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    SubjectRe: [PATCH 06/14] Pramfs: Include files
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    On Sunday 21 June 2009, Marco wrote:
    > I was thinking about your comment and I think I'll use __kernel_off_t
    > for the exported headers. I know that it will differ between 32 and 64
    > bit architectures, but for this kind of fs there isn't any compatibility
    > problem at layout level. You cannot remove a chip of RAM from a board
    > 32bit little endian and attach it to a board with a cpu 64bit big
    > endian, the memory isn't a disk. Indeed, I see that tmpfs uses simply
    > "unsigned long" in the exported header file without any problems to
    > little or big endian.

    It's still a problem. You might be creating a file system image
    for an embedded board with a different endianess. Or even on the
    same machine, you could be looking at the file system contents
    with a 32 bit process running on a 64 bit kernel.

    Arnd <><


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