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Go Back   Linux Archive > Redhat > Device-mapper Development

 
 
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Old 10-21-2011, 05:07 PM
Mikulas Patocka
 
Default Document the fact that iterate_device method shouldn't block.

Ack.

Mikulas

On Fri, 21 Oct 2011, Joe Thornber wrote:

> ---
> include/linux/device-mapper.h | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
> index aa09503..8ceb13a 100644
> --- a/include/linux/device-mapper.h
> +++ b/include/linux/device-mapper.h
> @@ -148,6 +148,10 @@ struct target_type {
> dm_ioctl_fn ioctl;
> dm_merge_fn merge;
> dm_busy_fn busy;
> +
> + /*
> + * iterate_devices must not block.
> + */
> dm_iterate_devices_fn iterate_devices;
> dm_io_hints_fn io_hints;
>
> --
> 1.7.5.4
>

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