Btrfs: fix missing release of qgroup reservation in commit_transaction()

We forget to free qgroup reservation in commit_transaction(),fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Cc: Arne Jansen <sensille@gmx.net>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index c1ce664c0c39..955204ca0447 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1553,6 +1553,10 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
 
         btrfs_trans_release_metadata(trans, root);
         trans->block_rsv = NULL;
+        if (trans->qgroup_reserved) {
+                btrfs_qgroup_free(root, trans->qgroup_reserved);
+                trans->qgroup_reserved = 0;
+        }
 
         cur_trans = trans->transaction;
 
@@ -1833,6 +1837,10 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
 cleanup_transaction:
         btrfs_trans_release_metadata(trans, root);
         trans->block_rsv = NULL;
+        if (trans->qgroup_reserved) {
+                btrfs_qgroup_free(root, trans->qgroup_reserved);
+                trans->qgroup_reserved = 0;
+        }
         btrfs_printk(root->fs_info, "Skipping commit of aborted transaction.\n");
 //      WARN_ON(1);
         if (current->journal_info == trans)