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| author |   Shaun Tancheff <shaun@tancheff.com> | 2016-08-21 23:23:21 -0500 |
|---|---|---|
| committer |   Tejun Heo <tj@kernel.org> | 2016-08-25 11:26:48 -0400 |
| commit | 7d36dd00ab8d57134cce86ad4febc2f5bbdf3e72 (patch) | |
| tree | cd177a7b3259b9cf61a230ecf030d91770e131b7 | |
| parent | libata: SCT Write Same / DSM Trim (diff) | |
| download | linux-dev-7d36dd00ab8d57134cce86ad4febc2f5bbdf3e72.tar.xz linux-dev-7d36dd00ab8d57134cce86ad4febc2f5bbdf3e72.zip | |
libata: SCT Write Same handle ATA_DFLAG_PIO
Use non DMA write log when ATA_DFLAG_PIO is set.
Signed-off-by: Shaun Tancheff <shaun.tancheff@seagate.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Acked-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | drivers/ata/libata-scsi.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 35b1f9e475cc..2f5487f02de1 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -3485,6 +3485,8 @@ static unsigned int ata_scsi_write_same_xlat(struct ata_queued_cmd *qc) tf->device = ATA_CMD_STANDBYNOW1; tf->protocol = ATA_PROT_DMA; tf->command = ATA_CMD_WRITE_LOG_DMA_EXT; + if (unlikely(dev->flags & ATA_DFLAG_PIO)) + tf->command = ATA_CMD_WRITE_LOG_EXT; } tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48 | |