From: "K. Y. Srinivasan" <kys@microsoft.com>
To: gregkh@suse.de, linux-kernel@vger.kernel.org,
devel@linuxdriverproject.org, virtualization@lists.osdl.org
Cc: "K. Y. Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Abhishek Kane <v-abkane@microsoft.com>,
Hank Janssen <hjanssen@microsoft.com>
Subject: [PATCH 16/22] Staging: hv: Get rid of the forward declaration for blkvsc_do_inquiry()
Date: Mon, 28 Mar 2011 10:00:47 -0700 [thread overview]
Message-ID: <1301331653-26265-16-git-send-email-kys@microsoft.com> (raw)
In-Reply-To: <1301331653-26265-1-git-send-email-kys@microsoft.com>
Get rid of the forward declaration for blkvsc_do_inquiry() 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 | 158 +++++++++++++++++++-------------------
1 files changed, 79 insertions(+), 79 deletions(-)
diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index 5079859..71059c6 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -873,13 +873,91 @@ static int blkvsc_revalidate_disk(struct gendisk *gd)
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)
+{
+ struct blkvsc_request *blkvsc_req;
+ struct page *page_buf;
+ unsigned char *buf;
+ unsigned char device_type;
+
+ DPRINT_DBG(BLKVSC_DRV, "blkvsc_do_inquiry()\n");
+
+ blkvsc_req = kmem_cache_zalloc(blkdev->request_pool, GFP_KERNEL);
+ if (!blkvsc_req)
+ return -ENOMEM;
+
+ memset(blkvsc_req, 0, sizeof(struct blkvsc_request));
+ page_buf = alloc_page(GFP_KERNEL);
+ if (!page_buf) {
+ kmem_cache_free(blkvsc_req->dev->request_pool, blkvsc_req);
+ return -ENOMEM;
+ }
+
+ 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] =
+ page_to_pfn(page_buf);
+ blkvsc_req->request.data_buffer.offset = 0;
+ blkvsc_req->request.data_buffer.len = 64;
+
+ blkvsc_req->cmnd[0] = INQUIRY;
+ blkvsc_req->cmnd[1] = 0x1; /* Get product data */
+ blkvsc_req->cmnd[2] = 0x83; /* mode page 83 */
+ blkvsc_req->cmnd[4] = 64;
+ blkvsc_req->cmd_len = 6;
+
+ blkvsc_submit_request(blkvsc_req, blkvsc_cmd_completion);
+
+ DPRINT_DBG(BLKVSC_DRV, "waiting %p to complete\n",
+ blkvsc_req);
+
+ wait_for_completion_interruptible(&blkvsc_req->request.wait_event);
+
+ buf = kmap(page_buf);
+
+ /* print_hex_dump_bytes("", DUMP_PREFIX_NONE, buf, 64); */
+ /* be to le */
+ device_type = buf[0] & 0x1F;
+
+ if (device_type == 0x0) {
+ blkdev->device_type = HARDDISK_TYPE;
+ } else if (device_type == 0x5) {
+ blkdev->device_type = DVD_TYPE;
+ } else {
+ /* TODO: this is currently unsupported device type */
+ blkdev->device_type = UNKNOWN_DEV_TYPE;
+ }
+
+ DPRINT_DBG(BLKVSC_DRV, "device type %d\n", device_type);
+
+ blkdev->device_id_len = buf[7];
+ if (blkdev->device_id_len > 64)
+ blkdev->device_id_len = 64;
+
+ memcpy(blkdev->device_id, &buf[8], blkdev->device_id_len);
+ /* printk_hex_dump_bytes("", DUMP_PREFIX_NONE, blkdev->device_id,
+ * blkdev->device_id_len); */
+
+ kunmap(page_buf);
+
+ __free_page(page_buf);
+
+ kmem_cache_free(blkvsc_req->dev->request_pool, blkvsc_req);
+
+ return 0;
+}
+
/* Static decl */
static int blkvsc_probe(struct device *dev);
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_do_inquiry(struct block_device_context *blkdev);
static int blkvsc_do_pending_reqs(struct block_device_context *blkdev);
static int blkvsc_ringbuffer_size = BLKVSC_RING_BUFFER_SIZE;
@@ -1134,84 +1212,6 @@ Cleanup:
return ret;
}
-/* 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)
-{
- struct blkvsc_request *blkvsc_req;
- struct page *page_buf;
- unsigned char *buf;
- unsigned char device_type;
-
- DPRINT_DBG(BLKVSC_DRV, "blkvsc_do_inquiry()\n");
-
- blkvsc_req = kmem_cache_zalloc(blkdev->request_pool, GFP_KERNEL);
- if (!blkvsc_req)
- return -ENOMEM;
-
- memset(blkvsc_req, 0, sizeof(struct blkvsc_request));
- page_buf = alloc_page(GFP_KERNEL);
- if (!page_buf) {
- kmem_cache_free(blkvsc_req->dev->request_pool, blkvsc_req);
- return -ENOMEM;
- }
-
- 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] =
- page_to_pfn(page_buf);
- blkvsc_req->request.data_buffer.offset = 0;
- blkvsc_req->request.data_buffer.len = 64;
-
- blkvsc_req->cmnd[0] = INQUIRY;
- blkvsc_req->cmnd[1] = 0x1; /* Get product data */
- blkvsc_req->cmnd[2] = 0x83; /* mode page 83 */
- blkvsc_req->cmnd[4] = 64;
- blkvsc_req->cmd_len = 6;
-
- blkvsc_submit_request(blkvsc_req, blkvsc_cmd_completion);
-
- DPRINT_DBG(BLKVSC_DRV, "waiting %p to complete\n",
- blkvsc_req);
-
- wait_for_completion_interruptible(&blkvsc_req->request.wait_event);
-
- buf = kmap(page_buf);
-
- /* print_hex_dump_bytes("", DUMP_PREFIX_NONE, buf, 64); */
