Ian Kent:
> +static vfsmount *autofs4_find_vfsmount(struct path *parent, struct dentry *root)
> +{
> + struct vfsmount *mnt = NULL;
> + struct dentry *child;
> +
> + spin_lock(&dcache_lock);
> + list_for_each_entry(child, &dentry->d_subdirs, d_u.d_child) {
dentry->d_subdirs?
parent->dentry->...?
Or how about iterate_mounts() instead of loop over dentries?
For example (just a example),
struct args {
/* input */
struct dentry *root;
/* output */
struct vfsmount *mnt;
};
static int compare_mnt(struct vfsmount *mnt, void *arg)
{
struct args *a = arg;
if (mnt->mnt_root != a->root)
return 0;
a->mnt = mntget(mnt);
return 1;
}
struct vfsmount *autofs4_find_vfsmount(struct dentry *root)
{
int err;
struct args args = {
.root = root
};
err = iterate_mounts(compare_mnt, &args, current->nsproxy->mnt_ns);
}
J. R. Okajima
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