linux-kernel - [PATCH] fs/f2fs: Code cleanup and simplify in func {find/add}_gc

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Date:	Thu, 20 Jun 2013 17:52:39 +0800
From:	Gu Zheng <guz.fnst@...fujitsu.com>
To:	jaegeuk.kim@...sung.com
CC:	linux-f2fs-devel@...ts.sourceforge.net,
	linux-kernel <linux-kernel@...r.kernel.org>,
	guz.fnst@...fujitsu.com
Subject: [PATCH] fs/f2fs: Code cleanup and simplify in func {find/add}_gc_inode


Signed-off-by: Gu Zheng <guz.fnst@...fujitsu.com>
---
 fs/f2fs/gc.c |   17 +++++------------
 1 files changed, 5 insertions(+), 12 deletions(-)

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 1496159..0b8b439 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -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);
-- 
1.7.7
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