sysfs: separate out sysfs_attach_dentry()

Consolidate sd <-> dentry association into sysfs_attach_dentry() and
call it after dentry and inode are properly set up.  This is in
preparation of sysfs_drop_dentry() updates.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index d9ccc83..88857a3 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -156,13 +156,13 @@
 	return inode;
 }
 
-int sysfs_create(struct dentry * dentry, int mode, int (*init)(struct inode *))
+int sysfs_create(struct sysfs_dirent *sd, struct dentry *dentry, int mode,
+		 int (*init)(struct inode *))
 {
 	int error = 0;
 	struct inode * inode = NULL;
 	if (dentry) {
 		if (!dentry->d_inode) {
-			struct sysfs_dirent * sd = dentry->d_fsdata;
 			if ((inode = sysfs_new_inode(mode, sd))) {
 				if (dentry->d_parent && dentry->d_parent->d_inode) {
 					struct inode *p_inode = dentry->d_parent->d_inode;