23 static int check_quotactl_permission(struct super_block *sb, int type, int cmd,  in check_quotactl_permission()  argument
26 	switch (cmd) {  in check_quotactl_permission()
47 	return security_quotactl(cmd, type, id, sb);  in check_quotactl_permission()
684 static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id,  in do_quotactl()  argument
701 	ret = check_quotactl_permission(sb, type, cmd, id);  in do_quotactl()
705 	switch (cmd) {  in do_quotactl()
755 static int quotactl_cmd_write(int cmd)  in quotactl_cmd_write()  argument
762 	switch (cmd) {  in quotactl_cmd_write()
778 static bool quotactl_cmd_onoff(int cmd)  in quotactl_cmd_onoff()  argument
780 	return (cmd == Q_QUOTAON) || (cmd == Q_QUOTAOFF) ||  in quotactl_cmd_onoff()
781 		 (cmd == Q_XQUOTAON) || (cmd == Q_XQUOTAOFF);  in quotactl_cmd_onoff()
788 static struct super_block *quotactl_block(const char __user *special, int cmd)  in quotactl_block()  argument
801 	if (quotactl_cmd_onoff(cmd))  in quotactl_block()
803 	else if (quotactl_cmd_write(cmd))  in quotactl_block()
823 int kernel_quotactl(unsigned int cmd, const char __user *special,  in kernel_quotactl()  argument
831 	cmds = cmd >> SUBCMDSHIFT;  in kernel_quotactl()
832 	type = cmd & SUBCMDMASK;  in kernel_quotactl()
876 SYSCALL_DEFINE4(quotactl, unsigned int, cmd, const char __user *, special,  in SYSCALL_DEFINE4()  argument
879 	return kernel_quotactl(cmd, special, id, addr);  in SYSCALL_DEFINE4()