ata_scsi_change_queue_depth
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## Name

ata_scsi_change_queue_depth — SCSI callback for queue depth config

## Synopsis

`int ata_scsi_change_queue_depth (` | struct scsi_device * sdev,
| int queue_depth,
| int reason`)`;

## Arguments

`sdev`

  SCSI device to configure queue depth for

`queue_depth`

  new queue depth

`reason`

  calling context

## Description

This is libata standard hostt->change_queue_depth callback. SCSI will call into this callback when user tries to set queue depth via sysfs.

## LOCKING

SCSI layer (we don't care)

## RETURNS

Newly configured queue depth.

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