Re: [SOLVED + PATCH]: documented Oops running big-endian reiserfs

[John Alvord]

On Tue, 4 Sep 2001, Ulrich Weigand wrote:

> 
> Jeff Mahoney wrote:
> 
> >    Are the S/390 asm/unaligned.h versions broken, or is the ReiserFS code
> doing
> >    something not planned for? It's a 16-bit member, at a 16-bit alignment
> >    in the structure.  The structure itself need not be aligned in any
> >    particular manner as it is read directly from disk, and is a packed
> structure.
> 
> The S/390 unaligned.h macros are just direct assignments because the
> S/390 hardware normally *allows* unaligned accesses just fine.
> 
> It is only *atomic* accesses (those implemented using the S/390
> compare-and-swap instruction) that need to be word aligned; this includes
> the atomic bit operations that reiserfs appears to be using.

Aren't their some other "must align" instructions like CVB? Or have they
all been relaxed...

john