Re: [PATCH] Re: Reduce XFS footprint (was Re: TAKE - remove a function xfs added to filemap.c

[Eric Sandeen <sandeen@xxxxxxx>]

On Tue, 2002-01-29 at 13:56, utz lehmann wrote:
> Hi
> 
> I have a few questions.
> 
> Is xfs using less 64bit arithmetics when compiled without
> XFS_BIG_FILESYSTEMS and/or XFS_BIG_FILES? I think this will save some cpu
> cyles on x86.

I have this same question, I'll do some benchmarking to find out.
 
> What happends with old files larger than 2GB, when a kernel without
> XFS_BIG_FILES is used?

sb->s_maxbytes gets set to a smaller value, so all the normal kernel
size checks kick in, and you won't be able to seek/truncate/read/write
past the smaller value.

-Eric

-- 
Eric Sandeen      XFS for Linux     http://oss.sgi.com/projects/xfs
sandeen@xxxxxxx   SGI, Inc.