Re: [Bug-tar] xattr support on Linux

[Joerg Schilling]

Pavel Raiskup <address@hidden> wrote:

> > AFAIK, the Linux xattr names are not living in the filesystem but inside 
> > files, 
> > so I would assume that there are other rules for them.
>
> AFAIK, they resides in the filesystem on Linux.  Thats the reason why
> linux xattrs have this low size limits comparing to NFSv4 standard.

If they did live in the filesystem, therw would not be a low size limit.

> > A related OS implementation should from my view disallow '=' inside a the 
> > name 
> > of a name=value pair, but if this conceptional problem is not fixable at 
> > the 
> > right location anymore, I would prefer to just encode '=' and '%'.
>
> There is probably no need to disallow '=' inside extended attributes
> keywords as the '=' may be encoded also inside separate files?  The linux
> xattrs api would be able to encode/decode this informations...
>
> > I would prefer to just encode '=' and '%'.
>
> So do you think this solution is good enough?  I also think that encode
> the whole keyword is not necessary.  Would you be able to fix this also in
> star in future?

yes

Jörg

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