D_LOOKUP(9) The Linux VFS D_LOOKUP(9)NAME
d_lookup - search for a dentry
SYNOPSIS
struct dentry * d_lookup(struct dentry * parent, struct qstr * name);
ARGUMENTS
parent
parent dentry
name
qstr of name we wish to find
RETURNS
dentry, or NULL
d_lookup searches the children of the parent dentry for the name in
question. If the dentry is found its reference count is incremented and
the dentry is returned. The caller must use dput to free the entry when
it has finished using it. NULL is returned if the dentry does not
exist.
COPYRIGHTKernel Hackers Manual 3.8. June 2014 D_LOOKUP(9)