Add a new qc flag ATA_QCFLAG_IO. This flag gets set for normal IO
commands originating from SCSI midlayer. This information will be
used by EH to determine transfer speed reconfiguration.
Signed-off-by: Tejun Heo <htejun@xxxxxxxxx>
---
drivers/scsi/libata-scsi.c | 1 +
include/linux/libata.h | 3 ++-
2 files changed, 3 insertions(+), 1 deletions(-)
c990a902336e539c91d6f030f67d294674065c83
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index 096bdff..234e1ca 100644
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -1188,6 +1188,7 @@ static unsigned int ata_scsi_rw_xlat(str
u64 block;
u32 n_block;
+ qc->flags |= ATA_QCFLAG_IO;
tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE;
if (scsicmd[0] == WRITE_10 || scsicmd[0] == WRITE_6 ||
diff --git a/include/linux/libata.h b/include/linux/libata.h
index cbbc821..a6d829c 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -161,7 +161,8 @@ enum {
ATA_QCFLAG_SG = (1 << 1), /* have s/g table? */
ATA_QCFLAG_SINGLE = (1 << 2), /* no s/g, just a single buffer */
ATA_QCFLAG_DMAMAP = ATA_QCFLAG_SG | ATA_QCFLAG_SINGLE,
- ATA_QCFLAG_EH_SCHEDULED = (1 << 3), /* EH scheduled */
+ ATA_QCFLAG_IO = (1 << 3), /* standard IO command */
+ ATA_QCFLAG_EH_SCHEDULED = (1 << 4), /* EH scheduled */
/* host set flags */
ATA_HOST_SIMPLEX = (1 << 0), /* Host is simplex, one DMA channel per host_set only */
--
1.2.4
-
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