libata-scsi: convert to use the data buffer accessors
simple search-and-replace of direct scsi_cmnd access to use the data buffer accessors. Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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@ -450,8 +450,8 @@ static struct ata_queued_cmd *ata_scsi_qc_new(struct ata_device *dev,
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qc->scsicmd = cmd;
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qc->scsidone = done;
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qc->__sg = (struct scatterlist *) cmd->request_buffer;
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qc->n_elem = cmd->use_sg;
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qc->__sg = scsi_sglist(cmd);
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qc->n_elem = scsi_sg_count(cmd);
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} else {
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cmd->result = (DID_OK << 16) | (QUEUE_FULL << 1);
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done(cmd);
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@ -1493,13 +1493,13 @@ static int ata_scsi_translate(struct ata_device *dev, struct scsi_cmnd *cmd,
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/* data is present; dma-map it */
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if (cmd->sc_data_direction == DMA_FROM_DEVICE ||
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cmd->sc_data_direction == DMA_TO_DEVICE) {
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if (unlikely(cmd->request_bufflen < 1)) {
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if (unlikely(scsi_bufflen(cmd) < 1)) {
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ata_dev_printk(dev, KERN_WARNING,
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"WARNING: zero len r/w req\n");
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goto err_did;
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}
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ata_sg_init(qc, cmd->request_buffer, cmd->use_sg);
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ata_sg_init(qc, scsi_sglist(cmd), scsi_sg_count(cmd));
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qc->dma_dir = cmd->sc_data_direction;
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}
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@ -1553,7 +1553,7 @@ static unsigned int ata_scsi_rbuf_get(struct scsi_cmnd *cmd, u8 **buf_out)
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u8 *buf;
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unsigned int buflen;
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struct scatterlist *sg = (struct scatterlist *) cmd->request_buffer;
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struct scatterlist *sg = scsi_sglist(cmd);
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if (sg) {
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buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
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@ -1580,7 +1580,7 @@ static unsigned int ata_scsi_rbuf_get(struct scsi_cmnd *cmd, u8 **buf_out)
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static inline void ata_scsi_rbuf_put(struct scsi_cmnd *cmd, u8 *buf)
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{
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struct scatterlist *sg = (struct scatterlist *) cmd->request_buffer;
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struct scatterlist *sg = scsi_sglist(cmd);
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if (sg)
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kunmap_atomic(buf - sg->offset, KM_IRQ0);
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}
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@ -2383,7 +2383,7 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc)
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}
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qc->tf.command = ATA_CMD_PACKET;
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qc->nbytes = scmd->request_bufflen;
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qc->nbytes = scsi_bufflen(scmd);
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/* check whether ATAPI DMA is safe */
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if (!using_pio && ata_check_atapi_dma(qc))
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@ -2633,7 +2633,7 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc)
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case ATA_CMD_WRITE_LONG_ONCE:
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if (tf->protocol != ATA_PROT_PIO || tf->nsect != 1)
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goto invalid_fld;
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qc->sect_size = scmd->request_bufflen;
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qc->sect_size = scsi_bufflen(scmd);
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}
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/*
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@ -2663,7 +2663,7 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc)
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* TODO: find out if we need to do more here to
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* cover scatter/gather case.
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*/
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qc->nbytes = scmd->request_bufflen;
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qc->nbytes = scsi_bufflen(scmd);
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/* request result TF */
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qc->flags |= ATA_QCFLAG_RESULT_TF;
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