,7 +121,7 @@ static void blk_queue_congestion_threshold(struct request_queue *q)
 struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev)
 {
        struct backing_dev_info *ret = NULL;
-        request_queue_t *q = bdev_get_queue(bdev);
+        struct request_queue *q = bdev_get_queue(bdev);
        if (q)
                ret = &q->backing_dev_info;
@@ -140,7 +140,7 @@ EXPORT_SYMBOL(blk_get_backing_dev_info);
 * cdb from the request data for instance.
 *
 */
-void blk_queue_prep_rq(request_queue_t *q, prep_rq_fn *pfn)
+void blk_queue_prep_rq(struct request_queue *q, prep_rq_fn *pfn)
 {
        q->prep_rq_fn = pfn;
 }
@@ -163,14 +163,14 @@ EXPORT_SYMBOL(blk_queue_prep_rq);
 * no merge_bvec_fn is defined for a queue, and only the fixed limits are
 * honored.
 */
-void blk_queue_merge_bvec(request_queue_t *q, merge_bvec_fn *mbfn)
+void blk_queue_merge_bvec(struct request_queue *q, merge_bvec_fn *mbfn)
 {
        q->merge_bvec_fn = mbfn;
 }
 EXPORT_SYMBOL(blk_queue_merge_bvec);
-void blk_queue_softirq_done(request_queue_t *q, softirq_done_fn *fn)
+void blk_queue_softirq_done(struct request_queue *q, softirq_done_fn *fn)
 {
        q->softirq_done_fn = fn;
 }
@@ -199,7 +199,7 @@ EXPORT_SYMBOL(blk_queue_softirq_done);
 *    __bio_kmap_atomic() to get a temporary kernel mapping, or by calling
 *    blk_queue_bounce() to create a buffer in normal memory.
 **/
-void blk_queue_make_request(request_queue_t * q, make_request_fn * mfn)
+void blk_queue_make_request(struct request_queue * q, make_request_fn * mfn)
 {
        /*
         * set defaults
@@ -235,7 +235,7 @@ void blk_queue_make_request(request_queue_t * q, make_request_fn * mfn)
 EXPORT_SYMBOL(blk_queue_make_request);
-static void rq_init(request_queue_t *q, struct request *rq)
+static void rq_init(struct request_queue *q, struct request *rq)
 {
        INIT_LIST_HEAD(&rq->queuelist);
        INIT_LIST_HEAD(&rq->donelist);
@@ -272,7 +272,7 @@ static void rq_init(request_queue_t *q, struct request *rq)
 *   feature should call this function and indicate so.
 *
 **/
-int blk_queue_ordered(request_queue_t *q, unsigned ordered,
+int blk_queue_ordered(struct request_queue *q, unsigned ordered,
                      prepare_flush_fn *prepare_flush_fn)
 {
        if (ordered & (QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_POSTFLUSH) &&
@@ -311,7 +311,7 @@ EXPORT_SYMBOL(blk_queue_ordered);
 *   to the block layer by defining it through this call.
 *
 **/
-void blk_queue_issue_flush_fn(request_queue_t *q, issue_flush_fn *iff)
+void blk_queue_issue_flush_fn(struct request_queue *q, issue_flush_fn *iff)
 {
        q->issue_flush_fn = iff;
 }
@@ -321,7 +321,7 @@ EXPORT_SYMBOL(blk_queue_issue_flush_fn);
 /*
 * Cache flushing for ordered writes handling
 */
-inline unsigned blk_ordered_cur_seq(request_queue_t *q)
+inline unsigned blk_ordered_cur_seq(struct request_queue *q)
 {
        if (!q->ordseq)
                return 0;
@@ -330,7 +330,7 @@ inline unsigned blk_ordered_cur_seq(request_queue_t *q)
 unsigned blk_ordered_req_seq(struct request *rq)
 {
-        request_queue_t *q = rq->q;
+        struct request_queue *q = rq->q;
        BUG_ON(q->ordseq == 0);
@@ -357,7 +357,7 @@ unsigned blk_ordered_req_seq(struct request *rq)
                return QUEUE_ORDSEQ_DONE;
 }
-void blk_ordered_complete_seq(request_queue_t *q, unsigned seq, int error)
+void blk_ordered_complete_seq(struct request_queue *q, unsigned seq, int error)
 {
        struct request *rq;
        int uptodate;
@@ -401,7 +401,7 @@ static void post_flush_end_io(struct request *rq, int error)
        blk_ordered_complete_seq(rq->q, QUEUE_ORDSEQ_POSTFLUSH, error);
 }
-static void queue_flush(request_queue_t *q, unsigned which)
+static void queue_flush(struct request_queue *q, unsigned which)
 {
        struct request *rq;
        rq_end_io_fn *end_io;
@@ -425,7 +425,7 @@ static void queue_flush(request_queue_t *q, unsigned which)
        elv_insert(q, rq, ELEVATOR_INSERT_FRONT);
 }
-static inline struct request *start_ordered(request_queue_t *q,
+static inline struct request *start_ordered(struct request_queue *q,
                                            struct request *rq)
 {
        q->bi_size = 0;
@@ -476,7 +476,7 @@ static inline struct request *start_ordered(request_queue_t *q,
        return rq;
 }
-int blk_do_ordered(request_queue_t *q, struct request **rqp)
+int blk_do_ordered(struct request_queue *q, struct request **rqp)
 {
        struct request *rq = *rqp;
        int is_barrier = blk_fs_request(rq) && blk_barrier_rq(rq);
@@ -527,7 +527,7 @@ int blk_do_ordered(request_queue_t *q, struct request **rqp)
 static int flush_dry_bio_endio(struct bio *bio, unsigned int bytes, int error)
 {
-        request_queue_t *q = bio->bi_private;
+        struct request_queue *q = bio->bi_private;
        /*
         * This is dry run, restore bio_sector and size.  We'll finish
@@ -551,7 +551,7 @@ static int flush_dry_bio_endio(struct bio *bio, unsigned int bytes, int error)
 static int ordered_bio_endio(struct request *rq, struct bio *bio,
                             unsigned int nbytes, int error)
 {
-        request_queue_t *q = rq->q;
+        struct request_queue *q = rq->q;
        bio_end_io_t *endio;
        void *private;
@@ -588,7 +588,7 @@ static int ordered_bio_endio(struct request *rq, struct bio *bio,
 *    blk_queue_bounce_limit to have lower memory pages allocated as bounce
 *    buffers for doing I/O to pages residing above @page.
 **/
-void blk_queue_bounce_limit(request_queue_t *q, u64 dma_addr)
+void blk_queue_bounce_limit(struct request_queue *q, u64 dma_addr)
 {
        unsigned long bounce_pfn = dma_addr >> PAGE_SHIFT;
        int dma = 0;
@@ -624,7 +624,7 @@ EXPORT_SYMBOL(blk_queue_bounce_limit);
 *    Enables a low level driver to set an upper limit on the size of
 *    received requests.
 **/
-void blk_queue_max_sectors(request_queue_t *q, unsigned int max_sectors)
+void blk_queue_max_sectors(struct request_queue *q, unsigned int max_sectors)
 {
        if ((max_sectors << 9) < PAGE_CACHE_SIZE) {
                max_sectors = 1 << (PAGE_CACHE_SHIFT - 9);
@@ -651,7 +651,8 @@ EXPORT_SYMBOL(blk_queue_max_sectors);
 *    physical data segments in a request.  This would be the largest sized
 *    scatter list the driver could handle.
 **/
-void blk_queue_max_phys_segments(request_queue_t *q, unsigned short max_segments)
+void blk_queue_max_phys_segments(struct request_queue *q,
+                                 unsigned short max_segments)
 {
        if (!max_segments) {
                max_segments = 1;
@@ -674,7 +675,8 @@ EXPORT_SYMBOL(blk_queue_max_phys_segments);
 *    address/length pairs the host adapter can actually give as once
 *    to the device.
 **/
-void blk_queue_max_hw_segments(request_queue_t *q, unsigned short max_segments)
+void blk_queue_max_hw_segments(struct request_queue *q,
+                               unsigned short max_segments)
 {
        if (!max_segments) {
                max_segments = 1;
@@ -695,7 +697,7 @@ EXPORT_SYMBOL(blk_queue_max_hw_segments);
 *    Enables a low level driver to set an upper limit on the size of a
 *    coalesced segment
 **/
-void blk_queue_max_segment_size(request_queue_t *q, unsigned int max_size)
+void blk_queue_max_segment_size(struct request_queue *q, unsigned int max_size)
 {
        if (max_size < PAGE_CACHE_SIZE) {
                max_size = PAGE_CACHE_SIZE;
@@ -718,7 +720,7 @@ EXPORT_SYMBOL(blk_queue_max_segment_size);
 *   even internal read-modify-write operations). Usually the default
 *   of 512 covers most hardware.
 **/
-void blk_queue_hardsect_size(request_queue_t *q, unsigned short size)
+void blk_queue_hardsect_size(struct request_queue *q, unsigned short size)
 {
        q->hardsect_size = size;
 }
@@ -735,7 +737,7 @@ EXPORT_SYMBOL(blk_queue_hardsect_size);
 * @t:  the stacking driver (top)
 * @b:  the underlying device (bottom)
 **/
-void blk_queue_stack_limits(request_queue_t *t, request_queue_t *b)
+void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b)
 {
        /* zero is "infinity" */
        t->max_sectors = min_not_zero(t->max_sectors,b->max_sectors);
@@ -756,7 +758,7 @@ EXPORT_SYMBOL(blk_queue_stack_limits);
 * @q:  the request queue for the device
 * @mask:  the memory boundary mask
 **/
-void blk_queue_segment_boundary(request_queue_t *q, unsigned long mask)
+void blk_queue_segment_boundary(struct request_queue *q, unsigned long mask)
 {
        if (mask < PAGE_CACHE_SIZE - 1) {
                mask = PAGE_CACHE_SIZE - 1;
@@ -778,7 +780,7 @@ EXPORT_SYMBOL(blk_queue_segment_boundary);
 *    this is used when buiding direct io requests for the queue.
 *
 **/
-void blk_queue_dma_alignment(request_queue_t *q, int mask)
+void blk_queue_dma_alignment(struct request_queue *q, int mask)
 {
        q->dma_alignment = mask;
 }
@@ -796,7 +798,7 @@ EXPORT_SYMBOL(blk_queue_dma_alignment);
 *
 *    no locks need be held.
 **/
-struct request *blk_queue_find_tag(request_queue_t *q, int tag)
+struct request *blk_queue_find_tag(struct request_queue *q, int tag)
 {
        return blk_map_queue_find_tag(q->queue_tags, tag);
 }
@@ -840,7 +842,7 @@ static int __blk_free_tags(struct blk_queue_tag *bqt)
 *    blk_cleanup_queue() will take care of calling this function, if tagging
 *    has been used. So there's no need to call this directly.
 **/
-static void __blk_queue_free_tags(request_queue_t *q)
+static void __blk_queue_free_tags(struct request_queue *q)
 {
        struct blk_queue_tag *bqt = q->queue_tags;
@@ -877,7 +879,7 @@ EXPORT_SYMBOL(blk_free_tags);
 *      This is used to disabled tagged queuing to a device, yet leave
 *      queue in function.
 **/
-void blk_queue_free_tags(request_queue_t *q)
+void blk_queue_free_tags(struct request_queue *q)
 {
        clear_bit(QUEUE_FLAG_QUEUED, &q->queue_flags);
 }
@@ -885,7 +887,7 @@ void blk_queue_free_tags(request_queue_t *q)
 EXPORT_SYMBOL(blk_queue_free_tags);
 static int
-init_tag_map(request_queue_t *q, struct blk_queue_tag *tags, int depth)
+init_tag_map(struct request_queue *q, struct blk_queue_tag *tags, int depth)
 {
        struct request **tag_index;
        unsigned long *tag_map;
@@ -955,7 +957,7 @@ EXPORT_SYMBOL(blk_init_tags);
 * @depth:  the maximum queue depth supported
 * @tags: the tag to use
 **/
-int blk_queue_init_tags(request_queue_t *q, int depth,
+int blk_queue_init_tags(struct request_queue *q, int depth,
                        struct blk_queue_tag *tags)
 {
        int rc;
@@ -996,7 +998,7 @@ EXPORT_SYMBOL(blk_queue_init_tags);
 *  Notes:
 *    Must be called with the queue lock held.
 **/
-int blk_queue_resize_tags(request_queue_t *q, int new_depth)
+int blk_queue_resize_tags(struct request_queue *q, int new_depth)
 {
        struct blk_queue_tag *bqt = q->queue_tags;
        struct request **tag_index;
@@ -1059,7 +1061,7 @@ EXPORT_SYMBOL(blk_queue_resize_tags);
 *  Notes:
 *   queue lock must be held.
 **/
-void blk_queue_end_tag(request_queue_t *q, struct request *rq)
+void blk_queue_end_tag(struct request_queue *q, struct request *rq)
 {
        struct blk_queue_tag *bqt = q->queue_tags;
        int tag = rq->tag;
@@ -1111,7 +1113,7 @@ EXPORT_SYMBOL(blk_queue_end_tag);
 *  Notes:
 *   queue lock must be held.
 **/
-int blk_queue_start_tag(request_queue_t *q, struct request *rq)
+int blk_queue_start_tag(struct request_queue *q, struct request *rq)
 {
        struct blk_queue_tag *bqt = q->queue_tags;
        int tag;
@@ -1158,7 +1160,7 @@ EXPORT_SYMBOL(blk_queue_start_tag);
 *  Notes:
 *   queue lock must be held.
 **/
-void blk_queue_invalidate_tags(request_queue_t *q)
+void blk_queue_invalidate_tags(struct request_queue *q)
 {
        struct blk_queue_tag *bqt = q->queue_tags;
        struct list_head *tmp, *n;
@@ -1205,7 +1207,7 @@ void blk_dump_rq_flags(struct request *rq, char *msg)
 EXPORT_SYMBOL(blk_dump_rq_flags);
-void blk_recount_segments(request_queue_t *q, struct bio *bio)
+void blk_recount_segments(struct request_queue *q, struct bio *bio)
 {
        struct bio_vec *bv, *bvprv = NULL;
        int i, nr_phys_segs, nr_hw_segs, seg_size, hw_seg_size, cluster;
@@ -1267,7 +1269,7 @@ new_hw_segment:
 }
 EXPORT_SYMBOL(blk_recount_segments);
-static int blk_phys_contig_segment(request_queue_t *q, struct bio *bio,
+static int blk_phys_contig_segment(struct request_queue *q, struct bio *bio,
                                   struct bio *nxt)
 {
        if (!(q->queue_flags & (1 << QUEUE_FLAG_CLUSTER)))
@@ -1288,7 +1290,7 @@ static int blk_phys_contig_segment(request_queue_t *q, struct bio *bio,
        return 0;
 }
-static int blk_hw_contig_segment(request_queue_t *q, struct bio *bio,
+static int blk_hw_contig_segment(struct request_queue *q, struct bio *bio,
                                 struct bio *nxt)
 {
        if (unlikely(!bio_flagged(bio, BIO_SEG_VALID)))
@@ -1308,7 +1310,8 @@ static int blk_hw_contig_segment(request_queue_t *q, struct bio *bio,
 * map a request to scatterlist, return number of sg entries setup. Caller
 * must make sure sg can hold rq->nr_phys_segments entries
 */
-int blk_rq_map_sg(request_queue_t *q, struct request *rq, struct scatterlist *sg)
+int blk_rq_map_sg(struct request_queue *q, struct request *rq,
+                  struct scatterlist *sg)
 {
        struct bio_vec *bvec, *bvprv;
        struct bio *bio;
@@ -1361,7 +1364,7 @@ EXPORT_SYMBOL(blk_rq_map_sg);
 * specific ones if so desired
 */
-static inline int ll_new_mergeable(request_queue_t *q,
+static inline int ll_new_mergeable(struct request_queue *q,
                                   struct request *req,
                                   struct bio *bio)
 {
@@ -1382,7 +1385,7 @@ static inline int ll_new_mergeable(request_queue_t *q,
        return 1;
 }
-static inline int ll_new_hw_segment(request_queue_t *q,
+static inline int ll_new_hw_segment(struct request_queue *q,
                                    struct request *req,
                                    struct bio *bio)
 {
@@ -1406,7 +1409,7 @@ static inline int ll_new_hw_segment(request_queue_t *q,
        return 1;
 }
-int ll_back_merge_fn(request_queue_t *q, struct request *req, struct bio *bio)
+int ll_back_merge_fn(struct request_queue *q, struct request *req, struct bio *bio)
 {
        unsigned short max_sectors;
        int len;
@@ -1444,7 +1447,7 @@ int ll_back_merge_fn(request_queue_t *q, struct request *req, struct bio *bio)
 }
 EXPORT_SYMBOL(ll_back_merge_fn);
-static int ll_front_merge_fn(request_queue_t *q, struct request *req, 
+static int ll_front_merge_fn(struct request_queue *q, struct request *req, 
                             struct bio *bio)
 {
        unsigned short max_sectors;
@@ -1483,7 +1486,7 @@ static int ll_front_merge_fn(request_queue_t *q, struct request *req,
        return ll_new_hw_segment(q, req, bio);
 }
-static int ll_merge_requests_fn(request_queue_t *q, struct request *req,
+static int ll_merge_requests_fn(struct request_queue *q, struct request *req,
                                struct request *next)
 {
        int total_phys_segments;
@@ -1539,7 +1542,7 @@ static int ll_merge_requests_fn(request_queue_t *q, struct request *req,
 * This is called with interrupts off and no requests on the queue and
 * with the queue lock held.
