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Date: Wed, 6 Apr 2011 14:35:03 -0700
From: "K. Y. Srinivasan" <kys@...rosoft.com>
To: gregkh@...e.de, linux-kernel@...r.kernel.org,
devel@...uxdriverproject.org, virtualization@...ts.osdl.org
Cc: "K. Y. Srinivasan" <kys@...rosoft.com>,
Haiyang Zhang <haiyangz@...rosoft.com>,
Abhishek Kane <v-abkane@...rosoft.com>,
Hank Janssen <hjanssen@...rosoft.com>
Subject: [PATCH 05/22] Staging: hv: Get rid of the forward declaration of blkvsc_init_rw()
Get rid of the forward declaration of blkvsc_init_rw() by moving the
code around.
Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
Signed-off-by: Abhishek Kane <v-abkane@...rosoft.com>
Signed-off-by: Hank Janssen <hjanssen@...rosoft.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 69048e3..5f14bb6 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -356,6 +356,65 @@ static int blkvsc_getgeo(struct block_device *bd, struct hd_geometry *hg)
return 0;
}
+
+static void blkvsc_init_rw(struct blkvsc_request *blkvsc_req)
+{
+ /* ASSERT(blkvsc_req->req); */
+ /* ASSERT(blkvsc_req->sector_count <=
+ (MAX_MULTIPAGE_BUFFER_COUNT*8)); */
+
+ blkvsc_req->cmd_len = 16;
+
+ if (blkvsc_req->sector_start > 0xffffffff) {
+ if (rq_data_dir(blkvsc_req->req)) {
+ blkvsc_req->write = 1;
+ blkvsc_req->cmnd[0] = WRITE_16;
+ } else {
+ blkvsc_req->write = 0;
+ blkvsc_req->cmnd[0] = READ_16;
+ }
+
+ blkvsc_req->cmnd[1] |=
+ (blkvsc_req->req->cmd_flags & REQ_FUA) ? 0x8 : 0;
+
+ *(unsigned long long *)&blkvsc_req->cmnd[2] =
+ cpu_to_be64(blkvsc_req->sector_start);
+ *(unsigned int *)&blkvsc_req->cmnd[10] =
+ cpu_to_be32(blkvsc_req->sector_count);
+ } else if ((blkvsc_req->sector_count > 0xff) ||
+ (blkvsc_req->sector_start > 0x1fffff)) {
+ if (rq_data_dir(blkvsc_req->req)) {
+ blkvsc_req->write = 1;
+ blkvsc_req->cmnd[0] = WRITE_10;
+ } else {
+ blkvsc_req->write = 0;
+ blkvsc_req->cmnd[0] = READ_10;
+ }
+
+ blkvsc_req->cmnd[1] |=
+ (blkvsc_req->req->cmd_flags & REQ_FUA) ? 0x8 : 0;
+
+ *(unsigned int *)&blkvsc_req->cmnd[2] =
+ cpu_to_be32(blkvsc_req->sector_start);
+ *(unsigned short *)&blkvsc_req->cmnd[7] =
+ cpu_to_be16(blkvsc_req->sector_count);
+ } else {
+ if (rq_data_dir(blkvsc_req->req)) {
+ blkvsc_req->write = 1;
+ blkvsc_req->cmnd[0] = WRITE_6;
+ } else {
+ blkvsc_req->write = 0;
+ blkvsc_req->cmnd[0] = READ_6;
+ }
+
+ *(unsigned int *)&blkvsc_req->cmnd[1] =
+ cpu_to_be32(blkvsc_req->sector_start) >> 8;
+ blkvsc_req->cmnd[1] &= 0x1f;
+ blkvsc_req->cmnd[4] = (unsigned char)blkvsc_req->sector_count;
+ }
+}
+
+
/* Static decl */
static int blkvsc_probe(struct device *dev);
static int blkvsc_remove(struct device *device);
@@ -369,7 +428,6 @@ 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 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);
static int blkvsc_do_read_capacity(struct block_device_context *blkdev);
@@ -1000,63 +1058,6 @@ static int blkvsc_remove(struct device *device)
return ret;
}
-static void blkvsc_init_rw(struct blkvsc_request *blkvsc_req)
-{
- /* ASSERT(blkvsc_req->req); */
- /* ASSERT(blkvsc_req->sector_count <= (MAX_MULTIPAGE_BUFFER_COUNT*8)); */
-
- blkvsc_req->cmd_len = 16;
-
- if (blkvsc_req->sector_start > 0xffffffff) {
- if (rq_data_dir(blkvsc_req->req)) {
- blkvsc_req->write = 1;
- blkvsc_req->cmnd[0] = WRITE_16;
- } else {
- blkvsc_req->write = 0;
- blkvsc_req->cmnd[0] = READ_16;
- }
-
- blkvsc_req->cmnd[1] |=
- (blkvsc_req->req->cmd_flags & REQ_FUA) ? 0x8 : 0;
-
- *(unsigned long long *)&blkvsc_req->cmnd[2] =
- cpu_to_be64(blkvsc_req->sector_start);
- *(unsigned int *)&blkvsc_req->cmnd[10] =
- cpu_to_be32(blkvsc_req->sector_count);
- } else if ((blkvsc_req->sector_count > 0xff) ||
- (blkvsc_req->sector_start > 0x1fffff)) {
- if (rq_data_dir(blkvsc_req->req)) {
- blkvsc_req->write = 1;
- blkvsc_req->cmnd[0] = WRITE_10;
- } else {
- blkvsc_req->write = 0;
- blkvsc_req->cmnd[0] = READ_10;
- }
-
- blkvsc_req->cmnd[1] |=
- (blkvsc_req->req->cmd_flags & REQ_FUA) ? 0x8 : 0;
-
- *(unsigned int *)&blkvsc_req->cmnd[2] =
- cpu_to_be32(blkvsc_req->sector_start);
- *(unsigned short *)&blkvsc_req->cmnd[7] =
- cpu_to_be16(blkvsc_req->sector_count);
- } else {
- if (rq_data_dir(blkvsc_req->req)) {
- blkvsc_req->write = 1;
- blkvsc_req->cmnd[0] = WRITE_6;
- } else {
- blkvsc_req->write = 0;
- blkvsc_req->cmnd[0] = READ_6;
- }
-
- *(unsigned int *)&blkvsc_req->cmnd[1] =
- cpu_to_be32(blkvsc_req->sector_start) >> 8;
- blkvsc_req->cmnd[1] &= 0x1f;
- blkvsc_req->cmnd[4] = (unsigned char)blkvsc_req->sector_count;
- }
-}
-
-
/*
* 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
--
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