D_ALLOC_ROOT(9) The Linux VFS D_ALLOC_ROOT(9)NAMEd_alloc_root - allocate root dentry
struct dentry * d_alloc_root(struct inode * root_inode);
inode to allocate the root for
Allocate a root (“/”) dentry for the inode given. The inode is
instantiated and returned. NULL is returned if there is insufficient
memory or the inode passed is NULL.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 D_ALLOC_ROOT(9)