 */
-void blk_plug_device(request_queue_t *q)
+void blk_plug_device(struct request_queue *q)
 {
        WARN_ON(!irqs_disabled());
@@ -1562,7 +1565,7 @@ EXPORT_SYMBOL(blk_plug_device);
 * remove the queue from the plugged list, if present. called with
 * queue lock held and interrupts disabled.
 */
-int blk_remove_plug(request_queue_t *q)
+int blk_remove_plug(struct request_queue *q)
 {
        WARN_ON(!irqs_disabled());
@@ -1578,7 +1581,7 @@ EXPORT_SYMBOL(blk_remove_plug);
 /*
 * remove the plug and let it rip..
 */
-void __generic_unplug_device(request_queue_t *q)
+void __generic_unplug_device(struct request_queue *q)
 {
        if (unlikely(blk_queue_stopped(q)))
                return;
@@ -1592,7 +1595,7 @@ EXPORT_SYMBOL(__generic_unplug_device);
 /**
 * generic_unplug_device - fire a request queue
- * @q:    The &request_queue_t in question
+ * @q:    The &struct request_queue in question
 *
 * Description:
 *   Linux uses plugging to build bigger requests queues before letting
@@ -1601,7 +1604,7 @@ EXPORT_SYMBOL(__generic_unplug_device);
 *   gets unplugged, the request_fn defined for the queue is invoked and
 *   transfers started.
 **/
-void generic_unplug_device(request_queue_t *q)
+void generic_unplug_device(struct request_queue *q)
 {
        spin_lock_irq(q->queue_lock);
        __generic_unplug_device(q);
@@ -1612,7 +1615,7 @@ EXPORT_SYMBOL(generic_unplug_device);
 static void blk_backing_dev_unplug(struct backing_dev_info *bdi,
                                   struct page *page)
 {
-        request_queue_t *q = bdi->unplug_io_data;
+        struct request_queue *q = bdi->unplug_io_data;
        /*
         * devices don't necessarily have an ->unplug_fn defined
@@ -1627,7 +1630,8 @@ static void blk_backing_dev_unplug(struct backing_dev_info *bdi,
 static void blk_unplug_work(struct work_struct *work)
 {
-        request_queue_t *q = container_of(work, request_queue_t, unplug_work);
+        struct request_queue *q =
+                container_of(work, struct request_queue, unplug_work);
        blk_add_trace_pdu_int(q, BLK_TA_UNPLUG_IO, NULL,
                                q->rq.count[READ] + q->rq.count[WRITE]);
@@ -1637,7 +1641,7 @@ static void blk_unplug_work(struct work_struct *work)
 static void blk_unplug_timeout(unsigned long data)
 {
-        request_queue_t *q = (request_queue_t *)data;
+        struct request_queue *q = (struct request_queue *)data;
        blk_add_trace_pdu_int(q, BLK_TA_UNPLUG_TIMER, NULL,
                                q->rq.count[READ] + q->rq.count[WRITE]);
@@ -1647,14 +1651,14 @@ static void blk_unplug_timeout(unsigned long data)
 /**
 * blk_start_queue - restart a previously stopped queue
- * @q:    The &request_queue_t in question
+ * @q:    The &struct request_queue in question
 *
 * Description:
 *   blk_start_queue() will clear the stop flag on the queue, and call
 *   the request_fn for the queue if it was in a stopped state when
 *   entered. Also see blk_stop_queue(). Queue lock must be held.
 **/
-void blk_start_queue(request_queue_t *q)
+void blk_start_queue(struct request_queue *q)
 {
        WARN_ON(!irqs_disabled());
@@ -1677,7 +1681,7 @@ EXPORT_SYMBOL(blk_start_queue);
 /**
 * blk_stop_queue - stop a queue
- * @q:    The &request_queue_t in question
+ * @q:    The &struct request_queue in question
 *
 * Description:
 *   The Linux block layer assumes that a block driver will consume all
@@ -1689,7 +1693,7 @@ EXPORT_SYMBOL(blk_start_queue);
 *   the driver has signalled it's ready to go again. This happens by calling
 *   blk_start_queue() to restart queue operations. Queue lock must be held.
 **/
-void blk_stop_queue(request_queue_t *q)
+void blk_stop_queue(struct request_queue *q)
 {
        blk_remove_plug(q);
        set_bit(QUEUE_FLAG_STOPPED, &q->queue_flags);
@@ -1746,7 +1750,7 @@ void blk_run_queue(struct request_queue *q)
 EXPORT_SYMBOL(blk_run_queue);
 /**
- * blk_cleanup_queue: - release a &request_queue_t when it is no longer needed
+ * blk_cleanup_queue: - release a &struct request_queue when it is no longer needed
 * @kobj:    the kobj belonging of the request queue to be released
 *
 * Description:
@@ -1762,7 +1766,8 @@ EXPORT_SYMBOL(blk_run_queue);
 **/
 static void blk_release_queue(struct kobject *kobj)
 {
-        request_queue_t *q = container_of(kobj, struct request_queue, kobj);
+        struct request_queue *q =
+                container_of(kobj, struct request_queue, kobj);
        struct request_list *rl = &q->rq;
        blk_sync_queue(q);
@@ -1778,13 +1783,13 @@ static void blk_release_queue(struct kobject *kobj)
        kmem_cache_free(requestq_cachep, q);
 }
-void blk_put_queue(request_queue_t *q)
+void blk_put_queue(struct request_queue *q)
 {
        kobject_put(&q->kobj);
 }
 EXPORT_SYMBOL(blk_put_queue);
-void blk_cleanup_queue(request_queue_t * q)
+void blk_cleanup_queue(struct request_queue * q)
 {
        mutex_lock(&q->sysfs_lock);
        set_bit(QUEUE_FLAG_DEAD, &q->queue_flags);
@@ -1798,7 +1803,7 @@ void blk_cleanup_queue(request_queue_t * q)
 EXPORT_SYMBOL(blk_cleanup_queue);
-static int blk_init_free_list(request_queue_t *q)
+static int blk_init_free_list(struct request_queue *q)
 {
        struct request_list *rl = &q->rq;
@@ -1817,7 +1822,7 @@ static int blk_init_free_list(request_queue_t *q)
        return 0;
 }
-request_queue_t *blk_alloc_queue(gfp_t gfp_mask)
+struct request_queue *blk_alloc_queue(gfp_t gfp_mask)
 {
        return blk_alloc_queue_node(gfp_mask, -1);
 }
@@ -1825,9 +1830,9 @@ EXPORT_SYMBOL(blk_alloc_queue);
 static struct kobj_type queue_ktype;
-request_queue_t *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
+struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
 {
-        request_queue_t *q;
+        struct request_queue *q;
        q = kmem_cache_alloc_node(requestq_cachep,
                                gfp_mask | __GFP_ZERO, node_id);
@@ -1882,16 +1887,16 @@ EXPORT_SYMBOL(blk_alloc_queue_node);
 *    when the block device is deactivated (such as at module unload).
 **/
-request_queue_t *blk_init_queue(request_fn_proc *rfn, spinlock_t *lock)
+struct request_queue *blk_init_queue(request_fn_proc *rfn, spinlock_t *lock)
 {
        return blk_init_queue_node(rfn, lock, -1);
 }
 EXPORT_SYMBOL(blk_init_queue);
-request_queue_t *
+struct request_queue *
 blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id)
 {
-        request_queue_t *q = blk_alloc_queue_node(GFP_KERNEL, node_id);
+        struct request_queue *q = blk_alloc_queue_node(GFP_KERNEL, node_id);
        if (!q)
                return NULL;
@@ -1940,7 +1945,7 @@ blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id)
 }
 EXPORT_SYMBOL(blk_init_queue_node);
-int blk_get_queue(request_queue_t *q)
+int blk_get_queue(struct request_queue *q)
 {
        if (likely(!test_bit(QUEUE_FLAG_DEAD, &q->queue_flags))) {
                kobject_get(&q->kobj);
@@ -1952,7 +1957,7 @@ int blk_get_queue(request_queue_t *q)
 EXPORT_SYMBOL(blk_get_queue);
-static inline void blk_free_request(request_queue_t *q, struct request *rq)
+static inline void blk_free_request(struct request_queue *q, struct request *rq)
 {
        if (rq->cmd_flags & REQ_ELVPRIV)
                elv_put_request(q, rq);
@@ -1960,7 +1965,7 @@ static inline void blk_free_request(request_queue_t *q, struct request *rq)
 }
 static struct request *
-blk_alloc_request(request_queue_t *q, int rw, int priv, gfp_t gfp_mask)
+blk_alloc_request(struct request_queue *q, int rw, int priv, gfp_t gfp_mask)
 {
        struct request *rq = mempool_alloc(q->rq.rq_pool, gfp_mask);
@@ -1988,7 +1993,7 @@ blk_alloc_request(request_queue_t *q, int rw, int priv, gfp_t gfp_mask)
 * ioc_batching returns true if the ioc is a valid batching request and
 * should be given priority access to a request.
 */
-static inline int ioc_batching(request_queue_t *q, struct io_context *ioc)
+static inline int ioc_batching(struct request_queue *q, struct io_context *ioc)
 {
        if (!ioc)
                return 0;
@@ -2009,7 +2014,7 @@ static inline int ioc_batching(request_queue_t *q, struct io_context *ioc)
 * is the behaviour we want though - once it gets a wakeup it should be given
 * a nice run.
 */
-static void ioc_set_batching(request_queue_t *q, struct io_context *ioc)
+static void ioc_set_batching(struct request_queue *q, struct io_context *ioc)
 {
        if (!ioc || ioc_batching(q, ioc))
                return;
@@ -2018,7 +2023,7 @@ static void ioc_set_batching(request_queue_t *q, struct io_context *ioc)
        ioc->last_waited = jiffies;
 }
-static void __freed_request(request_queue_t *q, int rw)
+static void __freed_request(struct request_queue *q, int rw)
 {
        struct request_list *rl = &q->rq;
@@ -2037,7 +2042,7 @@ static void __freed_request(request_queue_t *q, int rw)
 * A request has just been released.  Account for it, update the full and
 * congestion status, wake up any waiters.   Called under q->queue_lock.
 */
-static void freed_request(request_queue_t *q, int rw, int priv)
+static void freed_request(struct request_queue *q, int rw, int priv)
 {
        struct request_list *rl = &q->rq;
@@ -2057,7 +2062,7 @@ static void freed_request(request_queue_t *q, int rw, int priv)
 * Returns NULL on failure, with queue_lock held.
 * Returns !NULL on success, with queue_lock *not held*.
 */
-static struct request *get_request(request_queue_t *q, int rw_flags,
+static struct request *get_request(struct request_queue *q, int rw_flags,
                                   struct bio *bio, gfp_t gfp_mask)
 {
        struct request *rq = NULL;
@@ -2162,7 +2167,7 @@ out:
 *
 * Called with q->queue_lock held, and returns with it unlocked.
 */
-static struct request *get_request_wait(request_queue_t *q, int rw_flags,
+static struct request *get_request_wait(struct request_queue *q, int rw_flags,
                                        struct bio *bio)
 {
        const int rw = rw_flags & 0x01;
@@ -2204,7 +2209,7 @@ static struct request *get_request_wait(request_queue_t *q, int rw_flags,
        return rq;
 }
-struct request *blk_get_request(request_queue_t *q, int rw, gfp_t gfp_mask)
+struct request *blk_get_request(struct request_queue *q, int rw, gfp_t gfp_mask)
 {
        struct request *rq;
@@ -2234,7 +2239,7 @@ EXPORT_SYMBOL(blk_get_request);
 *
 * The queue lock must be held with interrupts disabled.
 */
-void blk_start_queueing(request_queue_t *q)
+void blk_start_queueing(struct request_queue *q)
 {
        if (!blk_queue_plugged(q))
                q->request_fn(q);
@@ -2253,7 +2258,7 @@ EXPORT_SYMBOL(blk_start_queueing);
 *    more, when that condition happens we need to put the request back
 *    on the queue. Must be called with queue lock held.
 */
-void blk_requeue_request(request_queue_t *q, struct request *rq)
+void blk_requeue_request(struct request_queue *q, struct request *rq)
 {
        blk_add_trace_rq(q, rq, BLK_TA_REQUEUE);
@@ -2284,7 +2289,7 @@ EXPORT_SYMBOL(blk_requeue_request);
 *    of the queue for things like a QUEUE_FULL message from a device, or a
 *    host that is unable to accept a particular command.
 */
-void blk_insert_request(request_queue_t *q, struct request *rq,
+void blk_insert_request(struct request_queue *q, struct request *rq,
                        int at_head, void *data)
 {
        int where = at_head ? ELEVATOR_INSERT_FRONT : ELEVATOR_INSERT_BACK;
@@ -2330,7 +2335,7 @@ static int __blk_rq_unmap_user(struct bio *bio)
        return ret;
 }
-static int __blk_rq_map_user(request_queue_t *q, struct request *rq,
+static int __blk_rq_map_user(struct request_queue *q, struct request *rq,
                             void __user *ubuf, unsigned int len)
 {
        unsigned long uaddr;
@@ -2403,8 +2408,8 @@ unmap_bio:
 *    original bio must be passed back in to blk_rq_unmap_user() for proper
 *    unmapping.
 */
-int blk_rq_map_user(request_queue_t *q, struct request *rq, void __user *ubuf,
+int blk_rq_map_user(struct request_queue *q, struct request *rq,
-                    unsigned long len)
+                    void __user *ubuf, unsigned long len)
 {
        unsigned long bytes_read = 0;
        struct bio *bio = NULL;
@@ -2470,7 +2475,7 @@ EXPORT_SYMBOL(blk_rq_map_user);
 *    original bio must be passed back in to blk_rq_unmap_user() for proper
 *    unmapping.
 */
-int blk_rq_map_user_iov(request_queue_t *q, struct request *rq,
+int blk_rq_map_user_iov(struct request_queue *q, struct request *rq,
                        struct sg_iovec *iov, int iov_count, unsigned int len)
 {
        struct bio *bio;
@@ -2540,7 +2545,7 @@ EXPORT_SYMBOL(blk_rq_unmap_user);
 * @len:        length of user data
 * @gfp_mask:   memory allocation flags
 */
-int blk_rq_map_kern(request_queue_t *q, struct request *rq, void *kbuf,
+int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf,
                    unsigned int len, gfp_t gfp_mask)
 {
        struct bio *bio;
@@ -2577,7 +2582,7 @@ EXPORT_SYMBOL(blk_rq_map_kern);
 *    Insert a fully prepared request at the back of the io scheduler queue
 *    for execution.  Don't wait for completion.
 */
-void blk_execute_rq_nowait(request_queue_t *q, struct gendisk *bd_disk,
+void blk_execute_rq_nowait(struct request_queue *q, struct gendisk *bd_disk,
                           struct request *rq, int at_head,
                           rq_end_io_fn *done)
 {
@@ -2605,7 +2610,7 @@ EXPORT_SYMBOL_GPL(blk_execute_rq_nowait);
 *    Insert a fully prepared request at the back of the io scheduler queue
 *    for execution and wait for completion.
 */
-int blk_execute_rq(request_queue_t *q, struct gendisk *bd_disk,
+int blk_execute_rq(struct request_queue *q, struct gendisk *bd_disk,
                   struct request *rq, int at_head)
 {
        DECLARE_COMPLETION_ONSTACK(wait);
@@ -2648,7 +2653,7 @@ EXPORT_SYMBOL(blk_execute_rq);
 */
 int blkdev_issue_flush(struct block_device *bdev, sector_t *error_sector)
 {
-        request_queue_t *q;
+        struct request_queue *q;
        if (bdev->bd_disk == NULL)
                return -ENXIO;
@@ -2684,7 +2689,7 @@ static void drive_stat_acct(struct request *rq, int nr_sectors, int new_io)
 * queue lock is held and interrupts disabled, as we muck with the
 * request queue list.
