btrfs-progs/convert/common.h
Lakshmipathi.G 8636132c6d btrfs-progs: convert: widen int types in convert context
The u32 types in the convert context might not be enough for some very
large filesytems (20TB). Use 64bit types to be safe.

Signed-off-by: Lakshmipathi.G <lakshmipathi.g@giis.co.in>
Signed-off-by: David Sterba <dsterba@suse.com>
2017-06-26 17:09:53 +02:00

57 lines
1.5 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
* defintions.
*/
#ifndef __BTRFS_CONVERT_COMMON_H__
#define __BTRFS_CONVERT_COMMON_H__
#include "kerncompat.h"
#include "common-defs.h"
#include "extent-cache.h"
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;
char *volume_name;
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;
void *fs_data;
};
int make_convert_btrfs(int fd, struct btrfs_mkfs_config *cfg,
struct btrfs_convert_context *cctx);
#endif