blk_trace_ioctl
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## Name

blk_trace_ioctl — handle the ioctls associated with tracing

## Synopsis

`int blk_trace_ioctl (` | struct block_device * bdev,
| unsigned cmd,
| char __user * arg`)`;

## Arguments

`bdev`

  the block device

`cmd`

  the ioctl cmd

`arg`

  the argument data, if any

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