diff options
84 files changed, 529 insertions, 509 deletions
diff --git a/Documentation/block/barrier.txt b/Documentation/block/barrier.txt index 7d279f2f5bb2..2c2f24f634e4 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 3adaace328a6..8af392fc6ef0 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 75924e2a6975..fff58acb40a3 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 09a1bafe2528..b963c3b4afa5 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 de7e6ef48bd0..0360b1f14d11 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 fc27f6c72b41..aff661fe2ee1 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 3e316dd72529..dc715a562e14 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 3f0e7c37c059..20c3e22587b5 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 b571869928a8..3b2f05258a92 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 d148ccbc36d1..54dc05439009 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 requ |