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author | FUJITA Tomonori <tomof@acm.org> | 2007-10-25 01:21:30 +0900 |
---|---|---|
committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-01-11 18:22:30 -0600 |
commit | f10ab66fa564fd624b04fe207ccae206df85efbf (patch) | |
tree | 02d74570656d5be2a799c17576ee50d00221664b | |
parent | 1237c98db2aa94b42dbb9fb1df062b7d3733dc83 (diff) | |
download | linux-stable-f10ab66fa564fd624b04fe207ccae206df85efbf.tar.gz linux-stable-f10ab66fa564fd624b04fe207ccae206df85efbf.tar.bz2 linux-stable-f10ab66fa564fd624b04fe207ccae206df85efbf.zip |
[SCSI] tgt: convert to use the data buffer accessors
- convert to use the new accessors for the sg lists and the
parameters.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
-rw-r--r-- | drivers/scsi/ibmvscsi/ibmvstgt.c | 2 | ||||
-rw-r--r-- | drivers/scsi/libsrp.c | 23 | ||||
-rw-r--r-- | drivers/scsi/scsi_tgt_if.c | 2 | ||||
-rw-r--r-- | drivers/scsi/scsi_tgt_lib.c | 11 |
4 files changed, 20 insertions, 18 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvstgt.c b/drivers/scsi/ibmvscsi/ibmvstgt.c index 82bcab688b44..d63f11e95abf 100644 --- a/drivers/scsi/ibmvscsi/ibmvstgt.c +++ b/drivers/scsi/ibmvscsi/ibmvstgt.c @@ -292,7 +292,7 @@ static int ibmvstgt_cmd_done(struct scsi_cmnd *sc, dprintk("%p %p %x %u\n", iue, target, vio_iu(iue)->srp.cmd.cdb[0], cmd->usg_sg); - if (sc->use_sg) + if (scsi_sg_count(sc)) err = srp_transfer_data(sc, &vio_iu(iue)->srp.cmd, ibmvstgt_rdma, 1, 1); spin_lock_irqsave(&target->lock, flags); diff --git a/drivers/scsi/libsrp.c b/drivers/scsi/libsrp.c index 2ad0a27dbaab..5cff0204227d 100644 --- a/drivers/scsi/libsrp.c +++ b/drivers/scsi/libsrp.c @@ -192,18 +192,18 @@ static int srp_direct_data(struct scsi_cmnd *sc, struct srp_direct_buf *md, if (dma_map) { iue = (struct iu_entry *) sc->SCp.ptr; - sg = sc->request_buffer; + sg = scsi_sglist(sc); - dprintk("%p %u %u %d\n", iue, sc->request_bufflen, - md->len, sc->use_sg); + dprintk("%p %u %u %d\n", iue, scsi_bufflen(sc), + md->len, scsi_sg_count(sc)); - nsg = dma_map_sg(iue->target->dev, sg, sc->use_sg, + nsg = dma_map_sg(iue->target->dev, sg, scsi_sg_count(sc), DMA_BIDIRECTIONAL); if (!nsg) { - printk("fail to map %p %d\n", iue, sc->use_sg); + printk("fail to map %p %d\n", iue, scsi_sg_count(sc)); return 0; } - len = min(sc->request_bufflen, md->len); + len = min(scsi_bufflen(sc), md->len); } else len = md->len; @@ -229,10 +229,10 @@ static int srp_indirect_data(struct scsi_cmnd *sc, struct srp_cmd *cmd, if (dma_map || ext_desc) { iue = (struct iu_entry *) sc->SCp.ptr; - sg = sc->request_buffer; + sg = scsi_sglist(sc); dprintk("%p %u %u %d %d\n", - iue, sc->request_bufflen, id->len, + iue, scsi_bufflen(sc), id->len, cmd->data_in_desc_cnt, cmd->data_out_desc_cnt); } @@ -268,13 +268,14 @@ static int srp_indirect_data(struct scsi_cmnd *sc, struct srp_cmd *cmd, rdma: if (dma_map) { - nsg = dma_map_sg(iue->target->dev, sg, sc->use_sg, DMA_BIDIRECTIONAL); + nsg = dma_map_sg(iue->target->dev, sg, scsi_sg_count(sc), + DMA_BIDIRECTIONAL); if (!nsg) { - eprintk("fail to map %p %d\n", iue, sc->use_sg); + eprintk("fail to map %p %d\n", iue, scsi_sg_count(sc)); err = -EIO; goto free_mem; } - len = min(sc->request_bufflen, id->len); + len = min(scsi_bufflen(sc), id->len); } else len = id->len; diff --git a/drivers/scsi/scsi_tgt_if.c b/drivers/scsi/scsi_tgt_if.c index 9815a1a2db24..d2557dbc2dc1 100644 --- a/drivers/scsi/scsi_tgt_if.c +++ b/drivers/scsi/scsi_tgt_if.c @@ -112,7 +112,7 @@ int scsi_tgt_uspace_send_cmd(struct scsi_cmnd *cmd, u64 itn_id, memset(&ev, 0, sizeof(ev)); ev.p.cmd_req.host_no = shost->host_no; ev.p.cmd_req.itn_id = itn_id; - ev.p.cmd_req.data_len = cmd->request_bufflen; + ev.p.cmd_req.data_len = scsi_bufflen(cmd); memcpy(ev.p.cmd_req.scb, cmd->cmnd, sizeof(ev.p.cmd_req.scb)); memcpy(ev.p.cmd_req.lun, lun, sizeof(ev.p.cmd_req.lun)); ev.p.cmd_req.attribute = cmd->tag; diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c index a91761c3645f..deea3cd5bf49 100644 --- a/drivers/scsi/scsi_tgt_lib.c +++ b/drivers/scsi/scsi_tgt_lib.c @@ -331,7 +331,7 @@ static void scsi_tgt_cmd_done(struct scsi_cmnd *cmd) scsi_tgt_uspace_send_status(cmd, tcmd->itn_id, tcmd->tag); - if (cmd->request_buffer) + if (scsi_sglist(cmd)) scsi_free_sgtable(cmd); queue_work(scsi_tgtd, &tcmd->work); @@ -365,14 +365,15 @@ static int scsi_tgt_init_cmd(struct scsi_cmnd *cmd, gfp_t gfp_mask) cmd->request_bufflen = rq->data_len; - dprintk("cmd %p cnt %d %lu\n", cmd, cmd->use_sg, rq_data_dir(rq)); - count = blk_rq_map_sg(rq->q, rq, cmd->request_buffer); - if (likely(count <= cmd->use_sg)) { + dprintk("cmd %p cnt %d %lu\n", cmd, scsi_sg_count(cmd), + rq_data_dir(rq)); + count = blk_rq_map_sg(rq->q, rq, scsi_sglist(cmd)); + if (likely(count <= scsi_sg_count(cmd))) { cmd->use_sg = count; return 0; } - eprintk("cmd %p cnt %d\n", cmd, cmd->use_sg); + eprintk("cmd %p cnt %d\n", cmd, scsi_sg_count(cmd)); scsi_free_sgtable(cmd); return -EINVAL; } |