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| author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2008-08-28 08:05:59 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-10-09 08:56:11 +0200 |
| commit | 01cfcddd98f09e05a2e36031654ed46643b76f23 (patch) | |
| tree | 58bfbd3d70363e5a8d1c5822d27b29e2be93ad40 /drivers/scsi/sg.c | |
| parent | block: add blk_rq_aligned helper function (diff) | |
| download | linux-01cfcddd98f09e05a2e36031654ed46643b76f23.tar.xz linux-01cfcddd98f09e05a2e36031654ed46643b76f23.zip | |
sg: use blk_rq_aligned helper function
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Douglas Gilbert <dougg@torque.net>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/scsi/sg.c')
| -rw-r--r-- | drivers/scsi/sg.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index d6391666502c..ed69292babde 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1656,11 +1656,9 @@ static int sg_start_req(Sg_request *srp, unsigned char *cmd) sg_io_hdr_t *hp = &srp->header; int dxfer_len = (int) hp->dxfer_len; int dxfer_dir = hp->dxfer_direction; - unsigned long uaddr = (unsigned long)hp->dxferp; Sg_scatter_hold *req_schp = &srp->data; Sg_scatter_hold *rsv_schp = &sfp->reserve; struct request_queue *q = sfp->parentdp->device->request_queue; - unsigned long alignment = queue_dma_alignment(q) | q->dma_pad_mask; struct rq_map_data map_data; SCSI_LOG_TIMEOUT(4, printk("sg_start_req: dxfer_len=%d\n", dxfer_len)); @@ -1676,7 +1674,7 @@ static int sg_start_req(Sg_request *srp, unsigned char *cmd) if (sg_allow_dio && (hp->flags & SG_FLAG_DIRECT_IO) && (dxfer_dir != SG_DXFER_UNKNOWN) && (0 == hp->iovec_count) && (!sfp->parentdp->device->host->unchecked_isa_dma) && - !(uaddr & alignment) && !(dxfer_len & alignment)) + blk_rq_aligned(q, hp->dxferp, dxfer_len)) return sg_build_direct(srp, sfp, dxfer_len); #endif if ((!sg_res_in_use(sfp)) && (dxfer_len <= rsv_schp->bufflen)) |