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SubjectRe: [patch] unexport __mntput()
Coywolf Qi Hunt wrote:
> Hello,
>
> Unexport __mntput() was talked about two months ago. http://lkml.org/lkml/2005/6/9/69
> Modules should not call __mntput() directly. If autofs or nfsd does that, it's
> being wrong.

I think you missed the point in the last discussion. __mntput is called
from mntput(), which autofs and nfsd call. Their use is correct given
what they do:

Autofs 3 and 4 use it for walking the vfsmount tree and determining
if/when a mountpoint is ready to expire.

Nfsd uses it to serve up nfs exports that don't cross mountpoints (or
do, if "crossmnt" is specified in /etc/exports.

Thanks,

Mike Waychison

>
> Coywolf
>
>
> Signed-off-by: Coywolf Qi Hunt <coywolf@sosdg.org>
> --- 2.6.13-rc6/fs/namespace.c~unexport-__mntput 2005-08-12 08:21:22.000000000 -0500
> +++ 2.6.13-rc6/fs/namespace.c 2005-08-14 20:32:01.000000000 -0500
> @@ -180,8 +180,6 @@
> deactivate_super(sb);
> }
>
> -EXPORT_SYMBOL(__mntput);
> -
> /* iterator */
> static void *m_start(struct seq_file *m, loff_t *pos)
> {

-
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