centos man page for d_instantiate

D_INSTANTIATE(9)						   The Linux VFS						  D_INSTANTIATE(9)

NAME
       d_instantiate - fill in inode information for a dentry

SYNOPSIS
       void d_instantiate(struct dentry * entry, struct inode * inode);

ARGUMENTS
       entry
	   dentry to complete

       inode
	   inode to attach to this dentry

DESCRIPTION
       Fill in inode information in the entry.

       This turns negative dentries into productive full members of society.

       NOTE! This assumes that the inode count has been incremented (or otherwise set) by the caller to indicate that it is now in use by the
       dcache.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							  D_INSTANTIATE(9)