scsi_block_when_processing_errors
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## Name

scsi_block_when_processing_errors — Prevent cmds from being queued.

## Synopsis

`int scsi_block_when_processing_errors (` | struct scsi_device * sdev`)`;

## Arguments

`sdev`

  Device on which we are performing recovery.

## Description

We block until the host is out of error recovery, and then check to see whether the host or the device is offline.

## Return value

0 when dev was taken offline by error recovery. 1 OK to proceed.

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