From 70e6ad0c6d1e6cb9ee3c036a85ca2561eb1fd766 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 14 Nov 2006 22:47:10 +0900 Subject: [PATCH] [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 --- drivers/ata/libata-core.c | 6 +++--- drivers/ata/libata.h | 1 + 2 files changed, 4 insertions(+), 3 deletions(-) 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 @@ int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev, 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 @@ static unsigned int ata_dev_init_params(struct ata_device *dev, * 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; diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index 60576b1..1ff3f59 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -73,6 +73,7 @@ extern int sata_down_spd_limit(struct ata_port *ap); extern int sata_set_spd_needed(struct ata_port *ap); extern int ata_down_xfermask_limit(struct ata_device *dev, int force_pio0); extern int ata_set_mode(struct ata_port *ap, struct ata_device **r_failed_dev); +extern void ata_sg_clean(struct ata_queued_cmd *qc); extern void ata_qc_free(struct ata_queued_cmd *qc); extern void ata_qc_issue(struct ata_queued_cmd *qc); extern void __ata_qc_complete(struct ata_queued_cmd *qc); -- 2.7.4