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Go Back   Linux Archive > Redhat > Device-mapper Development

 
 
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Old 07-15-2011, 12:56 AM
Jeff Cook
 
Default dm-crypt: add mapping table option to allowing discard requests

On 07/14/2011 05:56 AM, Milan Broz wrote:
> Add optional parameter field to dmcrypt table and support
> "allow_discards" option.
>
> Discard requests bypass crypt queue processing, bio
> request is simple remapped to underlying device.
>
> Note that discard will be never enabled by default because
> of security consequences, it is up to administrator
> to enable it for encrypted devices.
>
> (Note that userspace cryptsetup will not understand new
> optional parameters yet, support for this will come later.)
>
> Signed-off-by: Milan Broz <mbroz@redhat.com>
> [snip]

Thanks very much for this patch Milan. I will try compiling it shortly
and see where things go -- are you expecting this to be submitted for
inclusion in mainline soon?

Thanks again.

From
Jeff

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