NAME
d_real - Return the real dentry
SYNOPSIS
struct dentry * d_real(struct dentry * dentry, const struct inode * inode, unsigned int flags);
ARGUMENTS
dentry
the dentry to query
inode
inode to select the dentry from multiple layers (can be NULL)
flags
open flags to control copy-up behavior
DESCRIPTION
If dentry is on an union/overlay, then return the underlying, real dentry. Otherwise return the dentry itself.
See also: Documentation/filesystems/vfs.txt