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Subject[PATCH 15/20] Staging: hv: Move the context field from struct hv_storvsc_request
Date
In preparation of consolidating all I/O request state, move
the context field from struct hv_storvsc_request to
struct storvsc_request_extension.

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 | 6 +++---
drivers/staging/hv/storvsc_api.h | 3 +--
drivers/staging/hv/storvsc_drv.c | 4 ++--
3 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index be7fae5..83c4ba3 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -939,7 +939,7 @@ static int blkvsc_submit_request(struct blkvsc_request *blkvsc_req,
vm_srb->data_in = blkvsc_req->write ? WRITE_TYPE : READ_TYPE;

storvsc_req->on_io_completion = request_completion;
- storvsc_req->context = blkvsc_req;
+ storvsc_req->extension.context = blkvsc_req;

vm_srb->port_number = blkdev->port;
vm_srb->path_id = blkdev->path;
@@ -1136,7 +1136,7 @@ static int blkvsc_do_request(struct block_device_context *blkdev,
static void blkvsc_cmd_completion(struct hv_storvsc_request *request)
{
struct blkvsc_request *blkvsc_req =
- (struct blkvsc_request *)request->context;
+ (struct blkvsc_request *)request->extension.context;
struct block_device_context *blkdev =
(struct block_device_context *)blkvsc_req->dev;
struct scsi_sense_hdr sense_hdr;
@@ -1158,7 +1158,7 @@ static void blkvsc_cmd_completion(struct hv_storvsc_request *request)
static void blkvsc_request_completion(struct hv_storvsc_request *request)
{
struct blkvsc_request *blkvsc_req =
- (struct blkvsc_request *)request->context;
+ (struct blkvsc_request *)request->extension.context;
struct block_device_context *blkdev =
(struct block_device_context *)blkvsc_req->dev;
unsigned long flags;
diff --git a/drivers/staging/hv/storvsc_api.h b/drivers/staging/hv/storvsc_api.h
index fd9165f..68c5036 100644
--- a/drivers/staging/hv/storvsc_api.h
+++ b/drivers/staging/hv/storvsc_api.h
@@ -63,6 +63,7 @@ struct storvsc_request_extension {
struct completion wait_event;

unsigned char *sense_buffer;
+ void *context;

struct vstor_packet vstor_packet;
};
@@ -71,8 +72,6 @@ struct hv_storvsc_request {
u32 status;
u32 bytes_xfer;

- void *context;
-
void (*on_io_completion)(struct hv_storvsc_request *request);

struct storvsc_request_extension extension;
diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index 3a999d0..65e03e6 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -448,7 +448,7 @@ static int storvsc_remove(struct device *device)
static void storvsc_commmand_completion(struct hv_storvsc_request *request)
{
struct storvsc_cmd_request *cmd_request =
- (struct storvsc_cmd_request *)request->context;
+ (struct storvsc_cmd_request *)request->extension.context;
struct scsi_cmnd *scmnd = cmd_request->cmd;
struct host_device_context *host_device_ctx =
(struct host_device_context *)scmnd->device->host->hostdata;
@@ -771,7 +771,7 @@ static int storvsc_queuecommand_lck(struct scsi_cmnd *scmnd,
}

request->on_io_completion = storvsc_commmand_completion;
- request->context = cmd_request;/* scmnd; */
+ request->extension.context = cmd_request;/* scmnd; */

/* request->PortId = scmnd->device->channel; */
vm_srb->port_number = host_device_ctx->port;
--
1.7.4.1


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