2 * Copyright (C) 2012 FUJITSU LIMITED. All rights reserved.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public
6 * License v2 as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public
14 * License along with this program; if not, write to the
15 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
16 * Boston, MA 021110-1307, USA.
19 #ifndef __BTRFS_LIST_H__
20 #define __BTRFS_LIST_H__
22 #if BTRFS_FLAT_INCLUDES
23 #include "kerncompat.h"
27 #include <btrfs/kerncompat.h>
28 #include <btrfs/rbtree.h>
29 #include <btrfs/ioctl.h>
30 #endif /* BTRFS_FLAT_INCLUDES */
34 #define BTRFS_LIST_LAYOUT_DEFAULT 0
35 #define BTRFS_LIST_LAYOUT_TABLE 1
36 #define BTRFS_LIST_LAYOUT_RAW 2
39 * one of these for each root we find.
42 struct rb_node rb_node;
43 struct rb_node sort_node;
48 /* equal the offset of the root's key */
51 /* flags of the root */
54 /* the id of the root that references this one */
57 /* the dir id we're in from ref_tree */
62 /* generation when the root is created or last updated */
65 /* creation generation of this root in sec*/
68 /* creation time of this root in sec*/
71 u8 uuid[BTRFS_UUID_SIZE];
72 u8 puuid[BTRFS_UUID_SIZE];
73 u8 ruuid[BTRFS_UUID_SIZE];
75 /* path from the subvol we live in to this root, including the
76 * root's name. This is null until we do the extra lookup ioctl.
80 /* the name of this root in the directory it lives in */
88 typedef int (*btrfs_list_filter_func)(struct root_info *, u64);
89 typedef int (*btrfs_list_comp_func)(struct root_info *, struct root_info *,
92 struct btrfs_list_filter {
93 btrfs_list_filter_func filter_func;
97 struct btrfs_list_comparer {
98 btrfs_list_comp_func comp_func;
102 struct btrfs_list_filter_set {
106 struct btrfs_list_filter filters[0];
109 struct btrfs_list_comparer_set {
112 struct btrfs_list_comparer comps[0];
115 enum btrfs_list_column_enum {
117 BTRFS_LIST_GENERATION,
118 BTRFS_LIST_OGENERATION,
120 BTRFS_LIST_TOP_LEVEL,
129 enum btrfs_list_filter_enum {
130 BTRFS_LIST_FILTER_ROOTID,
131 BTRFS_LIST_FILTER_SNAPSHOT_ONLY,
132 BTRFS_LIST_FILTER_FLAGS,
133 BTRFS_LIST_FILTER_GEN,
134 BTRFS_LIST_FILTER_GEN_EQUAL = BTRFS_LIST_FILTER_GEN,
135 BTRFS_LIST_FILTER_GEN_LESS,
136 BTRFS_LIST_FILTER_GEN_MORE,
137 BTRFS_LIST_FILTER_CGEN,
138 BTRFS_LIST_FILTER_CGEN_EQUAL = BTRFS_LIST_FILTER_CGEN,
139 BTRFS_LIST_FILTER_CGEN_LESS,
140 BTRFS_LIST_FILTER_CGEN_MORE,
141 BTRFS_LIST_FILTER_TOPID_EQUAL,
142 BTRFS_LIST_FILTER_FULL_PATH,
143 BTRFS_LIST_FILTER_BY_PARENT,
144 BTRFS_LIST_FILTER_DELETED,
145 BTRFS_LIST_FILTER_MAX,
148 enum btrfs_list_comp_enum {
149 BTRFS_LIST_COMP_ROOTID,
150 BTRFS_LIST_COMP_OGEN,
152 BTRFS_LIST_COMP_PATH,
156 int btrfs_list_parse_sort_string(char *optarg,
157 struct btrfs_list_comparer_set **comps);
158 int btrfs_list_parse_filter_string(char *optarg,
159 struct btrfs_list_filter_set **filters,
160 enum btrfs_list_filter_enum type);
161 void btrfs_list_setup_print_column(enum btrfs_list_column_enum column);
162 struct btrfs_list_filter_set *btrfs_list_alloc_filter_set(void);
163 void btrfs_list_free_filter_set(struct btrfs_list_filter_set *filter_set);
164 int btrfs_list_setup_filter(struct btrfs_list_filter_set **filter_set,
165 enum btrfs_list_filter_enum filter, u64 data);
166 struct btrfs_list_comparer_set *btrfs_list_alloc_comparer_set(void);
167 void btrfs_list_free_comparer_set(struct btrfs_list_comparer_set *comp_set);
169 int btrfs_list_subvols_print(int fd, struct btrfs_list_filter_set *filter_set,
170 struct btrfs_list_comparer_set *comp_set,
171 int is_tab_result, int full_path, char *raw_prefix);
172 int btrfs_list_find_updated_files(int fd, u64 root_id, u64 oldest_gen);
173 int btrfs_list_get_default_subvolume(int fd, u64 *default_id);
174 char *btrfs_list_path_for_root(int fd, u64 root);
175 int btrfs_list_get_path_rootid(int fd, u64 *treeid);
176 int btrfs_get_subvol(int fd, struct root_info *the_ri);