btrfs-progs: disk-io: Fix read_extent_data() error handler for missing device

[platform/upstream/btrfs-progs.git] / qgroup.h

diff --git a/qgroup.h b/qgroup.h
index bcc2b4b..875fbdf 100644 (file)
--- a/qgroup.h
+++ b/qgroup.h
@@ -16,27 +16,41 @@
  * Boston, MA 021110-1307, USA.
  */
 
-#ifndef _BTRFS_QGROUP_H
-#define _BTRFS_QGROUP_H
+#ifndef __BTRFS_QGROUP_H__
+#define __BTRFS_QGROUP_H__
 
-#include "ioctl.h"
 #include "kerncompat.h"
+#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,
@@ -48,19 +62,34 @@ enum btrfs_qgroup_column_enum {
        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,
 };
 
-u64 btrfs_get_path_rootid(int fd);
-int btrfs_show_qgroups(int fd, struct btrfs_qgroup_filter_set *);
+int btrfs_qgroup_parse_sort_string(const char *opt_arg,
+                               struct btrfs_qgroup_comparer_set **comps);
+int btrfs_show_qgroups(int fd, struct btrfs_qgroup_filter_set *,
+                      struct btrfs_qgroup_comparer_set *);
 void btrfs_qgroup_setup_print_column(enum btrfs_qgroup_column_enum column);
+void btrfs_qgroup_setup_units(unsigned unit_mode);
 struct btrfs_qgroup_filter_set *btrfs_qgroup_alloc_filter_set(void);
-void btrfs_qgroup_free_filter_set(struct btrfs_qgroup_filter_set *filter_set);
 int btrfs_qgroup_setup_filter(struct btrfs_qgroup_filter_set **filter_set,
                              enum btrfs_qgroup_filter_enum, u64 data);
-u64 parse_qgroupid(char *p);
+struct btrfs_qgroup_comparer_set *btrfs_qgroup_alloc_comparer_set(void);
+int btrfs_qgroup_setup_comparer(struct btrfs_qgroup_comparer_set **comp_set,
+                               enum btrfs_qgroup_comp_enum comparer,
+                               int is_descending);
 int qgroup_inherit_size(struct btrfs_qgroup_inherit *p);
 int qgroup_inherit_add_group(struct btrfs_qgroup_inherit **inherit, char *arg);
 int qgroup_inherit_add_copy(struct btrfs_qgroup_inherit **inherit, char *arg,