[PATCH] libata: add ATA_QCFLAG_IO

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@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index cbbc821fe22c..a6d829cb0567 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 */