 */
-static inline void add_request(request_queue_t * q, struct request * req)
+static inline void add_request(struct request_queue * q, struct request * req)
 {
        drive_stat_acct(req, req->nr_sectors, 1);
@@ -2730,7 +2735,7 @@ EXPORT_SYMBOL_GPL(disk_round_stats);
 /*
 * queue lock must be held
 */
-void __blk_put_request(request_queue_t *q, struct request *req)
+void __blk_put_request(struct request_queue *q, struct request *req)
 {
        if (unlikely(!q))
                return;
@@ -2760,7 +2765,7 @@ EXPORT_SYMBOL_GPL(__blk_put_request);
 void blk_put_request(struct request *req)
 {
        unsigned long flags;
-        request_queue_t *q = req->q;
+        struct request_queue *q = req->q;
        /*
         * Gee, IDE calls in w/ NULL q.  Fix IDE and remove the
@@ -2798,7 +2803,7 @@ EXPORT_SYMBOL(blk_end_sync_rq);
 /*
 * Has to be called with the request spinlock acquired
 */
-static int attempt_merge(request_queue_t *q, struct request *req,
+static int attempt_merge(struct request_queue *q, struct request *req,
                          struct request *next)
 {
        if (!rq_mergeable(req) || !rq_mergeable(next))
@@ -2851,7 +2856,8 @@ static int attempt_merge(request_queue_t *q, struct request *req,
        return 1;
 }
-static inline int attempt_back_merge(request_queue_t *q, struct request *rq)
+static inline int attempt_back_merge(struct request_queue *q,
+                                     struct request *rq)
 {
        struct request *next = elv_latter_request(q, rq);
@@ -2861,7 +2867,8 @@ static inline int attempt_back_merge(request_queue_t *q, struct request *rq)
        return 0;
 }
-static inline int attempt_front_merge(request_queue_t *q, struct request *rq)
+static inline int attempt_front_merge(struct request_queue *q,
+                                      struct request *rq)
 {
        struct request *prev = elv_former_request(q, rq);
@@ -2905,7 +2912,7 @@ static void init_request_from_bio(struct request *req, struct bio *bio)
        req->start_time = jiffies;
 }
-static int __make_request(request_queue_t *q, struct bio *bio)
+static int __make_request(struct request_queue *q, struct bio *bio)
 {
        struct request *req;
        int el_ret, nr_sectors, barrier, err;
@@ -3119,7 +3126,7 @@ static inline int should_fail_request(struct bio *bio)
 */
 static inline void __generic_make_request(struct bio *bio)
 {
-        request_queue_t *q;
+        struct request_queue *q;
        sector_t maxsector;
        sector_t old_sector;
        int ret, nr_sectors = bio_sectors(bio);
@@ -3312,7 +3319,7 @@ static void blk_recalc_rq_segments(struct request *rq)
        struct bio *bio, *prevbio = NULL;
        int nr_phys_segs, nr_hw_segs;
        unsigned int phys_size, hw_size;
-        request_queue_t *q = rq->q;
+        struct request_queue *q = rq->q;
        if (!rq->bio)
                return;
@@ -3658,7 +3665,8 @@ void end_request(struct request *req, int uptodate)
 EXPORT_SYMBOL(end_request);
-void blk_rq_bio_prep(request_queue_t *q, struct request *rq, struct bio *bio)
+void blk_rq_bio_prep(struct request_queue *q, struct request *rq,
+                     struct bio *bio)
 {
        /* first two bits are identical in rq->cmd_flags and bio->bi_rw */
        rq->cmd_flags |= (bio->bi_rw & 3);
@@ -3701,7 +3709,7 @@ int __init blk_dev_init(void)
                        sizeof(struct request), 0, SLAB_PANIC, NULL);
        requestq_cachep = kmem_cache_create("blkdev_queue",
-                        sizeof(request_queue_t), 0, SLAB_PANIC, NULL);
+                        sizeof(struct request_queue), 0, SLAB_PANIC, NULL);
        iocontext_cachep = kmem_cache_create("blkdev_ioc",
                        sizeof(struct io_context), 0, SLAB_PANIC, NULL);
@@ -4021,7 +4029,8 @@ static ssize_t
 queue_attr_show(struct kobject *kobj, struct attribute *attr, char *page)
 {
        struct queue_sysfs_entry *entry = to_queue(attr);
-        request_queue_t *q = container_of(kobj, struct request_queue, kobj);
+        struct request_queue *q =
+                container_of(kobj, struct request_queue, kobj);
        ssize_t res;
        if (!entry->show)
@@ -4041,7 +4050,7 @@ queue_attr_store(struct kobject *kobj, struct attribute *attr,
                    const char *page, size_t length)
 {
        struct queue_sysfs_entry *entry = to_queue(attr);
-        request_queue_t *q = container_of(kobj, struct request_queue, kobj);
+        struct request_queue *q = container_of(kobj, struct request_queue, kobj);
        ssize_t res;
@@ -4072,7 +4081,7 @@ int blk_register_queue(struct gendisk *disk)
 {
        int ret;
-        request_queue_t *q = disk->queue;
+        struct request_queue *q = disk->queue;
        if (!q || !q->request_fn)
                return -ENXIO;
@@ -4097,7 +4106,7 @@ int blk_register_queue(struct gendisk *disk)
 void blk_unregister_queue(struct gendisk *disk)
 {
-        request_queue_t *q = disk->queue;
+        struct request_queue *q = disk->queue;
        if (q && q->request_fn) {
                elv_unregister_queue(q);
diff --git a/block/noop-iosched.c b/block/noop-iosched.c
index 1c3de2b9a6b..7563d8aa394 100644
--- a/block/noop-iosched.c
+++ b/block/noop-iosched.c
@@ -11,13 +11,13 @@ struct noop_data {
        struct list_head queue;
 };
-static void noop_merged_requests(request_queue_t *q, struct request *rq,
+static void noop_merged_requests(struct request_queue *q, struct request *rq,
                                 struct request *next)
 {
        list_del_init(&next->queuelist);
 }
-static int noop_dispatch(request_queue_t *q, int force)
+static int noop_dispatch(struct request_queue *q, int force)
 {
        struct noop_data *nd = q->elevator->elevator_data;
@@ -31,14 +31,14 @@ static int noop_dispatch(request_queue_t *q, int force)
        return 0;
 }
-static void noop_add_request(request_queue_t *q, struct request *rq)
+static void noop_add_request(struct request_queue *q, struct request *rq)
 {
        struct noop_data *nd = q->elevator->elevator_data;
        list_add_tail(&rq->queuelist, &nd->queue);
 }
-static int noop_queue_empty(request_queue_t *q)
+static int noop_queue_empty(struct request_queue *q)
 {
        struct noop_data *nd = q->elevator->elevator_data;
@@ -46,7 +46,7 @@ static int noop_queue_empty(request_queue_t *q)
 }
 static struct request *
-noop_former_request(request_queue_t *q, struct request *rq)
+noop_former_request(struct request_queue *q, struct request *rq)
 {
        struct noop_data *nd = q->elevator->elevator_data;
@@ -56,7 +56,7 @@ noop_former_request(request_queue_t *q, struct request *rq)
 }
 static struct request *
-noop_latter_request(request_queue_t *q, struct request *rq)
+noop_latter_request(struct request_queue *q, struct request *rq)
 {
        struct noop_data *nd = q->elevator->elevator_data;
@@ -65,7 +65,7 @@ noop_latter_request(request_queue_t *q, struct request *rq)
        return list_entry(rq->queuelist.next, struct request, queuelist);
 }
-static void *noop_init_queue(request_queue_t *q)
+static void *noop_init_queue(struct request_queue *q)
 {
        struct noop_data *nd;
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index d359a715bbc..91c73224f4c 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -49,22 +49,22 @@ static int sg_get_version(int __user *p)
        return put_user(sg_version_num, p);
 }
-static int scsi_get_idlun(request_queue_t *q, int __user *p)
+static int scsi_get_idlun(struct request_queue *q, int __user *p)
 {
        return put_user(0, p);
 }
-static int scsi_get_bus(request_queue_t *q, int __user *p)
+static int scsi_get_bus(struct request_queue *q, int __user *p)
 {
        return put_user(0, p);
 }
-static int sg_get_timeout(request_queue_t *q)
+static int sg_get_timeout(struct request_queue *q)
 {
        return q->sg_timeout / (HZ / USER_HZ);
 }
-static int sg_set_timeout(request_queue_t *q, int __user *p)
+static int sg_set_timeout(struct request_queue *q, int __user *p)
 {
        int timeout, err = get_user(timeout, p);
@@ -74,14 +74,14 @@ static int sg_set_timeout(request_queue_t *q, int __user *p)
        return err;
 }
-static int sg_get_reserved_size(request_queue_t *q, int __user *p)
+static int sg_get_reserved_size(struct request_queue *q, int __user *p)
 {
        unsigned val = min(q->sg_reserved_size, q->max_sectors << 9);
        return put_user(val, p);
 }
-static int sg_set_reserved_size(request_queue_t *q, int __user *p)
+static int sg_set_reserved_size(struct request_queue *q, int __user *p)
 {
        int size, err = get_user(size, p);
@@ -101,7 +101,7 @@ static int sg_set_reserved_size(request_queue_t *q, int __user *p)
 * will always return that we are ATAPI even for a real SCSI drive, I'm not
 * so sure this is worth doing anything about (why would you care??)
 */
-static int sg_emulated_host(request_queue_t *q, int __user *p)
+static int sg_emulated_host(struct request_queue *q, int __user *p)
 {
        return put_user(1, p);
 }
@@ -214,7 +214,7 @@ int blk_verify_command(unsigned char *cmd, int has_write_perm)
 }
 EXPORT_SYMBOL_GPL(blk_verify_command);
-static int blk_fill_sghdr_rq(request_queue_t *q, struct request *rq,
+static int blk_fill_sghdr_rq(struct request_queue *q, struct request *rq,
                             struct sg_io_hdr *hdr, int has_write_perm)
 {
        memset(rq->cmd, 0, BLK_MAX_CDB); /* ATAPI hates garbage after CDB */
@@ -286,7 +286,7 @@ static int blk_complete_sghdr_rq(struct request *rq, struct sg_io_hdr *hdr,
        return r;
 }
-static int sg_io(struct file *file, request_queue_t *q,
+static int sg_io(struct file *file, struct request_queue *q,
                struct gendisk *bd_disk, struct sg_io_hdr *hdr)
 {
        unsigned long start_time;
@@ -519,7 +519,8 @@ error:
 EXPORT_SYMBOL_GPL(sg_scsi_ioctl);
 /* Send basic block requests */
-static int __blk_send_generic(request_queue_t *q, struct gendisk *bd_disk, int cmd, int data)
+static int __blk_send_generic(struct request_queue *q, struct gendisk *bd_disk,
+                              int cmd, int data)
 {
        struct request *rq;
        int err;
@@ -539,7 +540,8 @@ static int __blk_send_generic(request_queue_t *q, struct gendisk *bd_disk, int c
        return err;
 }
-static inline int blk_send_start_stop(request_queue_t *q, struct gendisk *bd_disk, int data)
+static inline int blk_send_start_stop(struct request_queue *q,
+                                      struct gendisk *bd_disk, int data)
 {
        return __blk_send_generic(q, bd_disk, GPCMD_START_STOP_UNIT, data);
 }
diff --git a/drivers/acorn/block/fd1772.c b/drivers/acorn/block/fd1772.c
index 423ed08fb6f..d7e18ce8dad 100644
--- a/drivers/acorn/block/fd1772.c
+++ b/drivers/acorn/block/fd1772.c
@@ -372,7 +372,7 @@ static int fd_test_drive_present(int drive);
 static void config_types(void);
 static int floppy_open(struct inode *inode, struct file *filp);
 static int floppy_release(struct inode *inode, struct file *filp);
-static void do_fd_request(request_queue_t *);
+static void do_fd_request(struct request_queue *);
 /************************* End of Prototypes **************************/
@@ -1271,7 +1271,7 @@ static void fd1772_checkint(void)
        }
 }
-static void do_fd_request(request_queue_t* q)
+static void do_fd_request(struct request_queue* q)
 {
        unsigned long flags;
diff --git a/drivers/acorn/block/mfmhd.c b/drivers/acorn/block/mfmhd.c
index d85520f78e6..74058db674d 100644
--- a/drivers/acorn/block/mfmhd.c
+++ b/drivers/acorn/block/mfmhd.c
@@ -924,7 +924,7 @@ static void mfm_request(void)
        DBG("mfm_request: Dropping out bottom\n");
 }
-static void do_mfm_request(request_queue_t *q)
+static void do_mfm_request(struct request_queue *q)
 {
        DBG("do_mfm_request: about to mfm_request\n");
        mfm_request();
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 12ac0b511f7..e83647651b3 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -768,7 +768,7 @@ static void ata_scsi_dev_config(struct scsi_device *sdev,
         * Decrement max hw segments accordingly.
         */
        if (dev->class == ATA_DEV_ATAPI) {
-                request_queue_t *q = sdev->request_queue;
+                struct request_queue *q = sdev->request_queue;
                blk_queue_max_hw_segments(q, q->max_hw_segments - 1);
        }
diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index 6ce8b897e26..c9751b2b57e 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -1422,7 +1422,7 @@ static void redo_fd_request(void)
        goto repeat;
 }
-static void do_fd_request(request_queue_t * q)
+static void do_fd_request(struct request_queue * q)
 {
        redo_fd_request();
 }
diff --git a/drivers/block/aoe/aoe.h b/drivers/block/aoe/aoe.h
index 1d846681794..ba07f762c4c 100644
--- a/drivers/block/aoe/aoe.h
+++ b/drivers/block/aoe/aoe.h
@@ -138,7 +138,7 @@ struct aoedev {
        u16 maxbcnt;
        struct work_struct work;/* disk create work struct */
        struct gendisk *gd;
-        request_queue_t blkq;
+        struct request_queue blkq;
        struct hd_geometry geo; 
        sector_t ssize;
        struct timer_list timer;
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index 4f598270fa3..007faaf008e 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -125,7 +125,7 @@ aoeblk_release(struct inode *inode, struct file *filp)
 }
 static int
-aoeblk_make_request(request_queue_t *q, struct bio *bio)
+aoeblk_make_request(struct request_queue *q, struct bio *bio)
 {
        struct aoedev *d;
        struct buf *buf;
diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index 14d6b949275..94268c75d04 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -1466,7 +1466,7 @@ repeat:
 }
-void do_fd_request(request_queue_t * q)
+void do_fd_request(struct request_queue * q)
 {
        unsigned long flags;
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index a2d6612b80d..1be82d544dc 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -139,7 +139,7 @@ static struct board_type products[] = {
 static ctlr_info_t *hba[MAX_CTLR];
-static void do_cciss_request(request_queue_t *q);
+static void do_cciss_request(struct request_queue *q);
 static irqreturn_t do_cciss_intr(int irq, void *dev_id);
 static int cciss_open(struct inode *inode, struct file *filep);
 static int cciss_release(struct inode *inode, struct file *filep);
@@ -1584,7 +1584,7 @@ static int deregister_disk(struct gendisk *disk, drive_info_struct *drv,
         */
        if (h->gendisk[0] != disk) {
                if (disk) {
-                        request_queue_t *q = disk->queue;
+                        struct request_queue *q = disk->queue;
                        if (disk->flags & GENHD_FL_UP)
                                del_gendisk(disk);
                        if (q) {
@@ -2511,7 +2511,7 @@ after_error_processing:
 /*
 * Get a request and submit it to the controller.
