[PATCH] libata: prepare ata_sg_clean() for invocation from EH
Make ata_sg_clean() global and don't allow NCQ for internal commands.
Signed-off-by: Tejun Heo <htejun@gmail.com>
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 4ac53ef..8832763 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -309,7 +309,8 @@
tf->flags |= tf_flags;
if ((dev->flags & (ATA_DFLAG_PIO | ATA_DFLAG_NCQ_OFF |
- ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ) {
+ ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ &&
+ likely(tag != ATA_TAG_INTERNAL)) {
/* yay, NCQ */
if (!lba_48_ok(block, n_block))
return -ERANGE;
@@ -3533,8 +3534,7 @@
* LOCKING:
* spin_lock_irqsave(host lock)
*/
-
-static void ata_sg_clean(struct ata_queued_cmd *qc)
+void ata_sg_clean(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct scatterlist *sg = qc->__sg;