I thought I read somewhere that XFS is working on PPC.. I take it that info was incorrect?
-Cameron On Wed, 30 May 2001, Andrew Sharp wrote: > Anton Blanchard wrote: > > > > Me wrote: > > > The big endian patches change the code to use little endian ordering > > > for all on-disk structures. IMO this is a mistake, and certainly > > > costs a dear performance penalty, because on big endian processors, > > > this method requires converting endianness both ways (reading and > > > writing) for all meta data. > > > > Sane architectures (sparc64, ppc) have load/store with byte swap > > instructions and if reiserfs is using them you shouldnt see a > > performance penalty. > > > > cpu_to_le* etc make use of them. > > It does use them, but are these functions inlines with just one > instruction? If not, then there is a penalty. These handy > instructions just make that penalty a little less painful. > > People have already mentioned enough cases here to convince me that > they do need to be moveable. The one truly convincing case is > wanting to have reiserfs be the root file system, but the hardware > only allows one disk at a time. One could be a hardass and say > yeah, just do it on a similar machine, but my coffee is kicking in > so I don't need to be a hardass anymore today. > > I guess this is just another case where we suffer a small bite > because we're different from x86. Sometime you bite the bear, > however. Someone said that XFS is stored bigendian. Which will be > great when it works on PowerPC/SPARC ~:^) > > a > > > -- > To UNSUBSCRIBE, email to [EMAIL PROTECTED] > with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED] > >
