Re: [PATCH 2/5] fs,nfs: lift compat nfs4 mount data handling into the nfs code

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On Thu, Sep 17, 2020 at 06:16:04PM +0100, Al Viro wrote:
> On Thu, Sep 17, 2020 at 10:22:33AM +0200, Christoph Hellwig wrote:
> > There is no reason the generic fs code should bother with NFS specific
> > binary mount data - lift the conversion into nfs4_parse_monolithic
> > instead.
> 
> Considering the size of struct compat_nfs4_mount_data_v1...  Do we really
> need to bother with that "copy in place, so we go through the fields
> backwards" logics?  Just make that
> 
> > +static void nfs4_compat_mount_data_conv(struct nfs4_mount_data *data)
> > +{
> 	struct compat_nfs4_mount_data_v1 compat;
> 	compat = *(struct compat_nfs4_mount_data_v1 *)data;
> and copy the damnt thing without worrying about the field order...

Maybe.  But then again why bother?  I just sticked to the existing
code as much as possible.



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