btrfs: ensure releasing squota reserve on head refs

[linux-2.6-microblaze.git] / fs / btrfs / qgroup.c

diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index daec903..e46774e 100644 (file)
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -4661,6 +4661,17 @@ void btrfs_qgroup_destroy_extent_records(struct btrfs_transaction *trans)
        *root = RB_ROOT;
 }
 
+void btrfs_free_squota_rsv(struct btrfs_fs_info *fs_info, u64 root, u64 rsv_bytes)
+{
+       if (btrfs_qgroup_mode(fs_info) != BTRFS_QGROUP_MODE_SIMPLE)
+               return;
+
+       if (!is_fstree(root))
+               return;
+
+       btrfs_qgroup_free_refroot(fs_info, root, rsv_bytes, BTRFS_QGROUP_RSV_DATA);
+}
+
 int btrfs_record_squota_delta(struct btrfs_fs_info *fs_info,
                              struct btrfs_squota_delta *delta)
 {
@@ -4705,8 +4716,5 @@ int btrfs_record_squota_delta(struct btrfs_fs_info *fs_info,
 
 out:
        spin_unlock(&fs_info->qgroup_lock);
-       if (!ret && delta->rsv_bytes)
-               btrfs_qgroup_free_refroot(fs_info, root, delta->rsv_bytes,
-                                         BTRFS_QGROUP_RSV_DATA);
        return ret;
 }