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authorTejun Heo <htejun@gmail.com>2006-11-14 22:47:10 +0900
committerTejun Heo <htejun@gmail.com>2006-12-03 17:56:24 +0900
commit70e6ad0c6d1e6cb9ee3c036a85ca2561eb1fd766 (patch)
tree9af1423c89d7f58093d2ee3cfc2112c2060ebfca /drivers
parentbd056d7eeb55d696556ee4f5ee2acb67b2d16df4 (diff)
[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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ata/libata-core.c6
-rw-r--r--drivers/ata/libata.h1
2 files changed, 4 insertions, 3 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 4ac53ef0e4b..88327638820 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 60576b1237e..1ff3f59504c 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);