Re: [2.4.19] How to get the path name of a struct dentry

From: Christoph Hellwig (hch@infradead.org)
Date: Wed Mar 12 2003 - 08:59:54 EST


On Wed, Mar 12, 2003 at 02:32:47PM +0100, Torsten Foertsch wrote:
>
> char*
> full_d_path( struct dentry *dentry,
> struct vfsmount *vfsmnt,
> char *buf, int buflen ) {
> char *res;
> struct vfsmount *rootmnt;
> struct dentry *root;
> struct namespace *ns;
>
> ns=current->namespace;
> /* get_namespace( ns ); */

you want to keep this.

> rootmnt=mntget( ns->root );
> /* put_namespace( ns ); */

do the put once you're completly done with it

>
> root = dget(rootmnt->mnt_root);
>
> spin_lock(&dcache_lock);
> res = __d_path(dentry, vfsmnt, root, rootmnt, buf, buflen);
> spin_unlock(&dcache_lock);
>
> dput(root);
> mntput(rootmnt);
> return res;

looks okay to me otherwise.

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