From: Miao Xie <miaox@cn.fujitsu.com>
Date: Thu, 15 Nov 2012 08:14:11 +0000 (+0000)
Subject: Btrfs: cleanup unnecessary clear when freeing a transaction or a trans handle
X-Git-Tag: v3.12-rc1~1062^2~57^2~77
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7b5a1c5310a50abc96c9ca07039688027d0a4282;p=kernel%2Fkernel-generic.git

Btrfs: cleanup unnecessary clear when freeing a transaction or a trans handle

We clear the transaction object and the trans handle when they are about to be
freed, it is unnecessary, cleanup it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
---

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index fc03aa6..a1455f1 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -40,7 +40,6 @@ void put_transaction(struct btrfs_transaction *transaction)
 	if (atomic_dec_and_test(&transaction->use_count)) {
 		BUG_ON(!list_empty(&transaction->list));
 		WARN_ON(transaction->delayed_refs.root.rb_node);
-		memset(transaction, 0, sizeof(*transaction));
 		kmem_cache_free(btrfs_transaction_cachep, transaction);
 	}
 }
@@ -650,7 +649,6 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans,
 	}
 	assert_qgroups_uptodate(trans);
 
-	memset(trans, 0, sizeof(*trans));
 	kmem_cache_free(btrfs_trans_handle_cachep, trans);
 	return err;
 }