d_obtain_alias

d_obtain_alias

[Artem Bityutskiy]

Hi,

where does 'd_obtain_alias()' come from?

I've cloned
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6.git
and cannot compile the for_next branch:

CC [M]  fs/jffs2/super.o
fs/jffs2/super.c: In function ‘jffs2_get_parent’:
fs/jffs2/super.c:103: error: implicit declaration of function ‘d_obtain_alias’
fs/jffs2/super.c:103: warning: return makes pointer from integer without a cast
make[2]: *** [fs/jffs2/super.o] Error 1
make[1]: *** [fs/jffs2] Error 2
make: *** [fs] Error 2

This is the first time I've dealt with vfs-2.6.git, may be I
miss something?

--
Best Regards,
Artem Bityutskiy (Артём Битюцкий)
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Re: d_obtain_alias

[Artem Bityutskiy]

Artem Bityutskiy wrote:
> where does 'd_obtain_alias()' come from?
> 
> I've cloned
> git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6.git
> and cannot compile the for_next branch:

Oh, sorry, fake alarm, I compiled wrong branch.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)
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d_obtain_alias

[Benny Halevy]

Christoph,

I see that in 4ea3ada2955e4519befa98ff55dd62d6dfbd1705,
you declared d_obtain_alias() as EXPORT_SYMBOL_GPL
and that it's supposed to replace d_alloc_anon which
was declared as EXPORT_SYMBOL and thus available to any
loadable module.

Do you consider d_obtain_alias() an internal API?
What exported API non-GPL'ed loadable file systems are
supposed to use now for fh_to_dentry?

Benny