Btrfs: add qgroup inheritance

When creating a subvolume or snapshot, it is necessary
to initialize the qgroup account with a copy of some
other (tracking) qgroup. This patch adds parameters
to the ioctls to pass the information from which qgroup
to inherit.

Signed-off-by: Arne Jansen <sensille@gmx.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index 2759e0572c5c..cca315dcdfcd 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -73,6 +73,7 @@ struct btrfs_pending_snapshot {
         struct dentry *dentry;
         struct btrfs_root *root;
         struct btrfs_root *snap;
+        struct btrfs_qgroup_inherit *inherit;
         /* block reservation for the operation */
         struct btrfs_block_rsv block_rsv;
         /* extra metadata reseration for relocation */