from_kprojid 54 include/linux/projid.h extern projid_t from_kprojid(struct user_namespace *to, kprojid_t projid); from_kprojid 59 include/linux/projid.h return from_kprojid(ns, projid) != (projid_t)-1; from_kprojid 76 include/linux/projid.h projid_t projid = from_kprojid(to, kprojid);