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

This patch simplifies list operations in find_gc_inode and add_gc_inode.
Just simple code cleanup.

Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
[Jaegeuk Kim: add description]
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 5 insertions, 12 deletions

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 3a9df36491a5..35f9b1a196aa 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -321,28 +321,21 @@ 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);