From: Josef Bacik <josef@redhat.com>
Date: Thu, 9 Jun 2011 14:15:17 +0000 (-0400)
Subject: Btrfs: unlock the trans lock properly
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=3473f3c06a36865ae05993041fff35ee928342a7;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git

Btrfs: unlock the trans lock properly

In btrfs_wait_for_commit if we came upon a transaction that had committed we
just exited, but that's bad since we are holding the trans_lock.  So break
instead so that the lock is dropped.  Thanks,

Reported-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <josef@redhat.com>
---

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index dd719662340e..6b2e4786d189 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -349,7 +349,7 @@ int btrfs_wait_for_commit(struct btrfs_root *root, u64 transid)
 					    list) {
 			if (t->in_commit) {
 				if (t->commit_done)
-					goto out;
+					break;
 				cur_trans = t;
 				atomic_inc(&cur_trans->use_count);
 				break;