diff --git a/arch/mips/txx9/generic/7segled.c b/arch/mips/txx9/generic/7segled.c
index 727ab21b6618..7f8416f86222 100644
--- a/arch/mips/txx9/generic/7segled.c
+++ b/arch/mips/txx9/generic/7segled.c
@@ -58,13 +58,16 @@ static ssize_t raw_store(struct sys_device *dev,
 static SYSDEV_ATTR(ascii, 0200, NULL, ascii_store);
 static SYSDEV_ATTR(raw, 0200, NULL, raw_store);
 
-static ssize_t map_seg7_show(struct sysdev_class *class, char *buf)
+static ssize_t map_seg7_show(struct sysdev_class *class,
+			     struct sysdev_class_attribute *attr,
+			     char *buf)
 {
 	memcpy(buf, &txx9_seg7map, sizeof(txx9_seg7map));
 	return sizeof(txx9_seg7map);
 }
 
 static ssize_t map_seg7_store(struct sysdev_class *class,
+			      struct sysdev_class_attribute *attr,
 			      const char *buf, size_t size)
 {
 	if (size != sizeof(txx9_seg7map))
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 8b10127c00ad..e2121099f03b 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -1020,7 +1020,9 @@ out:
 	return rc;
 }
 
-static ssize_t __ref rescan_store(struct sysdev_class *class, const char *buf,
+static ssize_t __ref rescan_store(struct sysdev_class *class,
+				  struct sysdev_class_attribute *attr,
+				  const char *buf,
 				  size_t count)
 {
 	int rc;
@@ -1041,7 +1043,9 @@ static ssize_t dispatching_show(struct sysdev_class *class, char *buf)
 	return count;
 }
 
-static ssize_t dispatching_store(struct sysdev_class *dev, const char *buf,
+static ssize_t dispatching_store(struct sysdev_class *dev,
+				 struct sysdev_class_attribute *attr,
+				 const char *buf,
 				 size_t count)
 {
 	int val, rc;
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index a8f93f1705ad..75894c281710 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -1116,14 +1116,18 @@ static struct sys_device etr_port1_dev = {
 /*
  * ETR class attributes
  */
-static ssize_t etr_stepping_port_show(struct sysdev_class *class, char *buf)
+static ssize_t etr_stepping_port_show(struct sysdev_class *class,
+					struct sysdev_class_attribute *attr,
+					char *buf)
 {
 	return sprintf(buf, "%i\n", etr_port0.esw.p);
 }
 
 static SYSDEV_CLASS_ATTR(stepping_port, 0400, etr_stepping_port_show, NULL);
 
-static ssize_t etr_stepping_mode_show(struct sysdev_class *class, char *buf)
+static ssize_t etr_stepping_mode_show(struct sysdev_class *class,
+				      	struct sysdev_class_attribute *attr,
+					char *buf)
 {
 	char *mode_str;
 
@@ -1584,7 +1588,9 @@ static struct sysdev_class stp_sysclass = {
 	.name	= "stp",
 };
 
-static ssize_t stp_ctn_id_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_ctn_id_show(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
+				char *buf)
 {
 	if (!stp_online)
 		return -ENODATA;
@@ -1594,7 +1600,9 @@ static ssize_t stp_ctn_id_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(ctn_id, 0400, stp_ctn_id_show, NULL);
 
-static ssize_t stp_ctn_type_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_ctn_type_show(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
+				char *buf)
 {
 	if (!stp_online)
 		return -ENODATA;
@@ -1603,7 +1611,9 @@ static ssize_t stp_ctn_type_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(ctn_type, 0400, stp_ctn_type_show, NULL);
 
-static ssize_t stp_dst_offset_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_dst_offset_show(struct sysdev_class *class,
+				   struct sysdev_class_attribute *attr,
+				   char *buf)
 {
 	if (!stp_online || !(stp_info.vbits & 0x2000))
 		return -ENODATA;
@@ -1612,7 +1622,9 @@ static ssize_t stp_dst_offset_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(dst_offset, 0400, stp_dst_offset_show, NULL);
 
