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authorJens Axboe <jens.axboe@oracle.com>2007-05-09 13:43:12 +0200
committerJens Axboe <jens.axboe@oracle.com>2007-10-16 11:14:19 +0200
commit2f08fe5221b79aa1e240aa3938e9de6ab0baf1d3 (patch)
tree328cfb1491b9e350e5272cdf3905934a7f6ae1a5 /drivers/scsi/qlogicpti.c
parent8145bfe463f4dcd644304933e6b80460557daa44 (diff)
downloadop-kernel-dev-2f08fe5221b79aa1e240aa3938e9de6ab0baf1d3.zip
op-kernel-dev-2f08fe5221b79aa1e240aa3938e9de6ab0baf1d3.tar.gz
qlogicpti: sg chaining support
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/scsi/qlogicpti.c')
-rw-r--r--drivers/scsi/qlogicpti.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index e93f803..7a2e798 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -868,7 +868,7 @@ static inline int load_cmd(struct scsi_cmnd *Cmnd, struct Command_Entry *cmd,
struct qlogicpti *qpti, u_int in_ptr, u_int out_ptr)
{
struct dataseg *ds;
- struct scatterlist *sg;
+ struct scatterlist *sg, *s;
int i, n;
if (Cmnd->use_sg) {
@@ -884,11 +884,12 @@ static inline int load_cmd(struct scsi_cmnd *Cmnd, struct Command_Entry *cmd,
n = sg_count;
if (n > 4)
n = 4;
- for (i = 0; i < n; i++, sg++) {
- ds[i].d_base = sg_dma_address(sg);
- ds[i].d_count = sg_dma_len(sg);
+ for_each_sg(sg, s, n, i) {
+ ds[i].d_base = sg_dma_address(s);
+ ds[i].d_count = sg_dma_len(s);
}
sg_count -= 4;
+ sg = s;
while (sg_count > 0) {
struct Continuation_Entry *cont;
@@ -907,9 +908,9 @@ static inline int load_cmd(struct scsi_cmnd *Cmnd, struct Command_Entry *cmd,
n = sg_count;
if (n > 7)
n = 7;
- for (i = 0; i < n; i++, sg++) {
- ds[i].d_base = sg_dma_address(sg);
- ds[i].d_count = sg_dma_len(sg);
+ for_each_sg(sg, s, n, i) {
+ ds[i].d_base = sg_dma_address(s);
+ ds[i].d_count = sg_dma_len(s);
}
sg_count -= n;
}
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