+#include "ioctl.h"
+
+struct btrfs_qgroup;
+
+typedef int (*btrfs_qgroup_filter_func)(struct btrfs_qgroup *, u64);
+typedef int (*btrfs_qgroup_comp_func)(struct btrfs_qgroup *,
+ struct btrfs_qgroup *, int);
+
+
+struct btrfs_qgroup_filter {
+ btrfs_qgroup_filter_func filter_func;
+ u64 data;
+};
+
+struct btrfs_qgroup_comparer {
+ btrfs_qgroup_comp_func comp_func;
+ int is_descending;
+};
+
+struct btrfs_qgroup_filter_set {
+ int total;
+ int nfilters;
+ struct btrfs_qgroup_filter filters[0];
+};
+
+struct btrfs_qgroup_comparer_set {
+ int total;
+ int ncomps;
+ struct btrfs_qgroup_comparer comps[0];
+};
+
+enum btrfs_qgroup_column_enum {
+ BTRFS_QGROUP_QGROUPID,
+ BTRFS_QGROUP_RFER,
+ BTRFS_QGROUP_EXCL,
+ BTRFS_QGROUP_MAX_RFER,
+ BTRFS_QGROUP_MAX_EXCL,
+ BTRFS_QGROUP_PARENT,
+ BTRFS_QGROUP_CHILD,
+ BTRFS_QGROUP_ALL,
+};
+
+enum btrfs_qgroup_comp_enum {
+ BTRFS_QGROUP_COMP_QGROUPID,
+ BTRFS_QGROUP_COMP_RFER,
+ BTRFS_QGROUP_COMP_EXCL,
+ BTRFS_QGROUP_COMP_MAX_RFER,
+ BTRFS_QGROUP_COMP_MAX_EXCL,
+ BTRFS_QGROUP_COMP_MAX
+};
+
+enum btrfs_qgroup_filter_enum {
+ BTRFS_QGROUP_FILTER_PARENT,
+ BTRFS_QGROUP_FILTER_ALL_PARENT,
+ BTRFS_QGROUP_FILTER_MAX,
+};