d_really_is_positive — Determine if a dentry is really positive (ignoring fallthroughs)
|const struct dentry * dentry|
Returns true if the dentry represents a name that maps to an inode (ie. ->d_inode is not NULL). The dentry might still represent a whiteout if that is represented on medium as a 0,0 chardev.
Note! (1) This should be used *only* by a filesystem to examine its own
dentries. It should not be used to look at some other filesystem's
dentries. (2) It should also be used in combination with
d_inode to get