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@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> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -348,6 +348,65 @@ static int blkvsc_getgeo(struct block_device *bd, struct hd_geometry *hg)
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return 0;
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}
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static void blkvsc_init_rw(struct blkvsc_request *blkvsc_req)
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{
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/* ASSERT(blkvsc_req->req); */
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/* ASSERT(blkvsc_req->sector_count <=
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(MAX_MULTIPAGE_BUFFER_COUNT*8)); */
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blkvsc_req->cmd_len = 16;
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if (blkvsc_req->sector_start > 0xffffffff) {
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if (rq_data_dir(blkvsc_req->req)) {
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blkvsc_req->write = 1;
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blkvsc_req->cmnd[0] = WRITE_16;
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} else {
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blkvsc_req->write = 0;
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blkvsc_req->cmnd[0] = READ_16;
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}
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blkvsc_req->cmnd[1] |=
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(blkvsc_req->req->cmd_flags & REQ_FUA) ? 0x8 : 0;
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*(unsigned long long *)&blkvsc_req->cmnd[2] =
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cpu_to_be64(blkvsc_req->sector_start);
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*(unsigned int *)&blkvsc_req->cmnd[10] =
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cpu_to_be32(blkvsc_req->sector_count);
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} else if ((blkvsc_req->sector_count > 0xff) ||
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(blkvsc_req->sector_start > 0x1fffff)) {
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if (rq_data_dir(blkvsc_req->req)) {
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blkvsc_req->write = 1;
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blkvsc_req->cmnd[0] = WRITE_10;
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} else {
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blkvsc_req->write = 0;
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blkvsc_req->cmnd[0] = READ_10;
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}
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blkvsc_req->cmnd[1] |=
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(blkvsc_req->req->cmd_flags & REQ_FUA) ? 0x8 : 0;
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*(unsigned int *)&blkvsc_req->cmnd[2] =
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cpu_to_be32(blkvsc_req->sector_start);
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*(unsigned short *)&blkvsc_req->cmnd[7] =
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cpu_to_be16(blkvsc_req->sector_count);
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} else {
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if (rq_data_dir(blkvsc_req->req)) {
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blkvsc_req->write = 1;
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blkvsc_req->cmnd[0] = WRITE_6;
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} else {
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blkvsc_req->write = 0;
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blkvsc_req->cmnd[0] = READ_6;
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}
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*(unsigned int *)&blkvsc_req->cmnd[1] =
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cpu_to_be32(blkvsc_req->sector_start) >> 8;
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blkvsc_req->cmnd[1] &= 0x1f;
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blkvsc_req->cmnd[4] = (unsigned char)blkvsc_req->sector_count;
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}
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}
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/* Static decl */
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static int blkvsc_probe(struct device *dev);
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static int blkvsc_remove(struct device *device);
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@ -361,7 +420,6 @@ static void blkvsc_request(struct request_queue *queue);
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static void blkvsc_request_completion(struct hv_storvsc_request *request);
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static int blkvsc_do_request(struct block_device_context *blkdev,
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struct request *req);
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static void blkvsc_init_rw(struct blkvsc_request *blkvsc_req);
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static void blkvsc_cmd_completion(struct hv_storvsc_request *request);
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static int blkvsc_do_inquiry(struct block_device_context *blkdev);
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static int blkvsc_do_read_capacity(struct block_device_context *blkdev);
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@ -991,63 +1049,6 @@ static int blkvsc_remove(struct device *device)
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return ret;
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}
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static void blkvsc_init_rw(struct blkvsc_request *blkvsc_req)
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{
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/* ASSERT(blkvsc_req->req); */
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/* ASSERT(blkvsc_req->sector_count <= (MAX_MULTIPAGE_BUFFER_COUNT*8)); */
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blkvsc_req->cmd_len = 16;
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if (blkvsc_req->sector_start > 0xffffffff) {
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if (rq_data_dir(blkvsc_req->req)) {
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blkvsc_req->write = 1;
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blkvsc_req->cmnd[0] = WRITE_16;
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} else {
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blkvsc_req->write = 0;
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blkvsc_req->cmnd[0] = READ_16;
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}
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blkvsc_req->cmnd[1] |=
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(blkvsc_req->req->cmd_flags & REQ_FUA) ? 0x8 : 0;
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*(unsigned long long *)&blkvsc_req->cmnd[2] =
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cpu_to_be64(blkvsc_req->sector_start);
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*(unsigned int *)&blkvsc_req->cmnd[10] =
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cpu_to_be32(blkvsc_req->sector_count);
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} else if ((blkvsc_req->sector_count > 0xff) ||
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(blkvsc_req->sector_start > 0x1fffff)) {
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if (rq_data_dir(blkvsc_req->req)) {
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blkvsc_req->write = 1;
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blkvsc_req->cmnd[0] = WRITE_10;
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} else {
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blkvsc_req->write = 0;
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blkvsc_req->cmnd[0] = READ_10;
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}
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blkvsc_req->cmnd[1] |=
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(blkvsc_req->req->cmd_flags & REQ_FUA) ? 0x8 : 0;
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*(unsigned int *)&blkvsc_req->cmnd[2] =
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cpu_to_be32(blkvsc_req->sector_start);
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*(unsigned short *)&blkvsc_req->cmnd[7] =
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cpu_to_be16(blkvsc_req->sector_count);
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} else {
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if (rq_data_dir(blkvsc_req->req)) {
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blkvsc_req->write = 1;
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blkvsc_req->cmnd[0] = WRITE_6;
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} else {
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blkvsc_req->write = 0;
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blkvsc_req->cmnd[0] = READ_6;
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}
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*(unsigned int *)&blkvsc_req->cmnd[1] =
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cpu_to_be32(blkvsc_req->sector_start) >> 8;
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blkvsc_req->cmnd[1] &= 0x1f;
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blkvsc_req->cmnd[4] = (unsigned char)blkvsc_req->sector_count;
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}
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}
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/*
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* We break the request into 1 or more blkvsc_requests and submit
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* them. If we can't submit them all, we put them on the
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