Introduce an inode into the tree
struct dentry * d_materialise_unique(struct dentry * dentry, struct inode * inode);
dentry
candidate dentry
inode
inode to bind to the dentry, to which aliases may be attached
Introduces an dentry into the tree, substituting an extant disconnected root directory alias in its place if there is one. Caller must hold the i_mutex of the parent directory.