- /* be to le */
- device_type = buf[0] & 0x1F;
-
- if (device_type == 0x0) {
- blkdev->device_type = HARDDISK_TYPE;
- } else if (device_type == 0x5) {
- blkdev->device_type = DVD_TYPE;
- } else {
- /* TODO: this is currently unsupported device type */
- blkdev->device_type = UNKNOWN_DEV_TYPE;
- }
-
- DPRINT_DBG(BLKVSC_DRV, "device type %d\n", device_type);
-
- blkdev->device_id_len = buf[7];
- if (blkdev->device_id_len > 64)
- blkdev->device_id_len = 64;
-
- memcpy(blkdev->device_id, &buf[8], blkdev->device_id_len);
- /* printk_hex_dump_bytes("", DUMP_PREFIX_NONE, blkdev->device_id,
- * blkdev->device_id_len); */
-
- kunmap(page_buf);
-
- __free_page(page_buf);
-
- kmem_cache_free(blkvsc_req->dev->request_pool, blkvsc_req);
-
- return 0;
-}
-
/*
* We break the request into 1 or more blkvsc_requests and submit
* them. If we cant submit them all, we put them on the
--
1.7.4.1
next prev parent reply other threads:[~2011-03-28 17:00 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-28 17:00 [PATCH 00/22] Staging: hv: Cleanup-storage-drivers-phase-III K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 01/22] Staging: hv: Get rid of the forward declaration of blkvsc_submit_request() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 02/22] Staging: hv: Get rid of the forward declaration of blkvsc_media_changed() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 03/22] Staging: hv: Get rid of the forward declaration of blkvsc_open() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 04/22] Staging: hv: Get rid of the forward declaration of blkvsc_getgeo() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 05/22] Staging: hv: Get rid of the forward declaration of blkvsc_init_rw() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 06/22] Staging: hv: Get rid of the forward declaration of blkvsc_ioctl() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 07/22] Staging: hv: Get rid of the forward declaration of blkvsc_cmd_completion() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 08/22] Staging: hv: Get rid of the forward declaration of blkvsc_do_flush() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 09/22] Staging: hv: Get rid of the forward declaration of blkvsc_cancel_pending_reqs() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 10/22] Staging: hv: Get rid of the forward declaration of blkvsc_remove() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 11/22] Staging: hv: Get rid of the forward declaration of blkvsc_shutdown() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 12/22] Staging: hv: Get rid of the forward declaration for blkvsc_release() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 13/22] Staging: hv: Get rid of the forward declaration for blkvsc_do_read_capacity() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 14/22] Staging: hv: Get rid of the forward declaration of blkvsc_do_read_capacity16() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 15/22] Staging: hv: Get rid of the forward declaration of blkvsc_revalidate_disk() K. Y. Srinivasan
2011-03-28 17:00 ` K. Y. Srinivasan [this message]
2011-03-28 17:00 ` [PATCH 17/22] Staging: hv: Get rid of the forward declaration for blkvsc_do_request() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 18/22] Staging: hv: Get rid of the forward declaration for blkvsc_do_pending_reqs() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 19/22] Staging: hv: Get rid of the forward declaration for blkvsc_request() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 20/22] Staging: hv: Move some definitions/declarations to be earlier in the file K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 21/22] Staging: hv: Move module parameter to " K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 22/22] Staging: hv: Get rid of some dead code in blkvsc_drv.c K. Y. Srinivasan
2011-04-05 4:59 ` [PATCH 00/22] Staging: hv: Cleanup-storage-drivers-phase-III Greg KH
2011-04-05 13:58 ` KY Srinivasan
2011-04-05 15:10 ` Greg KH
2011-04-05 15:29 ` KY Srinivasan
2011-04-06 22:59 ` KY Srinivasan
-- strict thread matches above, loose matches on Subject: below --
2011-04-06 21:34 [RESEND] " K. Y. Srinivasan
2011-04-06 21:34 ` [PATCH 01/22] Staging: hv: Get rid of the forward declaration of blkvsc_submit_request() K. Y. Srinivasan
2011-04-06 21:35 ` [PATCH 16/22] Staging: hv: Get rid of the forward declaration for blkvsc_do_inquiry() K. Y. Srinivasan
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