15 #define ucounts_hashfn(ns, uid)						\  argument
16 	hash_long((unsigned long)__kuid_val(uid) + (unsigned long)(ns), \
18 #define ucounts_hashentry(ns, uid)	\  argument
19 	(ucounts_hashtable + ucounts_hashfn(ns, uid))
43 		mode = (table->mode & S_IRWXU) >> 6;  in set_permissions()
47 	return (mode << 6) | (mode << 3) | mode;  in set_permissions()
81 bool setup_userns_sysctls(struct user_namespace *ns)  in setup_userns_sysctls()  argument
87 	setup_sysctl_set(&ns->set, &set_root, set_is_seen);  in setup_userns_sysctls()
92 			tbl[i].data = &ns->ucount_max[i];  in setup_userns_sysctls()
94 		ns->sysctls = __register_sysctl_table(&ns->set, "user", tbl);  in setup_userns_sysctls()
96 	if (!ns->sysctls) {  in setup_userns_sysctls()
98 		retire_sysctl_set(&ns->set);  in setup_userns_sysctls()
105 void retire_userns_sysctls(struct user_namespace *ns)  in retire_userns_sysctls()  argument
110 	tbl = ns->sysctls->ctl_table_arg;  in retire_userns_sysctls()
111 	unregister_sysctl_table(ns->sysctls);  in retire_userns_sysctls()
112 	retire_sysctl_set(&ns->set);  in retire_userns_sysctls()
117 static struct ucounts *find_ucounts(struct user_namespace *ns, kuid_t uid, struct hlist_head *hashe…  in find_ucounts()  argument
122 		if (uid_eq(ucounts->uid, uid) && (ucounts->ns == ns))  in find_ucounts()
128 static struct ucounts *get_ucounts(struct user_namespace *ns, kuid_t uid)  in get_ucounts()  argument
130 	struct hlist_head *hashent = ucounts_hashentry(ns, uid);  in get_ucounts()
134 	ucounts = find_ucounts(ns, uid, hashent);  in get_ucounts()
142 		new->ns = ns;  in get_ucounts()
147 		ucounts = find_ucounts(ns, uid, hashent);  in get_ucounts()
192 struct ucounts *inc_ucount(struct user_namespace *ns, kuid_t uid,  in inc_ucount()  argument
197 	ucounts = get_ucounts(ns, uid);  in inc_ucount()
200 		tns = iter->ns;  in inc_ucount()
208 	for (iter = ucounts; iter != bad; iter = iter->ns->ucounts)  in inc_ucount()
218 	for (iter = ucounts; iter; iter = iter->ns->ucounts) {  in dec_ucount()