From: Li Zefan <lizf@cn.fujitsu.com>
Date: Thu, 14 Jul 2011 03:17:14 +0000 (+0000)
Subject: Btrfs: remove a BUG_ON() in btrfs_commit_transaction()
X-Git-Tag: upstream/snapshot3+hdmi~8981^2~43
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b9c8300c2ac354d850159f301d5b3ead13854cdd;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

Btrfs: remove a BUG_ON() in btrfs_commit_transaction()

wait_for_commit() always returns 0.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index ff5549f..7dc36fa 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -351,11 +351,10 @@ struct btrfs_trans_handle *btrfs_start_ioctl_transaction(struct btrfs_root *root
 }
 
 /* wait for a transaction commit to be fully complete */
-static noinline int wait_for_commit(struct btrfs_root *root,
+static noinline void wait_for_commit(struct btrfs_root *root,
 				    struct btrfs_transaction *commit)
 {
 	wait_event(commit->commit_wait, commit->commit_done);
-	return 0;
 }
 
 int btrfs_wait_for_commit(struct btrfs_root *root, u64 transid)
@@ -1189,8 +1188,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
 		atomic_inc(&cur_trans->use_count);
 		btrfs_end_transaction(trans, root);
 
-		ret = wait_for_commit(root, cur_trans);
-		BUG_ON(ret);
+		wait_for_commit(root, cur_trans);
 
 		put_transaction(cur_trans);