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>

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index c1ce664c0c39e47e7e39e9dac0d8dddeeab38822..955204ca04470dd5da2366efaf9917afec56fc57 100644 (file)
--- 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)