2 * Copyright (C) 2012 Fujitsu. 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 #include "kerncompat.h"
21 #define BTRFS_LIST_LAYOUT_DEFAULT 0
22 #define BTRFS_LIST_LAYOUT_TABLE 1
25 * one of these for each root we find.
28 struct rb_node rb_node;
29 struct rb_node sort_node;
34 /* equal the offset of the root's key */
37 /* flags of the root */
40 /* the id of the root that references this one */
43 /* the dir id we're in from ref_tree */
48 /* generation when the root is created or last updated */
51 /* creation generation of this root in sec*/
54 /* creation time of this root in sec*/
57 u8 uuid[BTRFS_UUID_SIZE];
58 u8 puuid[BTRFS_UUID_SIZE];
60 /* path from the subvol we live in to this root, including the
61 * root's name. This is null until we do the extra lookup ioctl.
65 /* the name of this root in the directory it lives in */
71 typedef int (*btrfs_list_filter_func)(struct root_info *, u64);
72 typedef int (*btrfs_list_comp_func)(struct root_info *, struct root_info *,
75 struct btrfs_list_filter {
76 btrfs_list_filter_func filter_func;
80 struct btrfs_list_comparer {
81 btrfs_list_comp_func comp_func;
85 struct btrfs_list_filter_set {
88 struct btrfs_list_filter filters[0];
91 struct btrfs_list_comparer_set {
94 struct btrfs_list_comparer comps[0];
97 enum btrfs_list_column_enum {
99 BTRFS_LIST_GENERATION,
100 BTRFS_LIST_OGENERATION,
102 BTRFS_LIST_TOP_LEVEL,
110 enum btrfs_list_filter_enum {
111 BTRFS_LIST_FILTER_ROOTID,
112 BTRFS_LIST_FILTER_SNAPSHOT_ONLY,
113 BTRFS_LIST_FILTER_FLAGS,
114 BTRFS_LIST_FILTER_GEN,
115 BTRFS_LIST_FILTER_GEN_EQUAL = BTRFS_LIST_FILTER_GEN,
116 BTRFS_LIST_FILTER_GEN_LESS,
117 BTRFS_LIST_FILTER_GEN_MORE,
118 BTRFS_LIST_FILTER_CGEN,
119 BTRFS_LIST_FILTER_CGEN_EQUAL = BTRFS_LIST_FILTER_CGEN,
120 BTRFS_LIST_FILTER_CGEN_LESS,
121 BTRFS_LIST_FILTER_CGEN_MORE,
122 BTRFS_LIST_FILTER_TOPID_EQUAL,
123 BTRFS_LIST_FILTER_FULL_PATH,
124 BTRFS_LIST_FILTER_BY_PARENT,
125 BTRFS_LIST_FILTER_MAX,
128 enum btrfs_list_comp_enum {
129 BTRFS_LIST_COMP_ROOTID,
130 BTRFS_LIST_COMP_OGEN,
132 BTRFS_LIST_COMP_PATH,
136 int btrfs_list_parse_sort_string(char *optarg,
137 struct btrfs_list_comparer_set **comps);
138 int btrfs_list_parse_filter_string(char *optarg,
139 struct btrfs_list_filter_set **filters,
140 enum btrfs_list_filter_enum type);
141 void btrfs_list_setup_print_column(enum btrfs_list_column_enum column);
142 struct btrfs_list_filter_set *btrfs_list_alloc_filter_set(void);
143 void btrfs_list_free_filter_set(struct btrfs_list_filter_set *filter_set);
144 int btrfs_list_setup_filter(struct btrfs_list_filter_set **filter_set,
145 enum btrfs_list_filter_enum filter, u64 data);
146 struct btrfs_list_comparer_set *btrfs_list_alloc_comparer_set(void);
147 void btrfs_list_free_comparer_set(struct btrfs_list_comparer_set *comp_set);
148 int btrfs_list_setup_comparer(struct btrfs_list_comparer_set **comp_set,
149 enum btrfs_list_comp_enum comparer,
152 int btrfs_list_subvols_print(int fd, struct btrfs_list_filter_set *filter_set,
153 struct btrfs_list_comparer_set *comp_set,
154 int is_tab_result, int full_path);
155 int btrfs_list_find_updated_files(int fd, u64 root_id, u64 oldest_gen);
156 int btrfs_list_get_default_subvolume(int fd, u64 *default_id);
157 char *btrfs_list_path_for_root(int fd, u64 root);
158 u64 btrfs_list_get_path_rootid(int fd);
159 int btrfs_get_subvol(int fd, struct root_info *the_ri);