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yaml
---
r: 110530
b: refs/heads/master
c: 44c7b0e
h: refs/heads/master
v: v3
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FUJITA Tomonori authored and Jens Axboe committed Oct 9, 2008
1 parent 2decb47 commit c91a1b1
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Showing 2 changed files with 14 additions and 26 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: fd1c1de0766844af4cfc39298e109ad273e72a9e
refs/heads/master: 44c7b0eaa041007066e30ab4869d5bbf8dad5989
38 changes: 13 additions & 25 deletions trunk/drivers/scsi/sg.c
Original file line number Diff line number Diff line change
Expand Up @@ -1626,14 +1626,23 @@ exit_sg(void)
idr_destroy(&sg_index_idr);
}

static int __sg_start_req(struct sg_request *srp, struct sg_io_hdr *hp,
unsigned char *cmd)
static int sg_start_req(Sg_request *srp, unsigned char *cmd)
{
struct sg_fd *sfp = srp->parentfp;
struct request_queue *q = sfp->parentdp->device->request_queue;
int res = 0;
struct request *rq;
Sg_fd *sfp = srp->parentfp;
sg_io_hdr_t *hp = &srp->header;
int dxfer_len = (int) hp->dxfer_len;
int dxfer_dir = hp->dxfer_direction;
Sg_scatter_hold *req_schp = &srp->data;
Sg_scatter_hold *rsv_schp = &sfp->reserve;
struct request_queue *q = sfp->parentdp->device->request_queue;
struct rq_map_data map_data;
int rw = hp->dxfer_direction == SG_DXFER_TO_DEV ? WRITE : READ;

SCSI_LOG_TIMEOUT(4, printk(KERN_INFO "sg_start_req: dxfer_len=%d\n",
dxfer_len));

rq = blk_get_request(q, rw, GFP_ATOMIC);
if (!rq)
return -ENOMEM;
Expand All @@ -1648,27 +1657,6 @@ static int __sg_start_req(struct sg_request *srp, struct sg_io_hdr *hp,
rq->sense = srp->sense_b;
rq->retries = SG_DEFAULT_RETRIES;

return 0;
}

static int sg_start_req(Sg_request *srp, unsigned char *cmd)
{
int res;
Sg_fd *sfp = srp->parentfp;
sg_io_hdr_t *hp = &srp->header;
int dxfer_len = (int) hp->dxfer_len;
int dxfer_dir = hp->dxfer_direction;
Sg_scatter_hold *req_schp = &srp->data;
Sg_scatter_hold *rsv_schp = &sfp->reserve;
struct request_queue *q = sfp->parentdp->device->request_queue;
struct rq_map_data map_data;

SCSI_LOG_TIMEOUT(4, printk("sg_start_req: dxfer_len=%d\n", dxfer_len));

res = __sg_start_req(srp, hp, cmd);
if (res)
return res;

if ((dxfer_len <= 0) || (dxfer_dir == SG_DXFER_NONE))
return 0;

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