From: Filipe David Borba Manana <fdmanana@gmail.com>
Date: Mon, 7 Oct 2013 20:20:44 +0000 (+0100)
Subject: Btrfs: remove unnecessary key copy when logging inode
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=efd0c4055a26e88689b3c0cf95492dfe147cba67;p=openwrt%2Fstaging%2Fblogic.git

Btrfs: remove unnecessary key copy when logging inode

The btrfs_insert_empty_item() function doesn't modify its
key argument.

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Reviewed-by: Zach Brown <zab@redhat.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
---

diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 1134aa40b6d1..f2e0531dc719 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -3170,11 +3170,10 @@ static int log_inode_item(struct btrfs_trans_handle *trans,
 			  struct inode *inode)
 {
 	struct btrfs_inode_item *inode_item;
-	struct btrfs_key key;
 	int ret;
 
-	memcpy(&key, &BTRFS_I(inode)->location, sizeof(key));
-	ret = btrfs_insert_empty_item(trans, log, path, &key,
+	ret = btrfs_insert_empty_item(trans, log, path,
+				      &BTRFS_I(inode)->location,
 				      sizeof(*inode_item));
 	if (ret && ret != -EEXIST)
 		return ret;