[Ocfs2-devel] [PATCH 0/12 v2] Moving i_dquot out of struct inode

[Al Viro]

On Sat, Oct 11, 2014 at 06:34:52AM -0700, Christoph Hellwig wrote:
> I still very much disagree with the s_inode_fields indirection.  Please
> find a patch below to remove it, and use a get_dquots super_block
> operation instead.  This leads to less and better readable code,
> and serves 4 bytes in every inode in the system.  Additionally the
> indirection could easily be optimized away by directly passing the
> dquot array in various functions, but for now I'd like to keep it
> simple.

Indeed.  This "array of offsets" approach is asking for trouble.  Please,
don't go there - playing that way with type safety is a bad idea.