linux-kernel - [PATCH 19/22] Staging: hv: Get rid of the bytes_xfer field from struct hv_storvsc

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Date:	Tue,  5 Apr 2011 07:05:03 -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 19/22] Staging: hv: Get rid of the bytes_xfer field from struct hv_storvsc_request

In preparation of consolidating all I/O request state,
get rid of the  bytes_xfer field from struct hv_storvsc_request
and instead use the state in the struct vmscsi_request directly.

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/storvsc.c     |    4 ++--
 drivers/staging/hv/storvsc_api.h |    2 --
 drivers/staging/hv/storvsc_drv.c |    2 +-
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/hv/storvsc.c b/drivers/staging/hv/storvsc.c
index cee1fe9..c71481f 100644
--- a/drivers/staging/hv/storvsc.c
+++ b/drivers/staging/hv/storvsc.c
@@ -327,8 +327,8 @@ static void stor_vsc_on_io_completion(struct hv_device *device,
 		}
 	}
 
-	/* TODO: */
-	request->bytes_xfer = vstor_packet->vm_srb.data_transfer_length;
+	stor_pkt->vm_srb.data_transfer_length =
+	vstor_packet->vm_srb.data_transfer_length;
 
 	request->extension.on_io_completion(request);
 
diff --git a/drivers/staging/hv/storvsc_api.h b/drivers/staging/hv/storvsc_api.h
index 3cfae2d..738627c 100644
--- a/drivers/staging/hv/storvsc_api.h
+++ b/drivers/staging/hv/storvsc_api.h
@@ -70,8 +70,6 @@ struct storvsc_request_extension {
 };
 
 struct hv_storvsc_request {
-	u32 bytes_xfer;
-
 	struct storvsc_request_extension extension;
 
 	struct hv_multipage_buffer data_buffer;
diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index 05ff110..fbeec70 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -485,7 +485,7 @@ static void storvsc_commmand_completion(struct hv_storvsc_request *request)
 
 	/* ASSERT(request->BytesXfer <= request->data_buffer.Length); */
 	scsi_set_resid(scmnd,
-		request->data_buffer.len - request->bytes_xfer);
+		request->data_buffer.len - vm_srb->data_transfer_length);
 
 	scsi_done_fn = scmnd->scsi_done;
 
-- 
1.7.4.1

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