 */
-static void do_cciss_request(request_queue_t *q)
+static void do_cciss_request(struct request_queue *q)
 {
        ctlr_info_t *h = q->queuedata;
        CommandList_struct *c;
@@ -3380,7 +3380,7 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
        do {
                drive_info_struct *drv = &(hba[i]->drv[j]);
                struct gendisk *disk = hba[i]->gendisk[j];
-                request_queue_t *q;
+                struct request_queue *q;
                /* Check if the disk was allocated already */
                if (!disk){
@@ -3523,7 +3523,7 @@ static void __devexit cciss_remove_one(struct pci_dev *pdev)
        for (j = 0; j < CISS_MAX_LUN; j++) {
                struct gendisk *disk = hba[i]->gendisk[j];
                if (disk) {
-                        request_queue_t *q = disk->queue;
+                        struct request_queue *q = disk->queue;
                        if (disk->flags & GENHD_FL_UP)
                                del_gendisk(disk);
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index b94cd1c3213..be4e3477d83 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -161,7 +161,7 @@ static int ida_ioctl(struct inode *inode, struct file *filep, unsigned int cmd,
 static int ida_getgeo(struct block_device *bdev, struct hd_geometry *geo);
 static int ida_ctlr_ioctl(ctlr_info_t *h, int dsk, ida_ioctl_t *io);
-static void do_ida_request(request_queue_t *q);
+static void do_ida_request(struct request_queue *q);
 static void start_io(ctlr_info_t *h);
 static inline void addQ(cmdlist_t **Qptr, cmdlist_t *c);
@@ -391,7 +391,7 @@ static void __devexit cpqarray_remove_one_eisa (int i)
 /* pdev is NULL for eisa */
 static int __init cpqarray_register_ctlr( int i, struct pci_dev *pdev)
 {
-        request_queue_t *q;
+        struct request_queue *q;
        int j;
        /* 
@@ -886,7 +886,7 @@ static inline cmdlist_t *removeQ(cmdlist_t **Qptr, cmdlist_t *c)
 * are in here (either via the dummy do_ida_request functions or by being
 * called from the interrupt handler
 */
-static void do_ida_request(request_queue_t *q)
+static void do_ida_request(struct request_queue *q)
 {
        ctlr_info_t *h = q->queuedata;
        cmdlist_t *c;
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index fe088045dd0..085b7794fb3 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -251,7 +251,7 @@ static int irqdma_allocated;
 static struct request *current_req;
 static struct request_queue *floppy_queue;
-static void do_fd_request(request_queue_t * q);
+static void do_fd_request(struct request_queue * q);
 #ifndef fd_get_dma_residue
 #define fd_get_dma_residue() get_dma_residue(FLOPPY_DMA)
@@ -2981,7 +2981,7 @@ static void process_fd_request(void)
        schedule_bh(redo_fd_request);
 }
-static void do_fd_request(request_queue_t * q)
+static void do_fd_request(struct request_queue * q)
 {
        if (max_buffer_sectors == 0) {
                printk("VFS: do_fd_request called on non-open device\n");
diff --git a/drivers/block/lguest_blk.c b/drivers/block/lguest_blk.c
index 1634c2dd25e..5b79d072417 100644
--- a/drivers/block/lguest_blk.c
+++ b/drivers/block/lguest_blk.c
@@ -137,7 +137,7 @@ static void do_read(struct blockdev *bd, struct request *req)
        lguest_send_dma(bd->phys_addr, &ping);
 }
-static void do_lgb_request(request_queue_t *q)
+static void do_lgb_request(struct request_queue *q)
 {
        struct blockdev *bd;
        struct request *req;
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index e425daa1eac..9f015fce413 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -529,7 +529,7 @@ static struct bio *loop_get_bio(struct loop_device *lo)
        return bio;
 }
-static int loop_make_request(request_queue_t *q, struct bio *old_bio)
+static int loop_make_request(struct request_queue *q, struct bio *old_bio)
 {
        struct loop_device *lo = q->queuedata;
        int rw = bio_rw(old_bio);
@@ -558,7 +558,7 @@ out:
 /*
 * kick off io on the underlying address space
 */
-static void loop_unplug(request_queue_t *q)
+static void loop_unplug(struct request_queue *q)
 {
        struct loop_device *lo = q->queuedata;
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index c1295102409..be92c658f06 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -100,7 +100,7 @@ static const char *nbdcmd_to_ascii(int cmd)
 static void nbd_end_request(struct request *req)
 {
        int uptodate = (req->errors == 0) ? 1 : 0;
-        request_queue_t *q = req->q;
+        struct request_queue *q = req->q;
        unsigned long flags;
        dprintk(DBG_BLKDEV, "%s: request %p: %s\n", req->rq_disk->disk_name,
@@ -410,7 +410,7 @@ static void nbd_clear_que(struct nbd_device *lo)
 *   { printk( "Warning: Ignoring result!\n"); nbd_end_request( req ); }
 */
-static void do_nbd_request(request_queue_t * q)
+static void do_nbd_request(struct request_queue * q)
 {
        struct request *req;
        
diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index 1eeb8f2cde7..b8a994a2b01 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -183,7 +183,7 @@ static int pcd_packet(struct cdrom_device_info *cdi,
 static int pcd_detect(void);
 static void pcd_probe_capabilities(void);
 static void do_pcd_read_drq(void);
-static void do_pcd_request(request_queue_t * q);
+static void do_pcd_request(struct request_queue * q);
 static void do_pcd_read(void);
 struct pcd_unit {
@@ -713,7 +713,7 @@ static int pcd_detect(void)
 /* I/O request processing */
 static struct request_queue *pcd_queue;
-static void do_pcd_request(request_queue_t * q)
+static void do_pcd_request(struct request_queue * q)
 {
        if (pcd_busy)
                return;
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index 31e01488eb5..df819f8a95a 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -698,7 +698,7 @@ static enum action pd_identify(struct pd_unit *disk)
 /* end of io request engine */
-static void do_pd_request(request_queue_t * q)
+static void do_pd_request(struct request_queue * q)
 {
        if (pd_req)
                return;
diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index 5826508f673..ceffa6034e2 100644
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -202,7 +202,7 @@ module_param_array(drive3, int, NULL, 0);
 #define ATAPI_WRITE_10          0x2a
 static int pf_open(struct inode *inode, struct file *file);
-static void do_pf_request(request_queue_t * q);
+static void do_pf_request(struct request_queue * q);
 static int pf_ioctl(struct inode *inode, struct file *file,
                    unsigned int cmd, unsigned long arg);
 static int pf_getgeo(struct block_device *bdev, struct hd_geometry *geo);
@@ -760,7 +760,7 @@ static void pf_end_request(int uptodate)
        }
 }
-static void do_pf_request(request_queue_t * q)
+static void do_pf_request(struct request_queue * q)
 {
        if (pf_busy)
                return;
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 31be33e4f11..fadbfd880ba 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -752,7 +752,7 @@ static inline struct bio *pkt_get_list_first(struct bio **list_head, struct bio
 */
 static int pkt_generic_packet(struct pktcdvd_device *pd, struct packet_command *cgc)
 {
-        request_queue_t *q = bdev_get_queue(pd->bdev);
+        struct request_queue *q = bdev_get_queue(pd->bdev);
        struct request *rq;
        int ret = 0;
@@ -979,7 +979,7 @@ static void pkt_iosched_process_queue(struct pktcdvd_device *pd)
 * Special care is needed if the underlying block device has a small
 * max_phys_segments value.
 */
-static int pkt_set_segment_merging(struct pktcdvd_device *pd, request_queue_t *q)
+static int pkt_set_segment_merging(struct pktcdvd_device *pd, struct request_queue *q)
 {
        if ((pd->settings.size << 9) / CD_FRAMESIZE <= q->max_phys_segments) {
                /*
@@ -2314,7 +2314,7 @@ static int pkt_open_dev(struct pktcdvd_device *pd, int write)
 {
        int ret;
        long lba;
-        request_queue_t *q;
+        struct request_queue *q;
        /*
         * We need to re-open the cdrom device without O_NONBLOCK to be able
@@ -2477,7 +2477,7 @@ static int pkt_end_io_read_cloned(struct bio *bio, unsigned int bytes_done, int
        return 0;
 }
-static int pkt_make_request(request_queue_t *q, struct bio *bio)
+static int pkt_make_request(struct request_queue *q, struct bio *bio)
 {
        struct pktcdvd_device *pd;
        char b[BDEVNAME_SIZE];
@@ -2626,7 +2626,7 @@ end_io:
-static int pkt_merge_bvec(request_queue_t *q, struct bio *bio, struct bio_vec *bvec)
+static int pkt_merge_bvec(struct request_queue *q, struct bio *bio, struct bio_vec *bvec)
 {
        struct pktcdvd_device *pd = q->queuedata;
        sector_t zone = ZONE(bio->bi_sector, pd);
@@ -2647,7 +2647,7 @@ static int pkt_merge_bvec(request_queue_t *q, struct bio *bio, struct bio_vec *b
 static void pkt_init_queue(struct pktcdvd_device *pd)
 {
-        request_queue_t *q = pd->disk->queue;
+        struct request_queue *q = pd->disk->queue;
        blk_queue_make_request(q, pkt_make_request);
        blk_queue_hardsect_size(q, CD_FRAMESIZE);
diff --git a/drivers/block/ps2esdi.c b/drivers/block/ps2esdi.c
index 688a4fb0dc9..3c796e23625 100644
--- a/drivers/block/ps2esdi.c
+++ b/drivers/block/ps2esdi.c
@@ -64,7 +64,7 @@ static void reset_ctrl(void);
 static int ps2esdi_geninit(void);
-static void do_ps2esdi_request(request_queue_t * q);
+static void do_ps2esdi_request(struct request_queue * q);
 static void ps2esdi_readwrite(int cmd, struct request *req);
@@ -473,7 +473,7 @@ static void __init ps2esdi_get_device_cfg(void)
 }
 /* strategy routine that handles most of the IO requests */
-static void do_ps2esdi_request(request_queue_t * q)
+static void do_ps2esdi_request(struct request_queue * q)
 {
        struct request *req;
        /* since, this routine is called with interrupts cleared - they 
diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c
index 170fb33dba9..aa8b890c80d 100644
--- a/drivers/block/ps3disk.c
+++ b/drivers/block/ps3disk.c
@@ -190,7 +190,7 @@ static int ps3disk_submit_flush_request(struct ps3_storage_device *dev,
 }
 static void ps3disk_do_request(struct ps3_storage_device *dev,
-                               request_queue_t *q)
+                               struct request_queue *q)
 {
        struct request *req;
@@ -211,7 +211,7 @@ static void ps3disk_do_request(struct ps3_storage_device *dev,
        }
 }
-static void ps3disk_request(request_queue_t *q)
+static void ps3disk_request(struct request_queue *q)
 {
        struct ps3_storage_device *dev = q->queuedata;
        struct ps3disk_private *priv = dev->sbd.core.driver_data;
@@ -404,7 +404,7 @@ static int ps3disk_identify(struct ps3_storage_device *dev)
        return 0;
 }
-static void ps3disk_prepare_flush(request_queue_t *q, struct request *req)
+static void ps3disk_prepare_flush(struct request_queue *q, struct request *req)
 {
        struct ps3_storage_device *dev = q->queuedata;
@@ -414,7 +414,7 @@ static void ps3disk_prepare_flush(request_queue_t *q, struct request *req)
        req->cmd_type = REQ_TYPE_FLUSH;
 }
-static int ps3disk_issue_flush(request_queue_t *q, struct gendisk *gendisk,
+static int ps3disk_issue_flush(struct request_queue *q, struct gendisk *gendisk,
                               sector_t *sector)
 {
        struct ps3_storage_device *dev = q->queuedata;
diff --git a/drivers/block/rd.c b/drivers/block/rd.c
index a1512da3241..65150b548f3 100644
--- a/drivers/block/rd.c
+++ b/drivers/block/rd.c
@@ -264,7 +264,7 @@ static int rd_blkdev_pagecache_IO(int rw, struct bio_vec *vec, sector_t sector,
 * 19-JAN-1998  Richard Gooch <rgooch@atnf.csiro.au>  Added devfs support
 *
 */
-static int rd_make_request(request_queue_t *q, struct bio *bio)
+static int rd_make_request(struct request_queue *q, struct bio *bio)
 {
        struct block_device *bdev = bio->bi_bdev;
        struct address_space * mapping = bdev->bd_inode->i_mapping;
diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c
index d50b8238115..4dff49256ac 100644
--- a/drivers/block/sunvdc.c
+++ b/drivers/block/sunvdc.c
@@ -444,7 +444,7 @@ out:
        return err;
 }
-static void do_vdc_request(request_queue_t *q)
+static void do_vdc_request(struct request_queue *q)
 {
        while (1) {
                struct request *req = elv_next_request(q);
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index 1a65979f1f0..b4e462f154e 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -225,7 +225,7 @@ static unsigned short write_postamble[] = {
 static void swim3_select(struct floppy_state *fs, int sel);
 static void swim3_action(struct floppy_state *fs, int action);
 static int swim3_readbit(struct floppy_state *fs, int bit);
-static void do_fd_request(request_queue_t * q);
+static void do_fd_request(struct request_queue * q);
 static void start_request(struct floppy_state *fs);
 static void set_timeout(struct floppy_state *fs, int nticks,
                        void (*proc)(unsigned long));
@@ -290,7 +290,7 @@ static int swim3_readbit(struct floppy_state *fs, int bit)
        return (stat & DATA) == 0;
 }
-static void do_fd_request(request_queue_t * q)
+static void do_fd_request(struct request_queue * q)
 {
        int i;
        for(i=0;i<floppy_count;i++)
diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c
index 949ae93499e..402209fec59 100644
--- a/drivers/block/sx8.c
+++ b/drivers/block/sx8.c
@@ -278,7 +278,7 @@ struct carm_host {
        unsigned int                    state;
        u32                             fw_ver;
-        request_queue_t                 *oob_q;
+        struct request_queue            *oob_q;
        unsigned int                    n_oob;
        unsigned int                    hw_sg_used;
@@ -287,7 +287,7 @@ struct carm_host {
        unsigned int                    wait_q_prod;
        unsigned int                    wait_q_cons;
-        request_queue_t                 *wait_q[CARM_MAX_WAIT_Q];
+        struct request_queue            *wait_q[CARM_MAX_WAIT_Q];
        unsigned int                    n_msgs;
        u64                             msg_alloc;
@@ -756,7 +756,7 @@ static inline void carm_end_request_queued(struct carm_host *host,
        assert(rc == 0);
 }
-static inline void carm_push_q (struct carm_host *host, request_queue_t *q)
+static inline void carm_push_q (struct carm_host *host, struct request_queue *q)
 {
        unsigned int idx = host->wait_q_prod % CARM_MAX_WAIT_Q;
@@ -768,7 +768,7 @@ static inline void carm_push_q (struct carm_host *host, request_queue_t *q)
        BUG_ON(host->wait_q_prod == host->wait_q_cons); /* overrun */
 }
-static inline request_queue_t *carm_pop_q(struct carm_host *host)
+static inline struct request_queue *carm_pop_q(struct carm_host *host)
 {
        unsigned int idx;
@@ -783,7 +783,7 @@ static inline request_queue_t *carm_pop_q(struct carm_host *host)
 static inline void carm_round_robin(struct carm_host *host)
 {
-        request_queue_t *q = carm_pop_q(host);
+        struct request_queue *q = carm_pop_q(host);
        if (q) {
                blk_start_queue(q);
                VPRINTK("STARTED QUEUE %p\n", q);
@@ -802,7 +802,7 @@ static inline void carm_end_rq(struct carm_host *host, struct carm_request *crq,
        }
 }
-static void carm_oob_rq_fn(request_queue_t *q)
+static void carm_oob_rq_fn(struct request_queue *q)
 {
        struct carm_host *host = q->queuedata;
        struct carm_request *crq;
@@ -833,7 +833,7 @@ static void carm_oob_rq_fn(request_queue_t *q)
        }
 }
-static void carm_rq_fn(request_queue_t *q)
+static void carm_rq_fn(struct request_queue *q)
 {
        struct carm_port *port = q->queuedata;
        struct carm_host *host = port->host;
@@ -1494,7 +1494,7 @@ static int carm_init_disks(struct carm_host *host)
        for (i = 0; i < CARM_MAX_PORTS; i++) {
                struct gendisk *disk;
-                request_queue_t *q;
+                struct request_queue *q;
                struct carm_port *port;
                port = &host->port[i];
@@ -1538,7 +1538,7 @@ static void carm_free_disks(struct carm_host *host)
        for (i = 0; i < CARM_MAX_PORTS; i++) {
                struct gendisk *disk = host->port[i].disk;
                if (disk) {
-                        request_queue_t *q = disk->queue;
+                        struct request_queue *q = disk->queue;
                        if (disk->flags & GENHD_FL_UP)
                                del_gendisk(disk);
@@ -1571,7 +1571,7 @@ static int carm_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
        struct carm_host *host;
        unsigned int pci_dac;
        int rc;
-        request_queue_t *q;
+        struct request_queue *q;
        unsigned int i;
        if (!printed_version++)
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index 8b13d7d2cb6..c57dd2b3a0c 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -503,7 +503,7 @@ static void ub_cleanup(struct ub_dev *sc)
 {
        struct list_head *p;
        struct ub_lun *lun;
-        request_queue_t *q;
+        struct request_queue *q;
        while (!list_empty(&sc->luns)) {
                p = sc->luns.next;
@@ -619,7 +619,7 @@ static struct ub_scsi_cmd *ub_cmdq_pop(struct ub_dev *sc)
 * The request function is our main entry point
 */
-static void ub_request_fn(request_queue_t *q)
+static void ub_request_fn(struct request_queue *q)
 {
        struct ub_lun *lun = q->queuedata;
        struct request *rq;
@@ -2273,7 +2273,7 @@ err_core:
 static int ub_probe_lun(struct ub_dev *sc, int lnum)
 {
        struct ub_lun *lun;
-        request_queue_t *q;
+        struct request_queue *q;
        struct gendisk *disk;
        int rc;
diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index dec74bd2349..6b7c02d6360 100644
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -114,7 +114,7 @@ struct cardinfo {
                                    */
        struct bio      *bio, *currentbio, **biotail;
-        request_queue_t *queue;
+        struct request_queue *queue;
        struct mm_page {
                dma_addr_t              page_dma;
@@ -357,7 +357,7 @@ static inline void reset_page(struct mm_page *page)
        page->biotail = & page->bio;
 }
-static void mm_unplug_device(request_queue_t *q)
+static void mm_unplug_device(struct request_queue *q)
 {
        struct cardinfo *card = q->queuedata;
        unsigned long flags;
@@ -541,7 +541,7 @@ static void process_page(unsigned long data)
 --                              mm_make_request
 -----------------------------------------------------------------------------------
 */
-static int mm_make_request(request_queue_t *q, struct bio *bio)
+static int mm_make_request(struct request_queue *q, struct bio *bio)
 {
        struct cardinfo *card = q->queuedata;
        pr_debug("mm_make_request %llu %u\n",
diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c
index dae39911a11..85916e2665d 100644
--- a/drivers/block/viodasd.c
+++ b/drivers/block/viodasd.c
@@ -400,7 +400,7 @@ error_ret:
 /*
 * This is the external request processing routine
 */
-static void do_viodasd_request(request_queue_t *q)
+static void do_viodasd_request(struct request_queue *q)
 {
        struct request *req;
diff --git a/drivers/block/xd.c b/drivers/block/xd.c
index 0d97b7eb818..624d30f7da3 100644
--- a/drivers/block/xd.c
+++ b/drivers/block/xd.c
@@ -298,7 +298,7 @@ static u_char __init xd_detect (u_char *controller, unsigned int *address)
 }
 /* do_xd_request: handle an incoming request */
-static void do_xd_request (request_queue_t * q)
+static void do_xd_request (struct request_queue * q)
 {
        struct request *req;
diff --git a/drivers/block/xd.h b/drivers/block/xd.h
index 82e090fea95..cffd44a2038 100644
--- a/drivers/block/xd.h
+++ b/drivers/block/xd.h
@@ -104,7 +104,7 @@ static int xd_manual_geo_init (char *command);
 static u_char xd_detect (u_char *controller, unsigned int *address);
 static u_char xd_initdrives (void (*init_drive)(u_char drive));
-static void do_xd_request (request_queue_t * q);
+static void do_xd_request (struct request_queue * q);
 static int xd_ioctl (struct inode *inode,struct file *file,unsigned int cmd,unsigned long arg);
 static int xd_readwrite (u_char operation,XD_INFO *disk,char *buffer,u_int block,u_int count);
 static void xd_recalibrate (u_char drive);
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 6746c29181f..964e51634f2 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -241,7 +241,7 @@ static inline void flush_requests(struct blkfront_info *info)
 * do_blkif_request
 *  read a block; request is in a request queue
