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yaml
---
r: 249110
b: refs/heads/master
c: 9d64582
h: refs/heads/master
v: v3
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K. Y. Srinivasan authored and Greg Kroah-Hartman committed Apr 25, 2011
1 parent f234220 commit 2752faf
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Showing 2 changed files with 36 additions and 37 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 795d30bb38fcbc2185e4bf136e82bca4077dec7a
refs/heads/master: 9d64582071523f6ae19df15c85eaeb22876ebaa4
71 changes: 35 additions & 36 deletions trunk/drivers/staging/hv/blkvsc_drv.c
Original file line number Diff line number Diff line change
Expand Up @@ -457,6 +457,41 @@ static void blkvsc_cmd_completion(struct hv_storvsc_request *request)
complete(&blkvsc_req->request.wait_event);
}

static int blkvsc_do_flush(struct block_device_context *blkdev)
{
struct blkvsc_request *blkvsc_req;

DPRINT_DBG(BLKVSC_DRV, "blkvsc_do_flush()\n");

if (blkdev->device_type != HARDDISK_TYPE)
return 0;

blkvsc_req = kmem_cache_zalloc(blkdev->request_pool, GFP_KERNEL);
if (!blkvsc_req)
return -ENOMEM;

memset(blkvsc_req, 0, sizeof(struct blkvsc_request));
init_completion(&blkvsc_req->request.wait_event);
blkvsc_req->dev = blkdev;
blkvsc_req->req = NULL;
blkvsc_req->write = 0;

blkvsc_req->request.data_buffer.pfn_array[0] = 0;
blkvsc_req->request.data_buffer.offset = 0;
blkvsc_req->request.data_buffer.len = 0;

blkvsc_req->cmnd[0] = SYNCHRONIZE_CACHE;
blkvsc_req->cmd_len = 10;

blkvsc_submit_request(blkvsc_req, blkvsc_cmd_completion);

wait_for_completion_interruptible(&blkvsc_req->request.wait_event);

kmem_cache_free(blkvsc_req->dev->request_pool, blkvsc_req);

return 0;
}


/* Static decl */
static int blkvsc_probe(struct device *dev);
Expand All @@ -472,7 +507,6 @@ static int blkvsc_do_request(struct block_device_context *blkdev,
static int blkvsc_do_inquiry(struct block_device_context *blkdev);
static int blkvsc_do_read_capacity(struct block_device_context *blkdev);
static int blkvsc_do_read_capacity16(struct block_device_context *blkdev);
static int blkvsc_do_flush(struct block_device_context *blkdev);
static int blkvsc_cancel_pending_reqs(struct block_device_context *blkdev);
static int blkvsc_do_pending_reqs(struct block_device_context *blkdev);

Expand Down Expand Up @@ -762,41 +796,6 @@ static void blkvsc_shutdown(struct device *device)
spin_unlock_irqrestore(&blkdev->lock, flags);
}

static int blkvsc_do_flush(struct block_device_context *blkdev)
{
struct blkvsc_request *blkvsc_req;

DPRINT_DBG(BLKVSC_DRV, "blkvsc_do_flush()\n");

if (blkdev->device_type != HARDDISK_TYPE)
return 0;

blkvsc_req = kmem_cache_zalloc(blkdev->request_pool, GFP_KERNEL);
if (!blkvsc_req)
return -ENOMEM;

memset(blkvsc_req, 0, sizeof(struct blkvsc_request));
init_completion(&blkvsc_req->request.wait_event);
blkvsc_req->dev = blkdev;
blkvsc_req->req = NULL;
blkvsc_req->write = 0;

blkvsc_req->request.data_buffer.pfn_array[0] = 0;
blkvsc_req->request.data_buffer.offset = 0;
blkvsc_req->request.data_buffer.len = 0;

blkvsc_req->cmnd[0] = SYNCHRONIZE_CACHE;
blkvsc_req->cmd_len = 10;

blkvsc_submit_request(blkvsc_req, blkvsc_cmd_completion);

wait_for_completion_interruptible(&blkvsc_req->request.wait_event);

kmem_cache_free(blkvsc_req->dev->request_pool, blkvsc_req);

return 0;
}

/* Do a scsi INQUIRY cmd here to get the device type (ie disk or dvd) */
static int blkvsc_do_inquiry(struct block_device_context *blkdev)
{
Expand Down

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