-static ssize_t stp_leap_seconds_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_leap_seconds_show(struct sysdev_class *class,
+					struct sysdev_class_attribute *attr,
+					char *buf)
 {
 	if (!stp_online || !(stp_info.vbits & 0x8000))
 		return -ENODATA;
@@ -1621,7 +1633,9 @@ static ssize_t stp_leap_seconds_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(leap_seconds, 0400, stp_leap_seconds_show, NULL);
 
-static ssize_t stp_stratum_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_stratum_show(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
+				char *buf)
 {
 	if (!stp_online)
 		return -ENODATA;
@@ -1630,7 +1644,9 @@ static ssize_t stp_stratum_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(stratum, 0400, stp_stratum_show, NULL);
 
-static ssize_t stp_time_offset_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_time_offset_show(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
+				char *buf)
 {
 	if (!stp_online || !(stp_info.vbits & 0x0800))
 		return -ENODATA;
@@ -1639,7 +1655,9 @@ static ssize_t stp_time_offset_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(time_offset, 0400, stp_time_offset_show, NULL);
 
-static ssize_t stp_time_zone_offset_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_time_zone_offset_show(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
+				char *buf)
 {
 	if (!stp_online || !(stp_info.vbits & 0x4000))
 		return -ENODATA;
@@ -1649,7 +1667,9 @@ static ssize_t stp_time_zone_offset_show(struct sysdev_class *class, char *buf)
 static SYSDEV_CLASS_ATTR(time_zone_offset, 0400,
 			 stp_time_zone_offset_show, NULL);
 
-static ssize_t stp_timing_mode_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_timing_mode_show(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
+				char *buf)
 {
 	if (!stp_online)
 		return -ENODATA;
@@ -1658,7 +1678,9 @@ static ssize_t stp_timing_mode_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(timing_mode, 0400, stp_timing_mode_show, NULL);
 
-static ssize_t stp_timing_state_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_timing_state_show(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
+				char *buf)
 {
 	if (!stp_online)
 		return -ENODATA;
@@ -1667,12 +1689,15 @@ static ssize_t stp_timing_state_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(timing_state, 0400, stp_timing_state_show, NULL);
 
-static ssize_t stp_online_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_online_show(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
+				char *buf)
 {
 	return sprintf(buf, "%i\n", stp_online);
 }
 
 static ssize_t stp_online_store(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
 				const char *buf, size_t count)
 {
 	unsigned int value;
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 958bd1540c30..fd1b2f9b7b8f 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -151,7 +151,8 @@ static ssize_t print_cpus_map(char *buf, const struct cpumask *map)
 }
 
 #define	print_cpus_func(type) \
-static ssize_t print_cpus_##type(struct sysdev_class *class, char *buf)	\
+static ssize_t print_cpus_##type(struct sysdev_class *class, 		\
+	 		struct sysdev_class_attribute *attr, char *buf)	\
 {									\
 	return print_cpus_map(buf, cpu_##type##_mask);			\
 }									\
@@ -165,7 +166,8 @@ print_cpus_func(present);
 /*
  * Print values for NR_CPUS and offlined cpus
  */
-static ssize_t print_cpus_kernel_max(struct sysdev_class *class, char *buf)
+static ssize_t print_cpus_kernel_max(struct sysdev_class *class,
+				     struct sysdev_class_attribute *attr, char *buf)
 {
 	int n = snprintf(buf, PAGE_SIZE-2, "%d\n", NR_CPUS - 1);
 	return n;
@@ -175,7 +177,8 @@ static SYSDEV_CLASS_ATTR(kernel_max, 0444, print_cpus_kernel_max, NULL);
 /* arch-optional setting to enable display of offline cpus >= nr_cpu_ids */
 unsigned int total_cpus;
 
