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Staging: hv: Move the function storvsc_commmand_completion() to earlier in the file 

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>
This commit is contained in:
K. Y. Srinivasan 2011-05-10 07:54:41 -07:00 committed by Greg Kroah-Hartman
parent 3d598ce1c5
commit 8a411bad39
1 changed files with 58 additions and 57 deletions
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115
drivers/staging/hv/storvsc_drv.c
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@ -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);
@ -718,63 +776,6 @@ static int storvsc_probe(struct hv_device *device)
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);
}
/*
* storvsc_queuecommand - Initiate command processing
*/