 */
-static void do_blkif_request(request_queue_t *rq)
+static void do_blkif_request(struct request_queue *rq)
 {
        struct blkfront_info *info = NULL;
        struct request *req;
@@ -287,7 +287,7 @@ wait:
 static int xlvbd_init_blk_queue(struct gendisk *gd, u16 sector_size)
 {
-        request_queue_t *rq;
+        struct request_queue *rq;
        rq = blk_init_queue(do_blkif_request, &blkif_io_lock);
        if (rq == NULL)
diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c
index 732ec63b6e9..cb27e8863d7 100644
--- a/drivers/block/xsysace.c
+++ b/drivers/block/xsysace.c
@@ -458,7 +458,7 @@ static inline void ace_fsm_yieldirq(struct ace_device *ace)
 }
 /* Get the next read/write request; ending requests that we don't handle */
-struct request *ace_get_next_request(request_queue_t * q)
+struct request *ace_get_next_request(struct request_queue * q)
 {
        struct request *req;
@@ -825,7 +825,7 @@ static irqreturn_t ace_interrupt(int irq, void *dev_id)
 /* ---------------------------------------------------------------------
 * Block ops
 */
-static void ace_request(request_queue_t * q)
+static void ace_request(struct request_queue * q)
 {
        struct request *req;
        struct ace_device *ace;
diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c
index e40fa98842e..2d5853cbd4b 100644
--- a/drivers/block/z2ram.c
+++ b/drivers/block/z2ram.c
@@ -67,7 +67,7 @@ static DEFINE_SPINLOCK(z2ram_lock);
 static struct block_device_operations z2_fops;
 static struct gendisk *z2ram_gendisk;
-static void do_z2_request(request_queue_t *q)
+static void do_z2_request(struct request_queue *q)
 {
        struct request *req;
        while ((req = elv_next_request(q)) != NULL) {
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index 499019bf8f4..67ee3d4b287 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -2094,7 +2094,7 @@ out:
 static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf,
                               int lba, int nframes)
 {
-        request_queue_t *q = cdi->disk->queue;
+        struct request_queue *q = cdi->disk->queue;
        struct request *rq;
        struct bio *bio;
        unsigned int len;
diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c
index 44cd7b2ddf0..e51550db157 100644
--- a/drivers/cdrom/viocd.c
+++ b/drivers/cdrom/viocd.c
@@ -398,7 +398,7 @@ static void viocd_end_request(struct request *req, int uptodate)
 static int rwreq;
-static void do_viocd_request(request_queue_t *q)
+static void do_viocd_request(struct request_queue *q)
 {
        struct request *req;
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 1486eb212cc..ca843522f91 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -3071,7 +3071,7 @@ static inline void ide_cdrom_add_settings(ide_drive_t *drive) { ; }
 /*
 * standard prep_rq_fn that builds 10 byte cmds
 */
-static int ide_cdrom_prep_fs(request_queue_t *q, struct request *rq)
+static int ide_cdrom_prep_fs(struct request_queue *q, struct request *rq)
 {
        int hard_sect = queue_hardsect_size(q);
        long block = (long)rq->hard_sector / (hard_sect >> 9);
@@ -3137,7 +3137,7 @@ static int ide_cdrom_prep_pc(struct request *rq)
        return BLKPREP_OK;
 }
-static int ide_cdrom_prep_fn(request_queue_t *q, struct request *rq)
+static int ide_cdrom_prep_fn(struct request_queue *q, struct request *rq)
 {
        if (blk_fs_request(rq))
                return ide_cdrom_prep_fs(q, rq);
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index b1304a7f3e0..5ce4216f72a 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -679,7 +679,7 @@ static ide_proc_entry_t idedisk_proc[] = {
 };
 #endif  /* CONFIG_IDE_PROC_FS */
-static void idedisk_prepare_flush(request_queue_t *q, struct request *rq)
+static void idedisk_prepare_flush(struct request_queue *q, struct request *rq)
 {
        ide_drive_t *drive = q->queuedata;
@@ -697,7 +697,7 @@ static void idedisk_prepare_flush(request_queue_t *q, struct request *rq)
        rq->buffer = rq->cmd;
 }
-static int idedisk_issue_flush(request_queue_t *q, struct gendisk *disk,
+static int idedisk_issue_flush(struct request_queue *q, struct gendisk *disk,
                               sector_t *error_sector)
 {
        ide_drive_t *drive = q->queuedata;
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 484c50e7144..aa9f5f0b1e6 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -1327,7 +1327,7 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq)
 /*
 * Passes the stuff to ide_do_request
 */
-void do_ide_request(request_queue_t *q)
+void do_ide_request(struct request_queue *q)
 {
        ide_drive_t *drive = q->queuedata;
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 5a4c5ea12f8..3a2a9a338fd 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -945,7 +945,7 @@ static void save_match(ide_hwif_t *hwif, ide_hwif_t *new, ide_hwif_t **match)
 */
 static int ide_init_queue(ide_drive_t *drive)
 {
-        request_queue_t *q;
+        struct request_queue *q;
        ide_hwif_t *hwif = HWIF(drive);
        int max_sectors = 256;
        int max_sg_entries = PRD_ENTRIES;
diff --git a/drivers/ide/legacy/hd.c b/drivers/ide/legacy/hd.c
index 8f2db8dd35f..8e05d88e81b 100644
--- a/drivers/ide/legacy/hd.c
+++ b/drivers/ide/legacy/hd.c
@@ -652,7 +652,7 @@ repeat:
        }
 }
-static void do_hd_request (request_queue_t * q)
+static void do_hd_request (struct request_queue * q)
 {
        disable_irq(HD_IRQ);
        hd_request();
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 2fc199b0016..2bcde5798b5 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -526,7 +526,7 @@ static int __table_get_device(struct dm_table *t, struct dm_target *ti,
 void dm_set_device_limits(struct dm_target *ti, struct block_device *bdev)
 {
-        request_queue_t *q = bdev_get_queue(bdev);
+        struct request_queue *q = bdev_get_queue(bdev);
        struct io_restrictions *rs = &ti->limits;
        /*
@@ -979,7 +979,7 @@ int dm_table_any_congested(struct dm_table *t, int bdi_bits)
        devices = dm_table_get_devices(t);
        for (d = devices->next; d != devices; d = d->next) {
                struct dm_dev *dd = list_entry(d, struct dm_dev, list);
-                request_queue_t *q = bdev_get_queue(dd->bdev);
+                struct request_queue *q = bdev_get_queue(dd->bdev);
                r |= bdi_congested(&q->backing_dev_info, bdi_bits);
        }
@@ -992,7 +992,7 @@ void dm_table_unplug_all(struct dm_table *t)
        for (d = devices->next; d != devices; d = d->next) {
                struct dm_dev *dd = list_entry(d, struct dm_dev, list);
-                request_queue_t *q = bdev_get_queue(dd->bdev);
+                struct request_queue *q = bdev_get_queue(dd->bdev);
                if (q->unplug_fn)
                        q->unplug_fn(q);
@@ -1011,7 +1011,7 @@ int dm_table_flush_all(struct dm_table *t)
        for (d = devices->next; d != devices; d = d->next) {
                struct dm_dev *dd = list_entry(d, struct dm_dev, list);
-                request_queue_t *q = bdev_get_queue(dd->bdev);
+                struct request_queue *q = bdev_get_queue(dd->bdev);
                int err;
                if (!q->issue_flush_fn)
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 846614e676c..141ff9fa296 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -80,7 +80,7 @@ struct mapped_device {
        unsigned long flags;
-        request_queue_t *queue;
+        struct request_queue *queue;
        struct gendisk *disk;
        char name[16];
@@ -792,7 +792,7 @@ static void __split_bio(struct mapped_device *md, struct bio *bio)
 * The request function that just remaps the bio built up by
 * dm_merge_bvec.
 */
-static int dm_request(request_queue_t *q, struct bio *bio)
+static int dm_request(struct request_queue *q, struct bio *bio)
 {
        int r;
        int rw = bio_data_dir(bio);
@@ -844,7 +844,7 @@ static int dm_request(request_queue_t *q, struct bio *bio)
        return 0;
 }
-static int dm_flush_all(request_queue_t *q, struct gendisk *disk,
+static int dm_flush_all(struct request_queue *q, struct gendisk *disk,
                        sector_t *error_sector)
 {
        struct mapped_device *md = q->queuedata;
@@ -859,7 +859,7 @@ static int dm_flush_all(request_queue_t *q, struct gendisk *disk,
        return ret;
 }
-static void dm_unplug_all(request_queue_t *q)
+static void dm_unplug_all(struct request_queue *q)
 {
        struct mapped_device *md = q->queuedata;
        struct dm_table *map = dm_get_table(md);
@@ -1110,7 +1110,7 @@ static void __set_size(struct mapped_device *md, sector_t size)
 static int __bind(struct mapped_device *md, struct dm_table *t)
 {
-        request_queue_t *q = md->queue;
+        struct request_queue *q = md->queue;
        sector_t size;
        size = dm_table_get_size(t);
diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c
index 4ebd0f2a75e..cb059cf14c2 100644
--- a/drivers/md/faulty.c
+++ b/drivers/md/faulty.c
@@ -167,7 +167,7 @@ static void add_sector(conf_t *conf, sector_t start, int mode)
                conf->nfaults = n+1;
 }
-static int make_request(request_queue_t *q, struct bio *bio)
+static int make_request(struct request_queue *q, struct bio *bio)
 {
        mddev_t *mddev = q->queuedata;
        conf_t *conf = (conf_t*)mddev->private;
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index 19274108319..17f795c3e0a 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -55,7 +55,7 @@ static inline dev_info_t *which_dev(mddev_t *mddev, sector_t sector)
 *
 *      Return amount of bytes we can take at this offset
 */
-static int linear_mergeable_bvec(request_queue_t *q, struct bio *bio, struct bio_vec *biovec)
+static int linear_mergeable_bvec(struct request_queue *q, struct bio *bio, struct bio_vec *biovec)
 {
        mddev_t *mddev = q->queuedata;
        dev_info_t *dev0;
@@ -79,20 +79,20 @@ static int linear_mergeable_bvec(request_queue_t *q, struct bio *bio, struct bio
        return maxsectors << 9;
 }
-static void linear_unplug(request_queue_t *q)
+static void linear_unplug(struct request_queue *q)
 {
        mddev_t *mddev = q->queuedata;
        linear_conf_t *conf = mddev_to_conf(mddev);
        int i;
        for (i=0; i < mddev->raid_disks; i++) {
-                request_queue_t *r_queue = bdev_get_queue(conf->disks[i].rdev->bdev);
+                struct request_queue *r_queue = bdev_get_queue(conf->disks[i].rdev->bdev);
                if (r_queue->unplug_fn)
                        r_queue->unplug_fn(r_queue);
        }
 }
-static int linear_issue_flush(request_queue_t *q, struct gendisk *disk,
+static int linear_issue_flush(struct request_queue *q, struct gendisk *disk,
                              sector_t *error_sector)
 {
        mddev_t *mddev = q->queuedata;
@@ -101,7 +101,7 @@ static int linear_issue_flush(request_queue_t *q, struct gendisk *disk,
        for (i=0; i < mddev->raid_disks && ret == 0; i++) {
                struct block_device *bdev = conf->disks[i].rdev->bdev;
-                request_queue_t *r_queue = bdev_get_queue(bdev);
+                struct request_queue *r_queue = bdev_get_queue(bdev);
                if (!r_queue->issue_flush_fn)
                        ret = -EOPNOTSUPP;
@@ -118,7 +118,7 @@ static int linear_congested(void *data, int bits)
        int i, ret = 0;
        for (i = 0; i < mddev->raid_disks && !ret ; i++) {
-                request_queue_t *q = bdev_get_queue(conf->disks[i].rdev->bdev);
+                struct request_queue *q = bdev_get_queue(conf->disks[i].rdev->bdev);
                ret |= bdi_congested(&q->backing_dev_info, bits);
        }
        return ret;
@@ -330,7 +330,7 @@ static int linear_stop (mddev_t *mddev)
        return 0;
 }
-static int linear_make_request (request_queue_t *q, struct bio *bio)
+static int linear_make_request (struct request_queue *q, struct bio *bio)
 {
        const int rw = bio_data_dir(bio);
        mddev_t *mddev = q->queuedata;
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 65ddc887dfd..f883b7e37f3 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -211,7 +211,7 @@ static DEFINE_SPINLOCK(all_mddevs_lock);
                )
-static int md_fail_request (request_queue_t *q, struct bio *bio)
+static int md_fail_request (struct request_queue *q, struct bio *bio)
 {
        bio_io_error(bio, bio->bi_size);
        return 0;
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 14da37fee37..1e2af43a73b 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -125,7 +125,7 @@ static void unplug_slaves(mddev_t *mddev)
                mdk_rdev_t *rdev = rcu_dereference(conf->multipaths[i].rdev);
                if (rdev && !test_bit(Faulty, &rdev->flags)
                    && atomic_read(&rdev->nr_pending)) {
-                        request_queue_t *r_queue = bdev_get_queue(rdev->bdev);
+                        struct request_queue *r_queue = bdev_get_queue(rdev->bdev);
                        atomic_inc(&rdev->nr_pending);
                        rcu_read_unlock();
@@ -140,13 +140,13 @@ static void unplug_slaves(mddev_t *mddev)
        rcu_read_unlock();
 }
-static void multipath_unplug(request_queue_t *q)
+static void multipath_unplug(struct request_queue *q)
 {
        unplug_slaves(q->queuedata);
 }
-static int multipath_make_request (request_queue_t *q, struct bio * bio)
+static int multipath_make_request (struct request_queue *q, struct bio * bio)
 {
        mddev_t *mddev = q->queuedata;
        multipath_conf_t *conf = mddev_to_conf(mddev);
@@ -199,7 +199,7 @@ static void multipath_status (struct seq_file *seq, mddev_t *mddev)
        seq_printf (seq, "]");
 }
-static int multipath_issue_flush(request_queue_t *q, struct gendisk *disk,
+static int multipath_issue_flush(struct request_queue *q, struct gendisk *disk,
                                 sector_t *error_sector)
 {
        mddev_t *mddev = q->queuedata;
@@ -211,7 +211,7 @@ static int multipath_issue_flush(request_queue_t *q, struct gendisk *disk,
                mdk_rdev_t *rdev = rcu_dereference(conf->multipaths[i].rdev);
                if (rdev && !test_bit(Faulty, &rdev->flags)) {
                        struct block_device *bdev = rdev->bdev;
-                        request_queue_t *r_queue = bdev_get_queue(bdev);
+                        struct request_queue *r_queue = bdev_get_queue(bdev);
                        if (!r_queue->issue_flush_fn)
                                ret = -EOPNOTSUPP;
@@ -238,7 +238,7 @@ static int multipath_congested(void *data, int bits)
        for (i = 0; i < mddev->raid_disks ; i++) {
                mdk_rdev_t *rdev = rcu_dereference(conf->multipaths[i].rdev);
                if (rdev && !test_bit(Faulty, &rdev->flags)) {
-                        request_queue_t *q = bdev_get_queue(rdev->bdev);
+                        struct request_queue *q = bdev_get_queue(rdev->bdev);
                        ret |= bdi_congested(&q->backing_dev_info, bits);
                        /* Just like multipath_map, we just check the
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 2c404f73a37..b8216bc6db4 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -25,7 +25,7 @@
 #define MD_DRIVER
 #define MD_PERSONALITY
-static void raid0_unplug(request_queue_t *q)
+static void raid0_unplug(struct request_queue *q)
 {
        mddev_t *mddev = q->queuedata;
        raid0_conf_t *conf = mddev_to_conf(mddev);
@@ -33,14 +33,14 @@ static void raid0_unplug(request_queue_t *q)
        int i;
        for (i=0; i<mddev->raid_disks; i++) {
-                request_queue_t *r_queue = bdev_get_queue(devlist[i]->bdev);
+                struct request_queue *r_queue = bdev_get_queue(devlist[i]->bdev);
                if (r_queue->unplug_fn)
                        r_queue->unplug_fn(r_queue);
        }
 }
-static int raid0_issue_flush(request_queue_t *q, struct gendisk *disk,
+static int raid0_issue_flush(struct request_queue *q, struct gendisk *disk,
                             sector_t *error_sector)
 {
        mddev_t *mddev = q->queuedata;
@@ -50,7 +50,7 @@ static int raid0_issue_flush(request_queue_t *q, struct gendisk *disk,
        for (i=0; i<mddev->raid_disks && ret == 0; i++) {
                struct block_device *bdev = devlist[i]->bdev;
-                request_queue_t *r_queue = bdev_get_queue(bdev);
+                struct request_queue *r_queue = bdev_get_queue(bdev);
                if (!r_queue->issue_flush_fn)
                        ret = -EOPNOTSUPP;
@@ -68,7 +68,7 @@ static int raid0_congested(void *data, int bits)
        int i, ret = 0;
        for (i = 0; i < mddev->raid_disks && !ret ; i++) {
-                request_queue_t *q = bdev_get_queue(devlist[i]->bdev);
+                struct request_queue *q = bdev_get_queue(devlist[i]->bdev);
                ret |= bdi_congested(&q->backing_dev_info, bits);
        }
@@ -268,7 +268,7 @@ static int create_strip_zones (mddev_t *mddev)
 *
 *      Return amount of bytes we can accept at this offset
 */
-static int raid0_mergeable_bvec(request_queue_t *q, struct bio *bio, struct bio_vec *biovec)
+static int raid0_mergeable_bvec(struct request_queue *q, struct bio *bio, struct bio_vec *biovec)
 {
        mddev_t *mddev = q->queuedata;
        sector_t sector = bio->bi_sector + get_start_sect(bio->bi_bdev);
@@ -408,7 +408,7 @@ static int raid0_stop (mddev_t *mddev)
        return 0;
 }
-static int raid0_make_request (request_queue_t *q, struct bio *bio)
+static int raid0_make_request (struct request_queue *q, struct bio *bio)
 {
        mddev_t *mddev = q->queuedata;
        unsigned int sect_in_chunk, chunksize_bits,  chunk_size, chunk_sects;
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 00c78b77b13..650991bddd8 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -552,7 +552,7 @@ static void unplug_slaves(mddev_t *mddev)
        for (i=0; i<mddev->raid_disks; i++) {
                mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
                if (rdev && !test_bit(Faulty, &rdev->flags) && atomic_read(&rdev->nr_pending)) {
-                        request_queue_t *r_queue = bdev_get_queue(rdev->bdev);
+                        struct request_queue *r_queue = bdev_get_queue(rdev->bdev);
                        atomic_inc(&rdev->nr_pending);
                        rcu_read_unlock();
@@ -567,7 +567,7 @@ static void unplug_slaves(mddev_t *mddev)
        rcu_read_unlock();
 }
-static void raid1_unplug(request_queue_t *q)
+static void raid1_unplug(struct request_queue *q)
 {
        mddev_t *mddev = q->queuedata;
@@ -575,7 +575,7 @@ static void raid1_unplug(request_queue_t *q)
        md_wakeup_thread(mddev->thread);
 }
-static int raid1_issue_flush(request_queue_t *q, struct gendisk *disk,
+static int raid1_issue_flush(struct request_queue *q, struct gendisk *disk,
                             sector_t *error_sector)
 {
        mddev_t *mddev = q->queuedata;
@@ -587,7 +587,7 @@ static int raid1_issue_flush(request_queue_t *q, struct gendisk *disk,
                mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
                if (rdev && !test_bit(Faulty, &rdev->flags)) {
                        struct block_device *bdev = rdev->bdev;
-                        request_queue_t *r_queue = bdev_get_queue(bdev);
+                        struct request_queue *r_queue = bdev_get_queue(bdev);
                        if (!r_queue->issue_flush_fn)
                                ret = -EOPNOTSUPP;
@@ -615,7 +615,7 @@ static int raid1_congested(void *data, int bits)
        for (i = 0; i < mddev->raid_disks; i++) {
                mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
                if (rdev && !test_bit(Faulty, &rdev->flags)) {
-                        request_queue_t *q = bdev_get_queue(rdev->bdev);
+                        struct request_queue *q = bdev_get_queue(rdev->bdev);
                        /* Note the '|| 1' - when read_balance prefers
                         * non-congested targets, it can be removed
@@ -765,7 +765,7 @@ do_sync_io:
        return NULL;
 }
-static int make_request(request_queue_t *q, struct bio * bio)
+static int make_request(struct request_queue *q, struct bio * bio)
 {
        mddev_t *mddev = q->queuedata;
        conf_t *conf = mddev_to_conf(mddev);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index a95ada1cfac..f730a144baf 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -453,7 +453,7 @@ static sector_t raid10_find_virt(conf_t *conf, sector_t sector, int dev)
 *      If near_copies == raid_disk, there are no striping issues,
 *      but in that case, the function isn't called at all.
