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 <k...@microsoft.com>
Signed-off-by: Haiyang Zhang <haiya...@microsoft.com>
Signed-off-by: Abhishek Kane <v-abk...@microsoft.com>
Signed-off-by: Hank Janssen <hjans...@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 df98476..e0e349e 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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