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ata: Handle ATA NCQ NO-DATA commands correctly

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Add a new taskfile protocol ATA_PROT_NCQ_NODATA to handle
ATA NCQ NO-DATA commands correctly.
And fixup ata_scsi_zbc_out_xlat() to use it.

Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Hannes Reinecke
2016-07-14 09:05:48 +09:00
committed by Tejun Heo
parent 5b51ba6178
commit 5b844b63dd
6 changed files with 12 additions and 2 deletions
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include/linux/ata.h
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@@ -530,6 +530,7 @@ enum ata_tf_protocols {
ATA_PROT_PIO, /* PIO data xfer */
ATA_PROT_DMA, /* DMA */
ATA_PROT_NCQ, /* NCQ */
ATA_PROT_NCQ_NODATA, /* NCQ no data */
ATAPI_PROT_NODATA, /* packet command, no data */
ATAPI_PROT_PIO, /* packet command, PIO data xfer*/
ATAPI_PROT_DMA, /* packet command with special DMA sauce */