mirror of
https://github.com/kdave/btrfs-progs
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100 lines
2.9 KiB
C
100 lines
2.9 KiB
C
/*
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* Copyright (C) 2012 STRATO. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef __BTRFS_QGROUP_H__
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#define __BTRFS_QGROUP_H__
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#include "kerncompat.h"
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#include "ioctl.h"
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struct btrfs_qgroup;
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typedef int (*btrfs_qgroup_filter_func)(struct btrfs_qgroup *, u64);
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typedef int (*btrfs_qgroup_comp_func)(struct btrfs_qgroup *,
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struct btrfs_qgroup *, int);
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struct btrfs_qgroup_filter {
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btrfs_qgroup_filter_func filter_func;
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u64 data;
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};
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struct btrfs_qgroup_comparer {
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btrfs_qgroup_comp_func comp_func;
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int is_descending;
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};
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struct btrfs_qgroup_filter_set {
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int total;
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int nfilters;
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struct btrfs_qgroup_filter filters[0];
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};
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struct btrfs_qgroup_comparer_set {
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int total;
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int ncomps;
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struct btrfs_qgroup_comparer comps[0];
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};
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enum btrfs_qgroup_column_enum {
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BTRFS_QGROUP_QGROUPID,
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BTRFS_QGROUP_RFER,
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BTRFS_QGROUP_EXCL,
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BTRFS_QGROUP_MAX_RFER,
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BTRFS_QGROUP_MAX_EXCL,
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BTRFS_QGROUP_PARENT,
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BTRFS_QGROUP_CHILD,
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BTRFS_QGROUP_ALL,
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};
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enum btrfs_qgroup_comp_enum {
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BTRFS_QGROUP_COMP_QGROUPID,
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BTRFS_QGROUP_COMP_RFER,
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BTRFS_QGROUP_COMP_EXCL,
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BTRFS_QGROUP_COMP_MAX_RFER,
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BTRFS_QGROUP_COMP_MAX_EXCL,
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BTRFS_QGROUP_COMP_MAX
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};
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enum btrfs_qgroup_filter_enum {
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BTRFS_QGROUP_FILTER_PARENT,
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BTRFS_QGROUP_FILTER_ALL_PARENT,
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BTRFS_QGROUP_FILTER_MAX,
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};
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int btrfs_qgroup_parse_sort_string(char *opt_arg,
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struct btrfs_qgroup_comparer_set **comps);
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u64 btrfs_get_path_rootid(int fd);
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int btrfs_show_qgroups(int fd, struct btrfs_qgroup_filter_set *,
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struct btrfs_qgroup_comparer_set *);
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void btrfs_qgroup_setup_print_column(enum btrfs_qgroup_column_enum column);
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void btrfs_qgroup_setup_units(unsigned unit_mode);
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struct btrfs_qgroup_filter_set *btrfs_qgroup_alloc_filter_set(void);
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int btrfs_qgroup_setup_filter(struct btrfs_qgroup_filter_set **filter_set,
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enum btrfs_qgroup_filter_enum, u64 data);
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struct btrfs_qgroup_comparer_set *btrfs_qgroup_alloc_comparer_set(void);
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int btrfs_qgroup_setup_comparer(struct btrfs_qgroup_comparer_set **comp_set,
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enum btrfs_qgroup_comp_enum comparer,
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int is_descending);
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int qgroup_inherit_size(struct btrfs_qgroup_inherit *p);
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int qgroup_inherit_add_group(struct btrfs_qgroup_inherit **inherit, char *arg);
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int qgroup_inherit_add_copy(struct btrfs_qgroup_inherit **inherit, char *arg,
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int type);
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#endif
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