accl_xattr V4 structure makes it hard to dedup SDs/ACLs in the file system

[Jeremy Allison]

On Wed, Feb 17, 2016 at 07:49:05AM -0800, Richard Sharpe wrote:
> This is especially so when you have working FS XATTR dedup code and
> plan to transform NFSv4 ACLs to SDs ...

Wouldn't anything with a hash have that problem ? And we
have to have a hash.