[PATCH 01/22] Staging: hv: Get rid of the forward declaration of blkvsc_submit_request()

K. Y. Srinivasan
2011-04-06T21:25:56Z

Get rid of the forward declaration of blkvsc_submit_request() by moving the
code around.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
---
drivers/staging/hv/blkvsc_drv.c | 117 ++++++++++++++++++++-------------------
1 files changed, 59 insertions(+), 58 deletions(-)

diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index d1ecd60..efcc916 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -184,6 +184,65 @@ static int blk_vsc_initialize(struct hv_driver *driver)
return ret;
}

+
+static int blkvsc_submit_request(struct blkvsc_request *blkvsc_req,
+ void (*request_completion)(struct hv_storvsc_request *))
+{
+ struct block_device_context *blkdev = blkvsc_req->dev;
+ struct hv_device *device_ctx = blkdev->device_ctx;
+ struct hv_driver *drv =
+ drv_to_hv_drv(device_ctx->device.driver);
+ struct storvsc_driver_object *storvsc_drv_obj =
+ drv->priv;
+ struct hv_storvsc_request *storvsc_req;
+ struct vmscsi_request *vm_srb;
+ int ret;
+
+ DPRINT_DBG(BLKVSC_DRV, "blkvsc_submit_request() - "
+ "req %p type %s start_sector %lu count %ld offset %d "
+ "len %d\n", blkvsc_req,
+ (blkvsc_req->write) ? "WRITE" : "READ",
+ (unsigned long) blkvsc_req->sector_start,
+ blkvsc_req->sector_count,
+ blkvsc_req->request.data_buffer.offset,
+ blkvsc_req->request.data_buffer.len);
+#if 0
+ for (i = 0; i < (blkvsc_req->request.data_buffer.len >> 12); i++) {
+ DPRINT_DBG(BLKVSC_DRV, "blkvsc_submit_request() - "
+ "req %p pfn[%d] %llx\n",
+ blkvsc_req, i,
+ blkvsc_req->request.data_buffer.pfn_array[i]);
+ }
+#endif
+
+ storvsc_req = &blkvsc_req->request;
+ vm_srb = &storvsc_req->vstor_packet.vm_srb;
+
+ vm_srb->data_in = blkvsc_req->write ? WRITE_TYPE : READ_TYPE;
+
+ storvsc_req->on_io_completion = request_completion;
+ storvsc_req->context = blkvsc_req;
+
+ vm_srb->port_number = blkdev->port;
+ vm_srb->path_id = blkdev->path;
+ vm_srb->target_id = blkdev->target;
+ vm_srb->lun = 0; /* this is not really used at all */
+
+ vm_srb->cdb_length = blkvsc_req->cmd_len;
+
+ memcpy(vm_srb->cdb, blkvsc_req->cmnd, vm_srb->cdb_length);
+
+ storvsc_req->sense_buffer = blkvsc_req->sense_buffer;
+
+ ret = storvsc_drv_obj->on_io_request(blkdev->device_ctx,
+ &blkvsc_req->request);
+ if (ret == 0)
+ blkdev->num_outstanding_reqs++;
+
+ return ret;
+}
+
+
/* Static decl */
static DEFINE_MUTEX(blkvsc_mutex);
static int blkvsc_probe(struct device *dev);
@@ -202,8 +261,6 @@ static void blkvsc_request(struct request_queue *queue);
static void blkvsc_request_completion(struct hv_storvsc_request *request);
static int blkvsc_do_request(struct block_device_context *blkdev,
struct request *req);
-static int blkvsc_submit_request(struct blkvsc_request *blkvsc_req,
- void (*request_completion)(struct hv_storvsc_request *));
static void blkvsc_init_rw(struct blkvsc_request *blkvsc_req);
static void blkvsc_cmd_completion(struct hv_storvsc_request *request);
static int blkvsc_do_inquiry(struct block_device_context *blkdev);
@@ -891,62 +948,6 @@ static void blkvsc_init_rw(struct blkvsc_request *blkvsc_req)
}
}

-static int blkvsc_submit_request(struct blkvsc_request *blkvsc_req,
- void (*request_completion)(struct hv_storvsc_request *))
-{
- struct block_device_context *blkdev = blkvsc_req->dev;
- struct hv_device *device_ctx = blkdev->device_ctx;
- struct hv_driver *drv =
- drv_to_hv_drv(device_ctx->device.driver);
- struct storvsc_driver_object *storvsc_drv_obj =
- drv->priv;
- struct hv_storvsc_request *storvsc_req;
- struct vmscsi_request *vm_srb;
- int ret;
-
- DPRINT_DBG(BLKVSC_DRV, "blkvsc_submit_request() - "
- "req %p type %s start_sector %lu count %ld offset %d "
- "len %d\n", blkvsc_req,
- (blkvsc_req->write) ? "WRITE" : "READ",
- (unsigned long) blkvsc_req->sector_start,
- blkvsc_req->sector_count,
- blkvsc_req->request.data_buffer.offset,
- blkvsc_req->request.data_buffer.len);
-#if 0
- for (i = 0; i < (blkvsc_req->request.data_buffer.len >> 12); i++) {
- DPRINT_DBG(BLKVSC_DRV, "blkvsc_submit_request() - "
- "req %p pfn[%d] %llx\n",
- blkvsc_req, i,
- blkvsc_req->request.data_buffer.pfn_array[i]);
- }
-#endif
-
- storvsc_req = &blkvsc_req->request;
- vm_srb = &storvsc_req->vstor_packet.vm_srb;
-
- vm_srb->data_in = blkvsc_req->write ? WRITE_TYPE : READ_TYPE;
-
- storvsc_req->on_io_completion = request_completion;
- storvsc_req->context = blkvsc_req;
-
- vm_srb->port_number = blkdev->port;
- vm_srb->path_id = blkdev->path;
- vm_srb->target_id = blkdev->target;
- vm_srb->lun = 0; /* this is not really used at all */
-
- vm_srb->cdb_length = blkvsc_req->cmd_len;
-
- memcpy(vm_srb->cdb, blkvsc_req->cmnd, vm_srb->cdb_length);
-
- storvsc_req->sense_buffer = blkvsc_req->sense_buffer;
-
- ret = storvsc_drv_obj->on_io_request(blkdev->device_ctx,
- &blkvsc_req->request);
- if (ret == 0)
- blkdev->num_outstanding_reqs++;
-
- return ret;
-}

/*
* We break the request into 1 or more blkvsc_requests and submit
--
1.7.4.1