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[PATCH] libata: move cdb_len for host to device

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cdb_len is per-device property.  Sharing cdb_len on ap results in
inaccurate configuration on revalidation and hotplugging.  This patch
makes cdb_len per-device.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Tejun Heo
2006-02-12 23:32:58 +09:00
committed by Jeff Garzik
parent 8eabd02c24
commit 6e7846e9c5
5 changed files with 19 additions and 13 deletions
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4
drivers/scsi/libata-scsi.c
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@@ -2146,7 +2146,7 @@ static void atapi_request_sense(struct ata_queued_cmd *qc)
ata_sg_init_one(qc, cmd->sense_buffer, sizeof(cmd->sense_buffer));
qc->dma_dir = DMA_FROM_DEVICE;
memset(&qc->cdb, 0, ap->cdb_len);
memset(&qc->cdb, 0, qc->dev->cdb_len);
qc->cdb[0] = REQUEST_SENSE;
qc->cdb[4] = SCSI_SENSE_BUFFERSIZE;
@@ -2248,7 +2248,7 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc, const u8 *scsicmd)
if (ata_check_atapi_dma(qc))
using_pio = 1;
memcpy(&qc->cdb, scsicmd, qc->ap->cdb_len);
memcpy(&qc->cdb, scsicmd, dev->cdb_len);
qc->complete_fn = atapi_qc_complete;