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Message-Id: <1304978288-22999-55-git-send-email-kys@microsoft.com>
Date: Mon, 9 May 2011 14:55:37 -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 055/206] Staging: hv: Move the function storvsc_commmand_completion() to earlier in the file
The subject line says it all.
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_drv.c | 115 +++++++++++++++++++-------------------
1 files changed, 58 insertions(+), 57 deletions(-)
diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index 0d9ce56..d10e533 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -539,6 +539,64 @@ static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd)
return ret;
}
+
+/*
+ * storvsc_commmand_completion - Command completion processing
+ */
+static void storvsc_commmand_completion(struct hv_storvsc_request *request)
+{
+ struct storvsc_cmd_request *cmd_request =
+ (struct storvsc_cmd_request *)request->context;
+ struct scsi_cmnd *scmnd = cmd_request->cmd;
+ struct hv_host_device *host_dev =
+ (struct hv_host_device *)scmnd->device->host->hostdata;
+ void (*scsi_done_fn)(struct scsi_cmnd *);
+ struct scsi_sense_hdr sense_hdr;
+ struct vmscsi_request *vm_srb;
+
+ /* ASSERT(request == &cmd_request->request); */
+ /* ASSERT(scmnd); */
+ /* ASSERT((unsigned long)scmnd->host_scribble == */
+ /* (unsigned long)cmd_request); */
+ /* ASSERT(scmnd->scsi_done); */
+
+ if (cmd_request->bounce_sgl_count) {
+ /* using bounce buffer */
+ /* printk("copy_from_bounce_buffer\n"); */
+
+ /* FIXME: We can optimize on writes by just skipping this */
+ copy_from_bounce_buffer(scsi_sglist(scmnd),
+ cmd_request->bounce_sgl,
+ scsi_sg_count(scmnd));
+ destroy_bounce_buffer(cmd_request->bounce_sgl,
+ cmd_request->bounce_sgl_count);
+ }
+
+ vm_srb = &request->vstor_packet.vm_srb;
+ scmnd->result = vm_srb->scsi_status;
+
+ if (scmnd->result) {
+ if (scsi_normalize_sense(scmnd->sense_buffer,
+ SCSI_SENSE_BUFFERSIZE, &sense_hdr))
+ scsi_print_sense_hdr("storvsc", &sense_hdr);
+ }
+
+ /* ASSERT(request->BytesXfer <= request->data_buffer.Length); */
+ scsi_set_resid(scmnd,
+ request->data_buffer.len -
+ vm_srb->data_transfer_length);
+
+ scsi_done_fn = scmnd->scsi_done;
+
+ scmnd->host_scribble = NULL;
+ scmnd->scsi_done = NULL;
+
+ /* !!DO NOT MODIFY the scmnd after this call */
+ scsi_done_fn(scmnd);
+
+ kmem_cache_free(host_dev->request_pool, cmd_request);
+}
+
/* Static decl */
static int storvsc_probe(struct hv_device *dev);
static int storvsc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmnd);
@@ -719,63 +777,6 @@ static int storvsc_probe(struct hv_device *device)
}
/*
- * storvsc_commmand_completion - Command completion processing
- */
-static void storvsc_commmand_completion(struct hv_storvsc_request *request)
-{
- struct storvsc_cmd_request *cmd_request =
- (struct storvsc_cmd_request *)request->context;
- struct scsi_cmnd *scmnd = cmd_request->cmd;
- struct hv_host_device *host_dev =
- (struct hv_host_device *)scmnd->device->host->hostdata;
- void (*scsi_done_fn)(struct scsi_cmnd *);
- struct scsi_sense_hdr sense_hdr;
- struct vmscsi_request *vm_srb;
-
- /* ASSERT(request == &cmd_request->request); */
- /* ASSERT(scmnd); */
- /* ASSERT((unsigned long)scmnd->host_scribble == */
- /* (unsigned long)cmd_request); */
- /* ASSERT(scmnd->scsi_done); */
-
- if (cmd_request->bounce_sgl_count) {
- /* using bounce buffer */
- /* printk("copy_from_bounce_buffer\n"); */
-
- /* FIXME: We can optimize on writes by just skipping this */
- copy_from_bounce_buffer(scsi_sglist(scmnd),
- cmd_request->bounce_sgl,
- scsi_sg_count(scmnd));
- destroy_bounce_buffer(cmd_request->bounce_sgl,
- cmd_request->bounce_sgl_count);
- }
-
- vm_srb = &request->vstor_packet.vm_srb;
- scmnd->result = vm_srb->scsi_status;
-
- if (scmnd->result) {
- if (scsi_normalize_sense(scmnd->sense_buffer,
- SCSI_SENSE_BUFFERSIZE, &sense_hdr))
- scsi_print_sense_hdr("storvsc", &sense_hdr);
- }
-
- /* ASSERT(request->BytesXfer <= request->data_buffer.Length); */
- scsi_set_resid(scmnd,
- request->data_buffer.len -
- vm_srb->data_transfer_length);
-
- scsi_done_fn = scmnd->scsi_done;
-
- scmnd->host_scribble = NULL;
- scmnd->scsi_done = NULL;
-
- /* !!DO NOT MODIFY the scmnd after this call */
- scsi_done_fn(scmnd);
-
- kmem_cache_free(host_dev->request_pool, cmd_request);
-}
-
-/*
* storvsc_queuecommand - Initiate command processing
*/
static int storvsc_queuecommand_lck(struct scsi_cmnd *scmnd,
--
1.7.4.1
--
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