sysfs: make s_elem an anonymous union

Make s_elem an anonymous union.  Prefixing with s_elem makes things
needlessly longer without any advantage.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c
index 9c8f882..247ea19 100644
--- a/fs/sysfs/bin.c
+++ b/fs/sysfs/bin.c
@@ -30,8 +30,8 @@
 fill_read(struct dentry *dentry, char *buffer, loff_t off, size_t count)
 {
 	struct sysfs_dirent *attr_sd = dentry->d_fsdata;
-	struct bin_attribute *attr = attr_sd->s_elem.bin_attr.bin_attr;
-	struct kobject *kobj = attr_sd->s_parent->s_elem.dir.kobj;
+	struct bin_attribute *attr = attr_sd->s_bin_attr.bin_attr;
+	struct kobject *kobj = attr_sd->s_parent->s_dir.kobj;
 	int rc;
 
 	/* need attr_sd for attr, its parent for kobj */
@@ -87,8 +87,8 @@
 flush_write(struct dentry *dentry, char *buffer, loff_t offset, size_t count)
 {
 	struct sysfs_dirent *attr_sd = dentry->d_fsdata;
-	struct bin_attribute *attr = attr_sd->s_elem.bin_attr.bin_attr;
-	struct kobject *kobj = attr_sd->s_parent->s_elem.dir.kobj;
+	struct bin_attribute *attr = attr_sd->s_bin_attr.bin_attr;
+	struct kobject *kobj = attr_sd->s_parent->s_dir.kobj;
 	int rc;
 
 	/* need attr_sd for attr, its parent for kobj */
@@ -140,8 +140,8 @@
 {
 	struct bin_buffer *bb = file->private_data;
 	struct sysfs_dirent *attr_sd = file->f_path.dentry->d_fsdata;
-	struct bin_attribute *attr = attr_sd->s_elem.bin_attr.bin_attr;
-	struct kobject *kobj = attr_sd->s_parent->s_elem.dir.kobj;
+	struct bin_attribute *attr = attr_sd->s_bin_attr.bin_attr;
+	struct kobject *kobj = attr_sd->s_parent->s_dir.kobj;
 	int rc;
 
 	mutex_lock(&bb->mutex);
@@ -167,7 +167,7 @@
 static int open(struct inode * inode, struct file * file)
 {
 	struct sysfs_dirent *attr_sd = file->f_path.dentry->d_fsdata;
-	struct bin_attribute *attr = attr_sd->s_elem.bin_attr.bin_attr;
+	struct bin_attribute *attr = attr_sd->s_bin_attr.bin_attr;
 	struct bin_buffer *bb = NULL;
 	int error;