Btrfs: hooks for qgroup to record delayed refs
Hooks into qgroup code to record refs and into transaction commit.
This is the main entry point for qgroup. Basically every change in
extent backrefs got accounted to the appropriate qgroups.
Signed-off-by: Arne Jansen <sensille@gmx.net>
Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index d20d2e2..21c768c 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -795,6 +795,13 @@
ret = btrfs_run_dev_stats(trans, root->fs_info);
BUG_ON(ret);
+ ret = btrfs_run_qgroups(trans, root->fs_info);
+ BUG_ON(ret);
+
+ /* run_qgroups might have added some more refs */
+ ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1);
+ BUG_ON(ret);
+
while (!list_empty(&fs_info->dirty_cowonly_roots)) {
next = fs_info->dirty_cowonly_roots.next;
list_del_init(next);