i2o_block_device_lock
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## Name

i2o_block_device_lock — Locks the media of device dev

## Synopsis

`int i2o_block_device_lock (` | struct i2o_device * dev,
| u32 media_id`)`;

## Arguments

`dev`

  I2O device which should receive the lock request

`media_id`

  Media Identifier

## Description

Lock media of device dev to prevent removal. The media identifier should be set to -1, because the spec does not support any other value.

Returns 0 on success or negative error code on failure.

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