[PATCH] libata: implement ATA_FLAG_IN_EH port flag
ATA_FLAG_IN_EH flag is set on entry to EH and cleared on completion.
This patch just sets and clears the flag. Following patches will
build normal qc execution / EH synchronization aroung this flag.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 474cdfa..55176df 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -162,6 +162,8 @@
ATA_FLAG_PIO_LBA48 = (1 << 13), /* Host DMA engine is LBA28 only */
ATA_FLAG_IRQ_MASK = (1 << 14), /* Mask IRQ in PIO xfers */
+ ATA_FLAG_IN_EH = (1 << 15), /* EH in progress */
+
ATA_QCFLAG_ACTIVE = (1 << 1), /* cmd not yet ack'd to scsi lyer */
ATA_QCFLAG_SG = (1 << 3), /* have s/g table? */
ATA_QCFLAG_SINGLE = (1 << 4), /* no s/g, just a single buffer */
