Use what the driver provides, which will still be ATA_MAX_QUEUE - 1
at most anyway.
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
---
drivers/ata/libata-core.c | 6 +++---
drivers/ata/libata-scsi.c | 4 ++--
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 69c70923285a..3e8dce769301 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2286,7 +2286,7 @@ static int ata_dev_config_ncq(struct ata_device *dev,
return 0;
}
if (ap->flags & ATA_FLAG_NCQ) {
- hdepth = min(ap->scsi_host->can_queue, ATA_MAX_QUEUE - 1);
+ hdepth = min(ap->scsi_host->can_queue, ATA_MAX_QUEUE);
dev->flags |= ATA_DFLAG_NCQ;
}
@@ -6412,7 +6412,7 @@ void ata_host_init(struct ata_host *host, struct device *dev,
{
spin_lock_init(&host->lock);
mutex_init(&host->eh_mutex);
- host->n_tags = ATA_MAX_QUEUE - 1;
+ host->n_tags = ATA_MAX_QUEUE;
host->dev = dev;
host->ops = ops;
}
@@ -6494,7 +6494,7 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht)
{
int i, rc;
- host->n_tags = clamp(sht->can_queue, 1, ATA_MAX_QUEUE - 1);
+ host->n_tags = clamp(sht->can_queue, 1, ATA_MAX_QUEUE);
/* host must have been started */
if (!(host->flags & ATA_HOST_STARTED)) {
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 610a299f3a80..26885b50fead 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1316,7 +1316,7 @@ static int ata_scsi_dev_config(struct scsi_device *sdev,
int depth;
depth = min(sdev->host->can_queue, ata_id_queue_depth(dev->id));
- depth = min(ATA_MAX_QUEUE - 1, depth);
+ depth = min(ATA_MAX_QUEUE, depth);
scsi_change_queue_depth(sdev, depth);
}
@@ -1429,7 +1429,7 @@ int __ata_change_queue_depth(struct ata_port *ap, struct scsi_device *sdev,
/* limit and apply queue depth */
queue_depth = min(queue_depth, sdev->host->can_queue);
queue_depth = min(queue_depth, ata_id_queue_depth(dev->id));
- queue_depth = min(queue_depth, ATA_MAX_QUEUE - 1);
+ queue_depth = min(queue_depth, ATA_MAX_QUEUE);
if (sdev->queue_depth == queue_depth)
return -EINVAL;
--
2.7.4
--
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