[PATCH]btrfs: Remove a extra condition

[liu weni]

This patch remove a extra condition.
In this place, the outer is if (!cur || !uptodate)
and then, there are 2 ways: !cur or ! uptodate.
The "else if (!uptodate)" is not necessary.
I think "else" is better.

---
Signed-off-by: Liuwenyi <qingshenlwy@xxxxxxxxx>

---
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index c4bc570..654f702 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -679,7 +679,7 @@ int btrfs_realloc_node(struct btrfs_trans_handle *trans,
 			if (!cur) {
 				cur = read_tree_block(root, blocknr,
 							 blocksize, gen);
-			} else if (!uptodate) {
+			} else {
 				btrfs_read_buffer(cur, gen);
 			}
 		}
---

Best Regards,
Liuwenyi
20100107
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