diff options
| author | Jens Axboe <jens.axboe@oracle.com> | 2007-05-09 13:43:12 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2007-10-16 11:14:19 +0200 |
| commit | 2f08fe5221b79aa1e240aa3938e9de6ab0baf1d3 (patch) | |
| tree | 328cfb1491b9e350e5272cdf3905934a7f6ae1a5 /drivers/scsi/qlogicpti.c | |
| parent | 8145bfe463f4dcd644304933e6b80460557daa44 (diff) | |
| download | kernel_samsung_smdk4412-2f08fe5221b79aa1e240aa3938e9de6ab0baf1d3.zip kernel_samsung_smdk4412-2f08fe5221b79aa1e240aa3938e9de6ab0baf1d3.tar.gz kernel_samsung_smdk4412-2f08fe5221b79aa1e240aa3938e9de6ab0baf1d3.tar.bz2 | |
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.c | 15 |
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; } |