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Subject: Re: RFC - new raid superblock layout for md driver
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Neil Brown <neilb@cse.unsw.edu.au>
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On Wed, 2002-11-20 at 23:11, Neil Brown wrote:
> This brings up endian-ness?  Should I assert 'little-endian' or should
> the code check the endianness of the magic number and convert if
> necessary?
> The former is less code which will be exercised more often, so it is
> probably safe.

>From my own experience pick a single endianness otherwise some tool will
always get one endian case wrong on one platform with one word size.

> 
> So:
>   All values shall be little-endian and times shall be stored in 64
>   bits with the top 20 bits representing microseconds (so we & with
>   (1<<44)-1  to get seconds.

Could do - or struct timeval or whatever
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