D_ALLOC(9) The Linux VFS D_ALLOC(9)
NAME d_alloc - allocate a dcache entry
SYNOPSIS struct dentry * d_alloc(struct dentry * parent, const struct qstr * name);
ARGUMENTS parent parent of entry to allocate
name qstr of the name
DESCRIPTION Allocates a dentry. It returns NULL if there is insufficient memory available. On a success the dentry is returned. The name passed in is copied and the copy passed in may be reused after this call.
COPYRIGHT Kernel Hackers Manual 2.6. July 2015 D_ALLOC(9)