d_backing_dentry (9) Linux Manual Page
d_backing_dentry – Get upper or lower dentry we should be using
Synopsis
struct dentry *d_backing_dentry(struct dentry *upper);Arguments
upper
-
- The upper layer
Description
This is the helper that should be used to get the dentry of the inode that will be used if this dentry were opened as a file. It may be the upper dentry or it may be a lower dentry pinned by the upper.
Normal filesystems should not use this to access their own dentries.