 */
-static int raid10_mergeable_bvec(request_queue_t *q, struct bio *bio,
+static int raid10_mergeable_bvec(struct request_queue *q, struct bio *bio,
                                struct bio_vec *bio_vec)
 {
        mddev_t *mddev = q->queuedata;
@@ -595,7 +595,7 @@ static void unplug_slaves(mddev_t *mddev)
        for (i=0; i<mddev->raid_disks; i++) {
                mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
                if (rdev && !test_bit(Faulty, &rdev->flags) && atomic_read(&rdev->nr_pending)) {
-                        request_queue_t *r_queue = bdev_get_queue(rdev->bdev);
+                        struct request_queue *r_queue = bdev_get_queue(rdev->bdev);
                        atomic_inc(&rdev->nr_pending);
                        rcu_read_unlock();
@@ -610,7 +610,7 @@ static void unplug_slaves(mddev_t *mddev)
        rcu_read_unlock();
 }
-static void raid10_unplug(request_queue_t *q)
+static void raid10_unplug(struct request_queue *q)
 {
        mddev_t *mddev = q->queuedata;
@@ -618,7 +618,7 @@ static void raid10_unplug(request_queue_t *q)
        md_wakeup_thread(mddev->thread);
 }
-static int raid10_issue_flush(request_queue_t *q, struct gendisk *disk,
+static int raid10_issue_flush(struct request_queue *q, struct gendisk *disk,
                             sector_t *error_sector)
 {
        mddev_t *mddev = q->queuedata;
@@ -630,7 +630,7 @@ static int raid10_issue_flush(request_queue_t *q, struct gendisk *disk,
                mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
                if (rdev && !test_bit(Faulty, &rdev->flags)) {
                        struct block_device *bdev = rdev->bdev;
-                        request_queue_t *r_queue = bdev_get_queue(bdev);
+                        struct request_queue *r_queue = bdev_get_queue(bdev);
                        if (!r_queue->issue_flush_fn)
                                ret = -EOPNOTSUPP;
@@ -658,7 +658,7 @@ static int raid10_congested(void *data, int bits)
        for (i = 0; i < mddev->raid_disks && ret == 0; i++) {
                mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
                if (rdev && !test_bit(Faulty, &rdev->flags)) {
-                        request_queue_t *q = bdev_get_queue(rdev->bdev);
+                        struct request_queue *q = bdev_get_queue(rdev->bdev);
                        ret |= bdi_congested(&q->backing_dev_info, bits);
                }
@@ -772,7 +772,7 @@ static void unfreeze_array(conf_t *conf)
        spin_unlock_irq(&conf->resync_lock);
 }
-static int make_request(request_queue_t *q, struct bio * bio)
+static int make_request(struct request_queue *q, struct bio * bio)
 {
        mddev_t *mddev = q->queuedata;
        conf_t *conf = mddev_to_conf(mddev);
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index d90ee145eff..2aff4be35dc 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -289,7 +289,7 @@ static struct stripe_head *__find_stripe(raid5_conf_t *conf, sector_t sector, in
 }
 static void unplug_slaves(mddev_t *mddev);
-static void raid5_unplug_device(request_queue_t *q);
+static void raid5_unplug_device(struct request_queue *q);
 static struct stripe_head *get_active_stripe(raid5_conf_t *conf, sector_t sector, int disks,
                                             int pd_idx, int noblock)
@@ -3182,7 +3182,7 @@ static void unplug_slaves(mddev_t *mddev)
        for (i=0; i<mddev->raid_disks; i++) {
                mdk_rdev_t *rdev = rcu_dereference(conf->disks[i].rdev);
                if (rdev && !test_bit(Faulty, &rdev->flags) && atomic_read(&rdev->nr_pending)) {
-                        request_queue_t *r_queue = bdev_get_queue(rdev->bdev);
+                        struct request_queue *r_queue = bdev_get_queue(rdev->bdev);
                        atomic_inc(&rdev->nr_pending);
                        rcu_read_unlock();
@@ -3197,7 +3197,7 @@ static void unplug_slaves(mddev_t *mddev)
        rcu_read_unlock();
 }
-static void raid5_unplug_device(request_queue_t *q)
+static void raid5_unplug_device(struct request_queue *q)
 {
        mddev_t *mddev = q->queuedata;
        raid5_conf_t *conf = mddev_to_conf(mddev);
@@ -3216,7 +3216,7 @@ static void raid5_unplug_device(request_queue_t *q)
        unplug_slaves(mddev);
 }
-static int raid5_issue_flush(request_queue_t *q, struct gendisk *disk,
+static int raid5_issue_flush(struct request_queue *q, struct gendisk *disk,
                             sector_t *error_sector)
 {
        mddev_t *mddev = q->queuedata;
@@ -3228,7 +3228,7 @@ static int raid5_issue_flush(request_queue_t *q, struct gendisk *disk,
                mdk_rdev_t *rdev = rcu_dereference(conf->disks[i].rdev);
                if (rdev && !test_bit(Faulty, &rdev->flags)) {
                        struct block_device *bdev = rdev->bdev;
-                        request_queue_t *r_queue = bdev_get_queue(bdev);
+                        struct request_queue *r_queue = bdev_get_queue(bdev);
                        if (!r_queue->issue_flush_fn)
                                ret = -EOPNOTSUPP;
@@ -3267,7 +3267,7 @@ static int raid5_congested(void *data, int bits)
 /* We want read requests to align with chunks where possible,
 * but write requests don't need to.
 */
-static int raid5_mergeable_bvec(request_queue_t *q, struct bio *bio, struct bio_vec *biovec)
+static int raid5_mergeable_bvec(struct request_queue *q, struct bio *bio, struct bio_vec *biovec)
 {
        mddev_t *mddev = q->queuedata;
        sector_t sector = bio->bi_sector + get_start_sect(bio->bi_bdev);
@@ -3377,7 +3377,7 @@ static int raid5_align_endio(struct bio *bi, unsigned int bytes, int error)
 static int bio_fits_rdev(struct bio *bi)
 {
-        request_queue_t *q = bdev_get_queue(bi->bi_bdev);
+        struct request_queue *q = bdev_get_queue(bi->bi_bdev);
        if ((bi->bi_size>>9) > q->max_sectors)
                return 0;
@@ -3396,7 +3396,7 @@ static int bio_fits_rdev(struct bio *bi)
 }
-static int chunk_aligned_read(request_queue_t *q, struct bio * raid_bio)
+static int chunk_aligned_read(struct request_queue *q, struct bio * raid_bio)
 {
        mddev_t *mddev = q->queuedata;
        raid5_conf_t *conf = mddev_to_conf(mddev);
@@ -3466,7 +3466,7 @@ static int chunk_aligned_read(request_queue_t *q, struct bio * raid_bio)
 }
-static int make_request(request_queue_t *q, struct bio * bi)
+static int make_request(struct request_queue *q, struct bio * bi)
 {
        mddev_t *mddev = q->queuedata;
        raid5_conf_t *conf = mddev_to_conf(mddev);
diff --git a/drivers/message/i2o/i2o_block.c b/drivers/message/i2o/i2o_block.c
index 988c8ce47f5..5e1c99f83ab 100644
--- a/drivers/message/i2o/i2o_block.c
+++ b/drivers/message/i2o/i2o_block.c
@@ -159,7 +159,7 @@ static int i2o_block_device_flush(struct i2o_device *dev)
 *      Returns 0 on success or negative error code on failure.
 */
-static int i2o_block_issue_flush(request_queue_t * queue, struct gendisk *disk,
+static int i2o_block_issue_flush(struct request_queue * queue, struct gendisk *disk,
                                 sector_t * error_sector)
 {
        struct i2o_block_device *i2o_blk_dev = queue->queuedata;
@@ -445,7 +445,7 @@ static void i2o_block_end_request(struct request *req, int uptodate,
 {
        struct i2o_block_request *ireq = req->special;
        struct i2o_block_device *dev = ireq->i2o_blk_dev;
-        request_queue_t *q = req->q;
+        struct request_queue *q = req->q;
        unsigned long flags;
        if (end_that_request_chunk(req, uptodate, nr_bytes)) {
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index b53dac8d1b6..e02eac87636 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -83,7 +83,7 @@ static int mmc_queue_thread(void *d)
 * on any queue on this host, and attempt to issue it.  This may
 * not be the queue we were asked to process.
 */
-static void mmc_request(request_queue_t *q)
+static void mmc_request(struct request_queue *q)
 {
        struct mmc_queue *mq = q->queuedata;
        struct request *req;
@@ -211,7 +211,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock
 void mmc_cleanup_queue(struct mmc_queue *mq)
 {
-        request_queue_t *q = mq->queue;
+        struct request_queue *q = mq->queue;
        unsigned long flags;
        /* Mark that we should start throwing out stragglers */
@@ -252,7 +252,7 @@ EXPORT_SYMBOL(mmc_cleanup_queue);
 */
 void mmc_queue_suspend(struct mmc_queue *mq)
 {
-        request_queue_t *q = mq->queue;
+        struct request_queue *q = mq->queue;
        unsigned long flags;
        if (!(mq->flags & MMC_QUEUE_SUSPENDED)) {
@@ -272,7 +272,7 @@ void mmc_queue_suspend(struct mmc_queue *mq)
 */
 void mmc_queue_resume(struct mmc_queue *mq)
 {
-        request_queue_t *q = mq->queue;
+        struct request_queue *q = mq->queue;
        unsigned long flags;
        if (mq->flags & MMC_QUEUE_SUSPENDED) {
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index bfeca57098f..e6bfce690ca 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -1187,7 +1187,7 @@ dasd_end_request_cb(struct dasd_ccw_req * cqr, void *data)
 static void
 __dasd_process_blk_queue(struct dasd_device * device)
 {
-        request_queue_t *queue;
+        struct request_queue *queue;
        struct request *req;
        struct dasd_ccw_req *cqr;
        int nr_queued;
@@ -1740,7 +1740,7 @@ dasd_cancel_req(struct dasd_ccw_req *cqr)
 * Dasd request queue function. Called from ll_rw_blk.c
 */
 static void
-do_dasd_request(request_queue_t * queue)
+do_dasd_request(struct request_queue * queue)
 {
        struct dasd_device *device;
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 241294cba41..aeda5268244 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -293,7 +293,7 @@ struct dasd_uid {
 struct dasd_device {
        /* Block device stuff. */
        struct gendisk *gdp;
-        request_queue_t *request_queue;
+        struct request_queue *request_queue;
        spinlock_t request_queue_lock;
        struct block_device *bdev;
        unsigned int devindex;
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 35765f6a86e..4d8798bacf9 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -621,7 +621,7 @@ out:
 }
 static int
-dcssblk_make_request(request_queue_t *q, struct bio *bio)
+dcssblk_make_request(struct request_queue *q, struct bio *bio)
 {
        struct dcssblk_dev_info *dev_info;
        struct bio_vec *bvec;
diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c
index a04d9120cef..354a060e5be 100644
--- a/drivers/s390/block/xpram.c
+++ b/drivers/s390/block/xpram.c
@@ -191,7 +191,7 @@ static unsigned long __init xpram_highest_page_index(void)
 /*
 * Block device make request function.
