d_alloc_anon
EXPORT_SYMBOL(d_alloc_anon);
struct dentry *dentry = d_alloc_anon(parent->d_sb);
res = d_alloc_anon(root_inode->i_sb);
new = d_alloc_anon(sb);
dentry = d_alloc_anon(sb);
extern struct dentry * d_alloc_anon(struct super_block *);