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    SubjectRe: [dm-devel] [PATCH] dm: verity support data device offset (Linux 3.4.7)
    On 08/08/2012 08:46 PM, Mikulas Patocka wrote:

    > The problem with the patch is that it changes interface to the userspace
    > tool. The userspace tool veritysetup already exists in recent cryptsetup
    > package, so we can't change the interface - you should change the patch so
    > that the starting data block is the last argument and the argument is
    > optional - so that it is compatible with the existing userspace too.

    yes. Please never change interface without at least increasing target version.

    I have to add userspace support as well to veritysetup and we need a way
    how to detect that option is supported by running kernel.

    Milan


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