 */
-static int xpram_make_request(request_queue_t *q, struct bio *bio)
+static int xpram_make_request(struct request_queue *q, struct bio *bio)
 {
        xpram_device_t *xdev = bio->bi_bdev->bd_disk->private_data;
        struct bio_vec *bvec;
diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h
index 3b52f5c1dbe..dddf8d62c15 100644
--- a/drivers/s390/char/tape.h
+++ b/drivers/s390/char/tape.h
@@ -188,7 +188,7 @@ struct tape_blk_data
 {
        struct tape_device *    device;
        /* Block device request queue. */
-        request_queue_t *       request_queue;
+        struct request_queue *  request_queue;
        spinlock_t              request_queue_lock;
        /* Task to move entries from block request to CCS request queue. */
diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index dd0ecaed592..eeb92e2ed0c 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -147,7 +147,7 @@ static void
 tapeblock_requeue(struct work_struct *work) {
        struct tape_blk_data *  blkdat;
        struct tape_device *    device;
-        request_queue_t *       queue;
+        struct request_queue *  queue;
        int                     nr_queued;
        struct request *        req;
        struct list_head *      l;
@@ -194,7 +194,7 @@ tapeblock_requeue(struct work_struct *work) {
 * Tape request queue function. Called from ll_rw_blk.c
 */
 static void
-tapeblock_request_fn(request_queue_t *queue)
+tapeblock_request_fn(struct request_queue *queue)
 {
        struct tape_device *device;
diff --git a/drivers/sbus/char/jsflash.c b/drivers/sbus/char/jsflash.c
index 5157a2abc58..4b7079fdc10 100644
--- a/drivers/sbus/char/jsflash.c
+++ b/drivers/sbus/char/jsflash.c
@@ -185,7 +185,7 @@ static void jsfd_read(char *buf, unsigned long p, size_t togo) {
        }
 }
-static void jsfd_do_request(request_queue_t *q)
+static void jsfd_do_request(struct request_queue *q)
 {
        struct request *req;
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index da63c544919..21c075d44db 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -654,7 +654,7 @@ void scsi_run_host_queues(struct Scsi_Host *shost)
 static struct scsi_cmnd *scsi_end_request(struct scsi_cmnd *cmd, int uptodate,
                                          int bytes, int requeue)
 {
-        request_queue_t *q = cmd->device->request_queue;
+        struct request_queue *q = cmd->device->request_queue;
        struct request *req = cmd->request;
        unsigned long flags;
@@ -818,7 +818,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
 {
        int result = cmd->result;
        int this_count = cmd->request_bufflen;
-        request_queue_t *q = cmd->device->request_queue;
+        struct request_queue *q = cmd->device->request_queue;
        struct request *req = cmd->request;
        int clear_errors = 1;
        struct scsi_sense_hdr sshdr;
@@ -1038,7 +1038,7 @@ static int scsi_init_io(struct scsi_cmnd *cmd)
        return BLKPREP_KILL;
 }
-static int scsi_issue_flush_fn(request_queue_t *q, struct gendisk *disk,
+static int scsi_issue_flush_fn(struct request_queue *q, struct gendisk *disk,
                               sector_t *error_sector)
 {
        struct scsi_device *sdev = q->queuedata;
@@ -1340,7 +1340,7 @@ static inline int scsi_host_queue_ready(struct request_queue *q,
 /*
 * Kill a request for a dead device
 */
-static void scsi_kill_request(struct request *req, request_queue_t *q)
+static void scsi_kill_request(struct request *req, struct request_queue *q)
 {
        struct scsi_cmnd *cmd = req->special;
        struct scsi_device *sdev = cmd->device;
@@ -2119,7 +2119,7 @@ EXPORT_SYMBOL(scsi_target_resume);
 int
 scsi_internal_device_block(struct scsi_device *sdev)
 {
-        request_queue_t *q = sdev->request_queue;
+        struct request_queue *q = sdev->request_queue;
        unsigned long flags;
        int err = 0;
@@ -2159,7 +2159,7 @@ EXPORT_SYMBOL_GPL(scsi_internal_device_block);
 int
 scsi_internal_device_unblock(struct scsi_device *sdev)
 {
-        request_queue_t *q = sdev->request_queue; 
+        struct request_queue *q = sdev->request_queue; 
        int err;
        unsigned long flags;
        
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 424d557284a..e21c7142a3e 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -814,7 +814,7 @@ static int sd_issue_flush(struct device *dev, sector_t *error_sector)
        return ret;
 }
-static void sd_prepare_flush(request_queue_t *q, struct request *rq)
+static void sd_prepare_flush(struct request_queue *q, struct request *rq)
 {
        memset(rq->cmd, 0, sizeof(rq->cmd));
        rq->cmd_type = REQ_TYPE_BLOCK_PC;
@@ -1285,7 +1285,7 @@ got_data:
                 */
                int hard_sector = sector_size;
                sector_t sz = (sdkp->capacity/2) * (hard_sector/256);
-                request_queue_t *queue = sdp->request_queue;
+                struct request_queue *queue = sdp->request_queue;
                sector_t mb = sz;
                blk_queue_hardsect_size(queue, hard_sector);
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index e7b6a7fde1c..902eb11ffe8 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -624,7 +624,7 @@ static void get_sectorsize(struct scsi_cd *cd)
        unsigned char *buffer;
        int the_result, retries = 3;
        int sector_size;
-        request_queue_t *queue;
+        struct request_queue *queue;
        buffer = kmalloc(512, GFP_KERNEL | GFP_DMA);
        if (!buffer)
diff --git a/fs/bio.c b/fs/bio.c
index 0d2c2d38b7b..29a44c1b64c 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -230,7 +230,7 @@ void bio_put(struct bio *bio)
        }
 }
-inline int bio_phys_segments(request_queue_t *q, struct bio *bio)
+inline int bio_phys_segments(struct request_queue *q, struct bio *bio)
 {
        if (unlikely(!bio_flagged(bio, BIO_SEG_VALID)))
                blk_recount_segments(q, bio);
@@ -238,7 +238,7 @@ inline int bio_phys_segments(request_queue_t *q, struct bio *bio)
        return bio->bi_phys_segments;
 }
-inline int bio_hw_segments(request_queue_t *q, struct bio *bio)
+inline int bio_hw_segments(struct request_queue *q, struct bio *bio)
 {
        if (unlikely(!bio_flagged(bio, BIO_SEG_VALID)))
                blk_recount_segments(q, bio);
@@ -257,7 +257,7 @@ inline int bio_hw_segments(request_queue_t *q, struct bio *bio)
 */
 void __bio_clone(struct bio *bio, struct bio *bio_src)
 {
-        request_queue_t *q = bdev_get_queue(bio_src->bi_bdev);
+        struct request_queue *q = bdev_get_queue(bio_src->bi_bdev);
        memcpy(bio->bi_io_vec, bio_src->bi_io_vec,
                bio_src->bi_max_vecs * sizeof(struct bio_vec));
@@ -303,7 +303,7 @@ struct bio *bio_clone(struct bio *bio, gfp_t gfp_mask)
 */
 int bio_get_nr_vecs(struct block_device *bdev)
 {
-        request_queue_t *q = bdev_get_queue(bdev);
+        struct request_queue *q = bdev_get_queue(bdev);
        int nr_pages;
        nr_pages = ((q->max_sectors << 9) + PAGE_SIZE - 1) >> PAGE_SHIFT;
@@ -315,7 +315,7 @@ int bio_get_nr_vecs(struct block_device *bdev)
        return nr_pages;
 }
-static int __bio_add_page(request_queue_t *q, struct bio *bio, struct page
+static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page
                          *page, unsigned int len, unsigned int offset,
                          unsigned short max_sectors)
 {
@@ -425,7 +425,7 @@ static int __bio_add_page(request_queue_t *q, struct bio *bio, struct page
 *      smaller than PAGE_SIZE, so it is always possible to add a single
 *      page to an empty bio. This should only be used by REQ_PC bios.
 */
-int bio_add_pc_page(request_queue_t *q, struct bio *bio, struct page *page,
+int bio_add_pc_page(struct request_queue *q, struct bio *bio, struct page *page,
                    unsigned int len, unsigned int offset)
 {
        return __bio_add_page(q, bio, page, len, offset, q->max_hw_sectors);
@@ -523,7 +523,7 @@ int bio_uncopy_user(struct bio *bio)
 *      to/from kernel pages as necessary. Must be paired with
 *      call bio_uncopy_user() on io completion.
 */
-struct bio *bio_copy_user(request_queue_t *q, unsigned long uaddr,
+struct bio *bio_copy_user(struct request_queue *q, unsigned long uaddr,
                          unsigned int len, int write_to_vm)
 {
        unsigned long end = (uaddr + len + PAGE_SIZE - 1) >> PAGE_SHIFT;
@@ -600,7 +600,7 @@ out_bmd:
        return ERR_PTR(ret);
 }
-static struct bio *__bio_map_user_iov(request_queue_t *q,
+static struct bio *__bio_map_user_iov(struct request_queue *q,
                                      struct block_device *bdev,
                                      struct sg_iovec *iov, int iov_count,
                                      int write_to_vm)
@@ -712,7 +712,7 @@ static struct bio *__bio_map_user_iov(request_queue_t *q,
 /**
 *      bio_map_user    -       map user address into bio
- *      @q: the request_queue_t for the bio
+ *      @q: the struct request_queue for the bio
 *      @bdev: destination block device
 *      @uaddr: start of user address
 *      @len: length in bytes
@@ -721,7 +721,7 @@ static struct bio *__bio_map_user_iov(request_queue_t *q,
 *      Map the user space address into a bio suitable for io to a block
 *      device. Returns an error pointer in case of error.
 */
-struct bio *bio_map_user(request_queue_t *q, struct block_device *bdev,
+struct bio *bio_map_user(struct request_queue *q, struct block_device *bdev,
                         unsigned long uaddr, unsigned int len, int write_to_vm)
 {
        struct sg_iovec iov;
@@ -734,7 +734,7 @@ struct bio *bio_map_user(request_queue_t *q, struct block_device *bdev,
 /**
 *      bio_map_user_iov - map user sg_iovec table into bio
- *      @q: the request_queue_t for the bio
+ *      @q: the struct request_queue for the bio
 *      @bdev: destination block device
 *      @iov:   the iovec.
 *      @iov_count: number of elements in the iovec
@@ -743,7 +743,7 @@ struct bio *bio_map_user(request_queue_t *q, struct block_device *bdev,
 *      Map the user space address into a bio suitable for io to a block
 *      device. Returns an error pointer in case of error.
 */
-struct bio *bio_map_user_iov(request_queue_t *q, struct block_device *bdev,
+struct bio *bio_map_user_iov(struct request_queue *q, struct block_device *bdev,
                             struct sg_iovec *iov, int iov_count,
                             int write_to_vm)
 {
@@ -808,7 +808,7 @@ static int bio_map_kern_endio(struct bio *bio, unsigned int bytes_done, int err)
 }
-static struct bio *__bio_map_kern(request_queue_t *q, void *data,
+static struct bio *__bio_map_kern(struct request_queue *q, void *data,
                                  unsigned int len, gfp_t gfp_mask)
 {
        unsigned long kaddr = (unsigned long)data;
@@ -847,7 +847,7 @@ static struct bio *__bio_map_kern(request_queue_t *q, void *data,
 /**
 *      bio_map_kern    -       map kernel address into bio
- *      @q: the request_queue_t for the bio
+ *      @q: the struct request_queue for the bio
 *      @data: pointer to buffer to map
 *      @len: length in bytes
 *      @gfp_mask: allocation flags for bio allocation
@@ -855,7 +855,7 @@ static struct bio *__bio_map_kern(request_queue_t *q, void *data,
 *      Map the kernel address into a bio suitable for io to a block
 *      device. Returns an error pointer in case of error.
 */
-struct bio *bio_map_kern(request_queue_t *q, void *data, unsigned int len,
+struct bio *bio_map_kern(struct request_queue *q, void *data, unsigned int len,
                         gfp_t gfp_mask)
 {
        struct bio *bio;
diff --git a/include/asm-arm/arch-omap/mailbox.h b/include/asm-arm/arch-omap/mailbox.h
index 4bf0909461f..7cbed9332e1 100644
--- a/include/asm-arm/arch-omap/mailbox.h
+++ b/include/asm-arm/arch-omap/mailbox.h
@@ -37,7 +37,7 @@ struct omap_mbox_ops {
 struct omap_mbox_queue {
        spinlock_t              lock;
-        request_queue_t         *queue;
+        struct request_queue    *queue;
        struct work_struct      work;
        int     (*callback)(void *);
        struct omap_mbox        *mbox;
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 695e34964cb..4be37de0205 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -37,7 +37,6 @@
 struct scsi_ioctl_command;
 struct request_queue;
-typedef struct request_queue request_queue_t;
 struct elevator_queue;
 typedef struct elevator_queue elevator_t;
 struct request_pm_state;
@@ -233,7 +232,7 @@ struct request {
        struct list_head queuelist;
        struct list_head donelist;
-        request_queue_t *q;
+        struct request_queue *q;
        unsigned int cmd_flags;
        enum rq_cmd_type_bits cmd_type;
@@ -337,15 +336,15 @@ struct request_pm_state
 #include <linux/elevator.h>
-typedef void (request_fn_proc) (request_queue_t *q);
+typedef void (request_fn_proc) (struct request_queue *q);
-typedef int (make_request_fn) (request_queue_t *q, struct bio *bio);
+typedef int (make_request_fn) (struct request_queue *q, struct bio *bio);
-typedef int (prep_rq_fn) (request_queue_t *, struct request *);
+typedef int (prep_rq_fn) (struct request_queue *, struct request *);
-typedef void (unplug_fn) (request_queue_t *);
+typedef void (unplug_fn) (struct request_queue *);
 struct bio_vec;
-typedef int (merge_bvec_fn) (request_queue_t *, struct bio *, struct bio_vec *);
+typedef int (merge_bvec_fn) (struct request_queue *, struct bio *, struct bio_vec *);
-typedef int (issue_flush_fn) (request_queue_t *, struct gendisk *, sector_t *);
+typedef int (issue_flush_fn) (struct request_queue *, struct gendisk *, sector_t *);
-typedef void (prepare_flush_fn) (request_queue_t *, struct request *);
+typedef void (prepare_flush_fn) (struct request_queue *, struct request *);
 typedef void (softirq_done_fn)(struct request *);
 enum blk_queue_state {
@@ -626,13 +625,13 @@ extern unsigned long blk_max_low_pfn, blk_max_pfn;
 #ifdef CONFIG_BOUNCE
 extern int init_emergency_isa_pool(void);
-extern void blk_queue_bounce(request_queue_t *q, struct bio **bio);
+extern void blk_queue_bounce(struct request_queue *q, struct bio **bio);
 #else
 static inline int init_emergency_isa_pool(void)
 {
        return 0;
 }
-static inline void blk_queue_bounce(request_queue_t *q, struct bio **bio)
+static inline void blk_queue_bounce(struct request_queue *q, struct bio **bio)
 {
 }
 #endif /* CONFIG_MMU */
@@ -646,14 +645,14 @@ extern void blk_unregister_queue(struct gendisk *disk);
 extern void register_disk(struct gendisk *dev);
 extern void generic_make_request(struct bio *bio);
 extern void blk_put_request(struct request *);
-extern void __blk_put_request(request_queue_t *, struct request *);
+extern void __blk_put_request(struct request_queue *, struct request *);
 extern void blk_end_sync_rq(struct request *rq, int error);
-extern struct request *blk_get_request(request_queue_t *, int, gfp_t);
+extern struct request *blk_get_request(struct request_queue *, int, gfp_t);
-extern void blk_insert_request(request_queue_t *, struct request *, int, void *);
+extern void blk_insert_request(struct request_queue *, struct request *, int, void *);
-extern void blk_requeue_request(request_queue_t *, struct request *);
+extern void blk_requeue_request(struct request_queue *, struct request *);
-extern void blk_plug_device(request_queue_t *);
+extern void blk_plug_device(struct request_queue *);
-extern int blk_remove_plug(request_queue_t *);
+extern int blk_remove_plug(struct request_queue *);
-extern void blk_recount_segments(request_queue_t *, struct bio *);
+extern void blk_recount_segments(struct request_queue *, struct bio *);
 extern int scsi_cmd_ioctl(struct file *, struct request_queue *,
                          struct gendisk *, unsigned int, void __user *);
 extern int sg_scsi_ioctl(struct file *, struct request_queue *,
@@ -662,14 +661,15 @@ extern int sg_scsi_ioctl(struct file *, struct request_queue *,
 /*
 * Temporary export, until SCSI gets fixed up.
 */
-extern int ll_back_merge_fn(request_queue_t *, struct request *, struct bio *);
+extern int ll_back_merge_fn(struct request_queue *, struct request *,
+                struct bio *);
 /*
 * A queue has just exitted congestion.  Note this in the global counter of
 * congested queues, and wake up anyone who was waiting for requests to be
 * put back.
 */
-static inline void blk_clear_queue_congested(request_queue_t *q, int rw)
+static inline void blk_clear_queue_congested(struct request_queue *q, int rw)
 {
        clear_bdi_congested(&q->backing_dev_info, rw);
 }
@@ -678,29 +678,29 @@ static inline void blk_clear_queue_congested(request_queue_t *q, int rw)
 * A queue has just entered congestion.  Flag that in the queue's VM-visible
 * state flags and increment the global gounter of congested queues.