-static ssize_t print_cpus_offline(struct sysdev_class *class, char *buf)
+static ssize_t print_cpus_offline(struct sysdev_class *class,
+				  struct sysdev_class_attribute *attr, char *buf)
 {
 	int n = 0, len = PAGE_SIZE-2;
 	cpumask_var_t offline;
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 70122791683d..85c9d30d7004 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -544,23 +544,29 @@ static ssize_t print_nodes_state(enum node_states state, char *buf)
 	return n;
 }
 
-static ssize_t print_nodes_possible(struct sysdev_class *class, char *buf)
+static ssize_t print_nodes_possible(struct sysdev_class *class,
+				    struct sysdev_class_attribute *attr, char *buf)
 {
 	return print_nodes_state(N_POSSIBLE, buf);
 }
 
-static ssize_t print_nodes_online(struct sysdev_class *class, char *buf)
+static ssize_t print_nodes_online(struct sysdev_class *class,
+				  struct sysdev_class_attribute *attr,
+				  char *buf)
 {
 	return print_nodes_state(N_ONLINE, buf);
 }
 
 static ssize_t print_nodes_has_normal_memory(struct sysdev_class *class,
-						char *buf)
+					     struct sysdev_class_attribute *attr,
+					     char *buf)
 {
 	return print_nodes_state(N_NORMAL_MEMORY, buf);
 }
 
-static ssize_t print_nodes_has_cpu(struct sysdev_class *class, char *buf)
+static ssize_t print_nodes_has_cpu(struct sysdev_class *class,
+				   struct sysdev_class_attribute *attr,
+				   char *buf)
 {
 	return print_nodes_state(N_CPU, buf);
 }
@@ -573,7 +579,8 @@ static SYSDEV_CLASS_ATTR(has_cpu, 0444, print_nodes_has_cpu, NULL);
 
 #ifdef CONFIG_HIGHMEM
 static ssize_t print_nodes_has_high_memory(struct sysdev_class *class,
-						 char *buf)
+					   struct sysdev_class_attribute *attr,
+					   char *buf)
 {
 	return print_nodes_state(N_HIGH_MEMORY, buf);
 }
diff --git a/drivers/base/sys.c b/drivers/base/sys.c
index 0d903909af7e..a38445c0f8c5 100644
--- a/drivers/base/sys.c
+++ b/drivers/base/sys.c
@@ -89,7 +89,7 @@ static ssize_t sysdev_class_show(struct kobject *kobj, struct attribute *attr,
 	struct sysdev_class_attribute *class_attr = to_sysdev_class_attr(attr);
 
 	if (class_attr->show)
-		return class_attr->show(class, buffer);
+		return class_attr->show(class, class_attr, buffer);
 	return -EIO;
 }
 
@@ -100,7 +100,7 @@ static ssize_t sysdev_class_store(struct kobject *kobj, struct attribute *attr,
 	struct sysdev_class_attribute *class_attr = to_sysdev_class_attr(attr);
 
 	if (class_attr->store)
-		return class_attr->store(class, buffer, count);
+		return class_attr->store(class, class_attr, buffer, count);
 	return -EIO;
 }
 
diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c
index 97b003839fb6..c9cefacabf37 100644
--- a/drivers/cpuidle/sysfs.c
+++ b/drivers/cpuidle/sysfs.c
@@ -22,6 +22,7 @@ static int __init cpuidle_sysfs_setup(char *unused)
 __setup("cpuidle_sysfs_switch", cpuidle_sysfs_setup);
 
 static ssize_t show_available_governors(struct sysdev_class *class,
+					struct sysdev_class_attribute *attr,
 					char *buf)
 {
 	ssize_t i = 0;
@@ -41,6 +42,7 @@ out:
 }
 
 static ssize_t show_current_driver(struct sysdev_class *class,
+				   struct sysdev_class_attribute *attr,
 				   char *buf)
 {
 	ssize_t ret;
@@ -56,6 +58,7 @@ static ssize_t show_current_driver(struct sysdev_class *class,
 }
 
 static ssize_t show_current_governor(struct sysdev_class *class,
+				     struct sysdev_class_attribute *attr,
 				     char *buf)
 {
 	ssize_t ret;
@@ -71,6 +74,7 @@ static ssize_t show_current_governor(struct sysdev_class *class,
 }
 
