From 5f276edfdaaec5ec21e48694768b7c200583736c Mon Sep 17 00:00:00 2001 From: David Sterba Date: Wed, 25 Jan 2017 17:09:10 +0100 Subject: btrfs-progs: move convert definitions to own header Create a header for filesystem conversion API, the config and the main entry function. Signed-off-by: David Sterba --- convert/common.h | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 convert/common.h (limited to 'convert/common.h') diff --git a/convert/common.h b/convert/common.h new file mode 100644 index 00000000..236e9a80 --- /dev/null +++ b/convert/common.h @@ -0,0 +1,55 @@ +/* + * 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" + +struct btrfs_mkfs_config; + +struct btrfs_convert_context { + u32 blocksize; + u32 first_data_block; + u32 block_count; + u32 inodes_count; + u32 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; + + /* 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; + + void *fs_data; +}; + +int make_convert_btrfs(int fd, struct btrfs_mkfs_config *cfg, + struct btrfs_convert_context *cctx); + +#endif -- cgit v1.2.3