On Fri, Jun 09, 2006 at 07:50:08PM -0400, Theodore Ts'o wrote:
> So without further ado, here are some ideas of ways that we can slim
> down struct inode:
> 
> 1) Move i_blksize (optimal size for I/O, reported by the stat system
>    call).  Is there any reason why this needs to be per-inode, instead
>    of per-filesystem?
> 
> 2) Move i_blkbits (blocksize for doing direct I/O in bits) to struct
>    super.  Again, why is this per-inode?

  ZFS filesystem uses dynamic, per-file blocksizes. Some Linux
filesystem may implement something like this in order to be called
"modern".

-- 
Tomasz Torcz                 "God, root, what's the difference?"
zdzichu@irc.-nie.spam-.pl         "God is more forgiving."