d_real (9) Linux Manual Page
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