fs/f2fs: Code cleanup and simplify in func {find/add}_gc_inode

index 1496159..0b8b439 100644
@@ -314,28 +314,21 @@ static const struct victim_selection default_v_ops = {
 
 static struct inode *find_gc_inode(nid_t ino, struct list_head *ilist)
 {
-       struct list_head *this;
        struct inode_entry *ie;
 
-       list_for_each(this, ilist) {
-               ie = list_entry(this, struct inode_entry, list);
+       list_for_each_entry(ie, ilist, list)
                if (ie->inode->i_ino == ino)
                        return ie->inode;
-       }
        return NULL;
 }
 
 static void add_gc_inode(struct inode *inode, struct list_head *ilist)
 {
-       struct list_head *this;
-       struct inode_entry *new_ie, *ie;
+       struct inode_entry *new_ie;
 
-       list_for_each(this, ilist) {
-               ie = list_entry(this, struct inode_entry, list);
-               if (ie->inode == inode) {
-                       iput(inode);
-                       return;
-               }
+       if (inode == find_gc_inode(inode->i_ino, ilist)) {
+               iput(inode);
+               return;
        }
 repeat:
        new_ie = kmem_cache_alloc(winode_slab, GFP_NOFS);