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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2008-08-28 10:05:59 +0400
committerJens Axboe <jens.axboe@oracle.com>2008-10-09 10:56:11 +0400
commit01cfcddd98f09e05a2e36031654ed46643b76f23 (patch)
tree58bfbd3d70363e5a8d1c5822d27b29e2be93ad40 /drivers/scsi/sg.c
parent879040742cf09f2360a9ac41846288707e4e567c (diff)
downloadlinux-01cfcddd98f09e05a2e36031654ed46643b76f23.tar.xz
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.c4
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))