ata_scsi_user_scan
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## Name

ata_scsi_user_scan — indication for user-initiated bus scan

## Synopsis

`int ata_scsi_user_scan (` | struct Scsi_Host * shost,
| unsigned int channel,
| unsigned int id,
| unsigned int lun`)`;

## Arguments

`shost`

  SCSI host to scan

`channel`

  Channel to scan

`id`

  ID to scan

`lun`

  LUN to scan

## Description

This function is called when user explicitly requests bus scan. Set probe pending flag and invoke EH.

## LOCKING

SCSI layer (we don't care)

## RETURNS

Zero.

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