btrfs-progs/convert/common.h
David Sterba 9f2bfd966e btrfs-progs: convert: rename context volume_name to label
The name was derived from ext2 but we use label elsewhere.

Signed-off-by: David Sterba <dsterba@suse.com>
2021-08-20 14:24:55 +02:00

68 lines
1.9 KiB
C

/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License v2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
*/
/*
* Defines and function declarations for users of the mkfs API, no internal
* definitions.
*/
#ifndef __BTRFS_CONVERT_COMMON_H__
#define __BTRFS_CONVERT_COMMON_H__
#include "kerncompat.h"
#include "common/defs.h"
#include "common/extent-cache.h"
#define SOURCE_FS_UUID_SIZE (16)
struct btrfs_mkfs_config;
struct btrfs_convert_context {
u32 blocksize;
u64 first_data_block;
u64 block_count;
u64 inodes_count;
u64 free_inodes_count;
u64 total_bytes;
u64 free_bytes_initial;
char *label;
u8 fs_uuid[SOURCE_FS_UUID_SIZE];
const struct btrfs_convert_operations *convert_ops;
/* The accurate used space of old filesystem */
struct cache_tree used_space;
/* Batched ranges which must be covered by data chunks */
struct cache_tree data_chunks;
/* Free space which is not covered by data_chunks */
struct cache_tree free_space;
/*
* Free space reserved for ENOSPC report, it's just a copy free_space.
* But after initial calculation, free_space_initial is no longer
* updated, so we have a good idea on how much free space we really
* have for btrfs.
*/
struct cache_tree free_space_initial;
void *fs_data;
};
int make_convert_btrfs(int fd, struct btrfs_mkfs_config *cfg,
struct btrfs_convert_context *cctx);
#endif