 static ssize_t store_current_governor(struct sysdev_class *class,
+				      struct sysdev_class_attribute *attr,
 				      const char *buf, size_t count)
 {
 	char gov_name[CPUIDLE_NAME_LEN];
diff --git a/include/linux/sysdev.h b/include/linux/sysdev.h
index f395bb3fa2f2..c2458fa8376c 100644
--- a/include/linux/sysdev.h
+++ b/include/linux/sysdev.h
@@ -41,8 +41,10 @@ struct sysdev_class {
 
 struct sysdev_class_attribute {
 	struct attribute attr;
-	ssize_t (*show)(struct sysdev_class *, char *);
-	ssize_t (*store)(struct sysdev_class *, const char *, size_t);
+	ssize_t (*show)(struct sysdev_class *, struct sysdev_class_attribute *,
+			char *);
+	ssize_t (*store)(struct sysdev_class *, struct sysdev_class_attribute *,
+			 const char *, size_t);
 };
 
 #define _SYSDEV_CLASS_ATTR(_name,_mode,_show,_store) 		\
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 8e352c756ba7..f40560b86544 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -5481,13 +5481,16 @@ void __init perf_event_init(void)
 	register_cpu_notifier(&perf_cpu_nb);
 }
 
-static ssize_t perf_show_reserve_percpu(struct sysdev_class *class, char *buf)
+static ssize_t perf_show_reserve_percpu(struct sysdev_class *class,
+					struct sysdev_class_attribute *attr,
+					char *buf)
 {
 	return sprintf(buf, "%d\n", perf_reserved_percpu);
 }
 
 static ssize_t
 perf_set_reserve_percpu(struct sysdev_class *class,
+			struct sysdev_class_attribute *attr,
 			const char *buf,
 			size_t count)
 {
@@ -5516,13 +5519,17 @@ perf_set_reserve_percpu(struct sysdev_class *class,
 	return count;
 }
 
-static ssize_t perf_show_overcommit(struct sysdev_class *class, char *buf)
+static ssize_t perf_show_overcommit(struct sysdev_class *class,
+				    struct sysdev_class_attribute *attr,
+				    char *buf)
 {
 	return sprintf(buf, "%d\n", perf_overcommit);
 }
 
 static ssize_t
-perf_set_overcommit(struct sysdev_class *class, const char *buf, size_t count)
+perf_set_overcommit(struct sysdev_class *class,
+		    struct sysdev_class_attribute *attr,
+		    const char *buf, size_t count)
 {
 	unsigned long val;
 	int err;
diff --git a/kernel/sched.c b/kernel/sched.c
index b47ceeec1a91..150b6988de49 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -7406,11 +7406,13 @@ static ssize_t sched_power_savings_store(const char *buf, size_t count, int smt)
 
 #ifdef CONFIG_SCHED_MC
 static ssize_t sched_mc_power_savings_show(struct sysdev_class *class,
+					   struct sysdev_class_attribute *attr,
 					   char *page)
 {
 	return sprintf(page, "%u\n", sched_mc_power_savings);
 }
 static ssize_t sched_mc_power_savings_store(struct sysdev_class *class,
+					    struct sysdev_class_attribute *attr,
 					    const char *buf, size_t count)
 {
 	return sched_power_savings_store(buf, count, 0);
@@ -7422,11 +7424,13 @@ static SYSDEV_CLASS_ATTR(sched_mc_power_savings, 0644,
 
 #ifdef CONFIG_SCHED_SMT
 static ssize_t sched_smt_power_savings_show(struct sysdev_class *dev,
+					    struct sysdev_class_attribute *attr,
 					    char *page)
 {
 	return sprintf(page, "%u\n", sched_smt_power_savings);
 }
 static ssize_t sched_smt_power_savings_store(struct sysdev_class *dev,
+					     struct sysdev_class_attribute *attr,
 					     const char *buf, size_t count)
 {
 	return sched_power_savings_store(buf, count, 1);