 */
-static inline void blk_set_queue_congested(request_queue_t *q, int rw)
+static inline void blk_set_queue_congested(struct request_queue *q, int rw)
 {
        set_bdi_congested(&q->backing_dev_info, rw);
 }
-extern void blk_start_queue(request_queue_t *q);
+extern void blk_start_queue(struct request_queue *q);
-extern void blk_stop_queue(request_queue_t *q);
+extern void blk_stop_queue(struct request_queue *q);
 extern void blk_sync_queue(struct request_queue *q);
-extern void __blk_stop_queue(request_queue_t *q);
+extern void __blk_stop_queue(struct request_queue *q);
-extern void blk_run_queue(request_queue_t *);
+extern void blk_run_queue(struct request_queue *);
-extern void blk_start_queueing(request_queue_t *);
+extern void blk_start_queueing(struct request_queue *);
-extern int blk_rq_map_user(request_queue_t *, struct request *, void __user *, unsigned long);
+extern int blk_rq_map_user(struct request_queue *, struct request *, void __user *, unsigned long);
 extern int blk_rq_unmap_user(struct bio *);
-extern int blk_rq_map_kern(request_queue_t *, struct request *, void *, unsigned int, gfp_t);
+extern int blk_rq_map_kern(struct request_queue *, struct request *, void *, unsigned int, gfp_t);
-extern int blk_rq_map_user_iov(request_queue_t *, struct request *,
+extern int blk_rq_map_user_iov(struct request_queue *, struct request *,
                               struct sg_iovec *, int, unsigned int);
-extern int blk_execute_rq(request_queue_t *, struct gendisk *,
+extern int blk_execute_rq(struct request_queue *, struct gendisk *,
                          struct request *, int);
-extern void blk_execute_rq_nowait(request_queue_t *, struct gendisk *,
+extern void blk_execute_rq_nowait(struct request_queue *, struct gendisk *,
                                  struct request *, int, rq_end_io_fn *);
 extern int blk_verify_command(unsigned char *, int);
-static inline request_queue_t *bdev_get_queue(struct block_device *bdev)
+static inline struct request_queue *bdev_get_queue(struct block_device *bdev)
 {
        return bdev->bd_disk->queue;
 }
@@ -749,41 +749,41 @@ static inline void blkdev_dequeue_request(struct request *req)
 /*
 * Access functions for manipulating queue properties
 */
-extern request_queue_t *blk_init_queue_node(request_fn_proc *rfn,
+extern struct request_queue *blk_init_queue_node(request_fn_proc *rfn,
                                        spinlock_t *lock, int node_id);
-extern request_queue_t *blk_init_queue(request_fn_proc *, spinlock_t *);
+extern struct request_queue *blk_init_queue(request_fn_proc *, spinlock_t *);
-extern void blk_cleanup_queue(request_queue_t *);
+extern void blk_cleanup_queue(struct request_queue *);
-extern void blk_queue_make_request(request_queue_t *, make_request_fn *);
+extern void blk_queue_make_request(struct request_queue *, make_request_fn *);
-extern void blk_queue_bounce_limit(request_queue_t *, u64);
+extern void blk_queue_bounce_limit(struct request_queue *, u64);
-extern void blk_queue_max_sectors(request_queue_t *, unsigned int);
+extern void blk_queue_max_sectors(struct request_queue *, unsigned int);
-extern void blk_queue_max_phys_segments(request_queue_t *, unsigned short);
+extern void blk_queue_max_phys_segments(struct request_queue *, unsigned short);
-extern void blk_queue_max_hw_segments(request_queue_t *, unsigned short);
+extern void blk_queue_max_hw_segments(struct request_queue *, unsigned short);
-extern void blk_queue_max_segment_size(request_queue_t *, unsigned int);
+extern void blk_queue_max_segment_size(struct request_queue *, unsigned int);
-extern void blk_queue_hardsect_size(request_queue_t *, unsigned short);
+extern void blk_queue_hardsect_size(struct request_queue *, unsigned short);
-extern void blk_queue_stack_limits(request_queue_t *t, request_queue_t *b);
+extern void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b);
-extern void blk_queue_segment_boundary(request_queue_t *, unsigned long);
+extern void blk_queue_segment_boundary(struct request_queue *, unsigned long);
-extern void blk_queue_prep_rq(request_queue_t *, prep_rq_fn *pfn);
+extern void blk_queue_prep_rq(struct request_queue *, prep_rq_fn *pfn);
-extern void blk_queue_merge_bvec(request_queue_t *, merge_bvec_fn *);
+extern void blk_queue_merge_bvec(struct request_queue *, merge_bvec_fn *);
-extern void blk_queue_dma_alignment(request_queue_t *, int);
+extern void blk_queue_dma_alignment(struct request_queue *, int);
-extern void blk_queue_softirq_done(request_queue_t *, softirq_done_fn *);
+extern void blk_queue_softirq_done(struct request_queue *, softirq_done_fn *);
 extern struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev);
-extern int blk_queue_ordered(request_queue_t *, unsigned, prepare_flush_fn *);
+extern int blk_queue_ordered(struct request_queue *, unsigned, prepare_flush_fn *);
-extern void blk_queue_issue_flush_fn(request_queue_t *, issue_flush_fn *);
+extern void blk_queue_issue_flush_fn(struct request_queue *, issue_flush_fn *);
-extern int blk_do_ordered(request_queue_t *, struct request **);
+extern int blk_do_ordered(struct request_queue *, struct request **);
-extern unsigned blk_ordered_cur_seq(request_queue_t *);
+extern unsigned blk_ordered_cur_seq(struct request_queue *);
 extern unsigned blk_ordered_req_seq(struct request *);
-extern void blk_ordered_complete_seq(request_queue_t *, unsigned, int);
+extern void blk_ordered_complete_seq(struct request_queue *, unsigned, int);
-extern int blk_rq_map_sg(request_queue_t *, struct request *, struct scatterlist *);
+extern int blk_rq_map_sg(struct request_queue *, struct request *, struct scatterlist *);
 extern void blk_dump_rq_flags(struct request *, char *);
-extern void generic_unplug_device(request_queue_t *);
+extern void generic_unplug_device(struct request_queue *);
-extern void __generic_unplug_device(request_queue_t *);
+extern void __generic_unplug_device(struct request_queue *);
 extern long nr_blockdev_pages(void);
-int blk_get_queue(request_queue_t *);
+int blk_get_queue(struct request_queue *);
-request_queue_t *blk_alloc_queue(gfp_t);
+struct request_queue *blk_alloc_queue(gfp_t);
-request_queue_t *blk_alloc_queue_node(gfp_t, int);
+struct request_queue *blk_alloc_queue_node(gfp_t, int);
-extern void blk_put_queue(request_queue_t *);
+extern void blk_put_queue(struct request_queue *);
 /*
 * tag stuff
@@ -791,13 +791,13 @@ extern void blk_put_queue(request_queue_t *);
 #define blk_queue_tag_depth(q)          ((q)->queue_tags->busy)
 #define blk_queue_tag_queue(q)          ((q)->queue_tags->busy < (q)->queue_tags->max_depth)
 #define blk_rq_tagged(rq)               ((rq)->cmd_flags & REQ_QUEUED)
-extern int blk_queue_start_tag(request_queue_t *, struct request *);
+extern int blk_queue_start_tag(struct request_queue *, struct request *);
-extern struct request *blk_queue_find_tag(request_queue_t *, int);
+extern struct request *blk_queue_find_tag(struct request_queue *, int);
-extern void blk_queue_end_tag(request_queue_t *, struct request *);
+extern void blk_queue_end_tag(struct request_queue *, struct request *);
-extern int blk_queue_init_tags(request_queue_t *, int, struct blk_queue_tag *);
+extern int blk_queue_init_tags(struct request_queue *, int, struct blk_queue_tag *);
-extern void blk_queue_free_tags(request_queue_t *);
+extern void blk_queue_free_tags(struct request_queue *);
-extern int blk_queue_resize_tags(request_queue_t *, int);
+extern int blk_queue_resize_tags(struct request_queue *, int);
-extern void blk_queue_invalidate_tags(request_queue_t *);
+extern void blk_queue_invalidate_tags(struct request_queue *);
 extern struct blk_queue_tag *blk_init_tags(int);
 extern void blk_free_tags(struct blk_queue_tag *);
@@ -809,7 +809,7 @@ static inline struct request *blk_map_queue_find_tag(struct blk_queue_tag *bqt,
        return bqt->tag_index[tag];
 }
-extern void blk_rq_bio_prep(request_queue_t *, struct request *, struct bio *);
+extern void blk_rq_bio_prep(struct request_queue *, struct request *, struct bio *);
 extern int blkdev_issue_flush(struct block_device *, sector_t *);
 #define MAX_PHYS_SEGMENTS 128
@@ -821,7 +821,7 @@ extern int blkdev_issue_flush(struct block_device *, sector_t *);
 #define blkdev_entry_to_request(entry) list_entry((entry), struct request, queuelist)
-static inline int queue_hardsect_size(request_queue_t *q)
+static inline int queue_hardsect_size(struct request_queue *q)
 {
        int retval = 512;
@@ -836,7 +836,7 @@ static inline int bdev_hardsect_size(struct block_device *bdev)
        return queue_hardsect_size(bdev_get_queue(bdev));
 }
-static inline int queue_dma_alignment(request_queue_t *q)
+static inline int queue_dma_alignment(struct request_queue *q)
 {
        int retval = 511;
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 3680ff9a30e..90874a5d7d7 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -144,7 +144,7 @@ struct blk_user_trace_setup {
 #if defined(CONFIG_BLK_DEV_IO_TRACE)
 extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *);
-extern void blk_trace_shutdown(request_queue_t *);
+extern void blk_trace_shutdown(struct request_queue *);
 extern void __blk_add_trace(struct blk_trace *, sector_t, int, int, u32, int, int, void *);
 /**
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index e88fcbc77f8..e8f42133a61 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -5,29 +5,29 @@
 #ifdef CONFIG_BLOCK
-typedef int (elevator_merge_fn) (request_queue_t *, struct request **,
+typedef int (elevator_merge_fn) (struct request_queue *, struct request **,
                                 struct bio *);
-typedef void (elevator_merge_req_fn) (request_queue_t *, struct request *, struct request *);
+typedef void (elevator_merge_req_fn) (struct request_queue *, struct request *, struct request *);
-typedef void (elevator_merged_fn) (request_queue_t *, struct request *, int);
+typedef void (elevator_merged_fn) (struct request_queue *, struct request *, int);
-typedef int (elevator_allow_merge_fn) (request_queue_t *, struct request *, struct bio *);
+typedef int (elevator_allow_merge_fn) (struct request_queue *, struct request *, struct bio *);
-typedef int (elevator_dispatch_fn) (request_queue_t *, int);
+typedef int (elevator_dispatch_fn) (struct request_queue *, int);
-typedef void (elevator_add_req_fn) (request_queue_t *, struct request *);
+typedef void (elevator_add_req_fn) (struct request_queue *, struct request *);
-typedef int (elevator_queue_empty_fn) (request_queue_t *);
+typedef int (elevator_queue_empty_fn) (struct request_queue *);
-typedef struct request *(elevator_request_list_fn) (request_queue_t *, struct request *);
+typedef struct request *(elevator_request_list_fn) (struct request_queue *, struct request *);
-typedef void (elevator_completed_req_fn) (request_queue_t *, struct request *);
+typedef void (elevator_completed_req_fn) (struct request_queue *, struct request *);
-typedef int (elevator_may_queue_fn) (request_queue_t *, int);
+typedef int (elevator_may_queue_fn) (struct request_queue *, int);
-typedef int (elevator_set_req_fn) (request_queue_t *, struct request *, gfp_t);
+typedef int (elevator_set_req_fn) (struct request_queue *, struct request *, gfp_t);
 typedef void (elevator_put_req_fn) (struct request *);
-typedef void (elevator_activate_req_fn) (request_queue_t *, struct request *);
+typedef void (elevator_activate_req_fn) (struct request_queue *, struct request *);
-typedef void (elevator_deactivate_req_fn) (request_queue_t *, struct request *);
+typedef void (elevator_deactivate_req_fn) (struct request_queue *, struct request *);
-typedef void *(elevator_init_fn) (request_queue_t *);
+typedef void *(elevator_init_fn) (struct request_queue *);
 typedef void (elevator_exit_fn) (elevator_t *);
 struct elevator_ops
@@ -94,27 +94,27 @@ struct elevator_queue
 /*
 * block elevator interface
 */
-extern void elv_dispatch_sort(request_queue_t *, struct request *);
+extern void elv_dispatch_sort(struct request_queue *, struct request *);
-extern void elv_dispatch_add_tail(request_queue_t *, struct request *);
+extern void elv_dispatch_add_tail(struct request_queue *, struct request *);
-extern void elv_add_request(request_queue_t *, struct request *, int, int);
+extern void elv_add_request(struct request_queue *, struct request *, int, int);
-extern void __elv_add_request(request_queue_t *, struct request *, int, int);
+extern void __elv_add_request(struct request_queue *, struct request *, int, int);
-extern void elv_insert(request_queue_t *, struct request *, int);
+extern void elv_insert(struct request_queue *, struct request *, int);
-extern int elv_merge(request_queue_t *, struct request **, struct bio *);
+extern int elv_merge(struct request_queue *, struct request **, struct bio *);
-extern void elv_merge_requests(request_queue_t *, struct request *,
+extern void elv_merge_requests(struct request_queue *, struct request *,
                               struct request *);
-extern void elv_merged_request(request_queue_t *, struct request *, int);
+extern void elv_merged_request(struct request_queue *, struct request *, int);
-extern void elv_dequeue_request(request_queue_t *, struct request *);
+extern void elv_dequeue_request(struct request_queue *, struct request *);
-extern void elv_requeue_request(request_queue_t *, struct request *);
+extern void elv_requeue_request(struct request_queue *, struct request *);
-extern int elv_queue_empty(request_queue_t *);
+extern int elv_queue_empty(struct request_queue *);
 extern struct request *elv_next_request(struct request_queue *q);
-extern struct request *elv_former_request(request_queue_t *, struct request *);
+extern struct request *elv_former_request(struct request_queue *, struct request *);
-extern struct request *elv_latter_request(request_queue_t *, struct request *);
+extern struct request *elv_latter_request(struct request_queue *, struct request *);
-extern int elv_register_queue(request_queue_t *q);
+extern int elv_register_queue(struct request_queue *q);
-extern void elv_unregister_queue(request_queue_t *q);
+extern void elv_unregister_queue(struct request_queue *q);
-extern int elv_may_queue(request_queue_t *, int);
+extern int elv_may_queue(struct request_queue *, int);
-extern void elv_completed_request(request_queue_t *, struct request *);
+extern void elv_completed_request(struct request_queue *, struct request *);
-extern int elv_set_request(request_queue_t *, struct request *, gfp_t);
+extern int elv_set_request(struct request_queue *, struct request *, gfp_t);
-extern void elv_put_request(request_queue_t *, struct request *);
+extern void elv_put_request(struct request_queue *, struct request *);
 /*
 * io scheduler registration
@@ -125,18 +125,18 @@ extern void elv_unregister(struct elevator_type *);
 /*
 * io scheduler sysfs switching
 */
-extern ssize_t elv_iosched_show(request_queue_t *, char *);
+extern ssize_t elv_iosched_show(struct request_queue *, char *);
-extern ssize_t elv_iosched_store(request_queue_t *, const char *, size_t);
+extern ssize_t elv_iosched_store(struct request_queue *, const char *, size_t);
-extern int elevator_init(request_queue_t *, char *);
+extern int elevator_init(struct request_queue *, char *);
 extern void elevator_exit(elevator_t *);
 extern int elv_rq_merge_ok(struct request *, struct bio *);
 /*
 * Helper functions.
 */
-extern struct request *elv_rb_former_request(request_queue_t *, struct request *);
+extern struct request *elv_rb_former_request(struct request_queue *, struct request *);
-extern struct request *elv_rb_latter_request(request_queue_t *, struct request *);
+extern struct request *elv_rb_latter_request(struct request_queue *, struct request *);
 /*
 * rb support functions.
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 5f5daad8bc5..d71d0121b7f 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -555,7 +555,7 @@ typedef struct ide_drive_s {
        char            name[4];        /* drive name, such as "hda" */
        char            driver_req[10]; /* requests specific driver */
-        request_queue_t         *queue; /* request queue */
+        struct request_queue    *queue; /* request queue */
        struct request          *rq;    /* current request */
        struct ide_drive_s      *next;  /* circular list of hwgroup drives */
@@ -1206,7 +1206,7 @@ extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout);
 extern int ide_spin_wait_hwgroup(ide_drive_t *);
 extern void ide_timer_expiry(unsigned long);
 extern irqreturn_t ide_intr(int irq, void *dev_id);
-extern void do_ide_request(request_queue_t *);
+extern void do_ide_request(struct request_queue *);
 void ide_init_disk(struct gendisk *, ide_drive_t *);
diff --git a/include/linux/loop.h b/include/linux/loop.h
index 0b99b31f017..26a0a103898 100644
--- a/include/linux/loop.h
+++ b/include/linux/loop.h
@@ -63,7 +63,7 @@ struct loop_device {
        struct task_struct      *lo_thread;
        wait_queue_head_t       lo_event;
-        request_queue_t         *lo_queue;
+        struct request_queue    *lo_queue;
        struct gendisk          *lo_disk;
        struct list_head        lo_list;
 };
diff --git a/include/linux/raid/md_k.h b/include/linux/raid/md_k.h
index 28ac632b42d..dcb729244f4 100644
--- a/include/linux/raid/md_k.h
+++ b/include/linux/raid/md_k.h
@@ -227,7 +227,7 @@ struct mddev_s
        unsigned int                    safemode_delay;
        struct timer_list               safemode_timer;
        atomic_t                        writes_pending; 
-        request_queue_t                 *queue; /* for plugging ... */
+        struct request_queue            *queue; /* for plugging ... */
        atomic_t                        write_behind; /* outstanding async IO */
        unsigned int                    max_write_behind; /* 0 = sync */
@@ -265,7 +265,7 @@ struct mdk_personality
        int level;
        struct list_head list;
        struct module *owner;
-        int (*make_request)(request_queue_t *q, struct bio *bio);
+        int (*make_request)(struct request_queue *q, struct bio *bio);
        int (*run)(mddev_t *mddev);
        int (*stop)(mddev_t *mddev);
        void (*status)(struct seq_file *seq, mddev_t *mddev);
diff --git a/include/scsi/sd.h b/include/scsi/sd.h
index 5261488e110..78583fee0ab 100644
--- a/include/scsi/sd.h
+++ b/include/scsi/sd.h
@@ -57,7 +57,7 @@ static int sd_resume(struct device *dev);
 static void sd_rescan(struct device *);
 static int  sd_init_command(struct scsi_cmnd *);
 static int  sd_issue_flush(struct device *, sector_t *);
-static void sd_prepare_flush(request_queue_t *, struct request *);
+static void sd_prepare_flush(struct request_queue *, struct request *);
 static void sd_read_capacity(struct scsi_disk *sdkp, unsigned char *buffer);
 static void scsi_disk_release(struct class_device *cdev);
 static void sd_print_sense_hdr(struct scsi_disk *, struct scsi_sense_hdr *);
diff --git a/mm/bounce.c b/mm/bounce.c
index ad401fc5744..179fe38a241 100644
--- a/mm/bounce.c
+++ b/mm/bounce.c
@@ -190,7 +190,7 @@ static int bounce_end_io_read_isa(struct bio *bio, unsigned int bytes_done, int
        return 0;
 }
-static void __blk_queue_bounce(request_queue_t *q, struct bio **bio_orig,
+static void __blk_queue_bounce(struct request_queue *q, struct bio **bio_orig,
                               mempool_t *pool)
 {
        struct page *page;
@@ -275,7 +275,7 @@ static void __blk_queue_bounce(request_queue_t *q, struct bio **bio_orig,
        *bio_orig = bio;
 }
-void blk_queue_bounce(request_queue_t *q, struct bio **bio_orig)
+void blk_queue_bounce(struct request_queue *q, struct bio **bio_orig)
 {
        mempool_t *pool;
author	Jens Axboe <jens.axboe@oracle.com>	2007-07-24 03:28:11 -0400
committer	Jens Axboe <jens.axboe@oracle.com>	2007-07-24 03:28:11 -0400
commit	165125e1e480f9510a5ffcfbfee4e3ee38c05f23 (patch)
tree	8009c8a5ff09e26dc2418d42f66ecafb055c52a2
parent	f695baf2df9e0413d3521661070103711545207a (diff)