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https://github.com/kdave/btrfs-progs
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btrfs-progs: convert: move definitions for interal conversion API to own file
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba
parent
a20142ed71
commit
2798a5df33
@ -40,6 +40,7 @@
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#include "help.h"
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#include "mkfs/common.h"
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#include "convert/common.h"
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#include "convert/source-fs.h"
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#include "fsfeatures.h"
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#if BTRFSCONVERT_EXT2
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@ -63,14 +64,6 @@
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#endif
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#define CONV_IMAGE_SUBVOL_OBJECTID BTRFS_FIRST_FREE_OBJECTID
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struct task_ctx {
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uint32_t max_copy_inodes;
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uint32_t cur_copy_inodes;
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struct task_info *info;
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};
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static void *print_copied_inodes(void *p)
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{
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struct task_ctx *priv = p;
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@ -98,26 +91,14 @@ static int after_copied_inodes(void *p)
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return 0;
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}
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struct btrfs_convert_context;
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struct btrfs_convert_operations {
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const char *name;
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int (*open_fs)(struct btrfs_convert_context *cctx, const char *devname);
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int (*read_used_space)(struct btrfs_convert_context *cctx);
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int (*copy_inodes)(struct btrfs_convert_context *cctx,
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struct btrfs_root *root, int datacsum,
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int packing, int noxattr, struct task_ctx *p);
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void (*close_fs)(struct btrfs_convert_context *cctx);
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int (*check_state)(struct btrfs_convert_context *cctx);
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};
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static void init_convert_context(struct btrfs_convert_context *cctx)
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void init_convert_context(struct btrfs_convert_context *cctx)
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{
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cache_tree_init(&cctx->used);
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cache_tree_init(&cctx->data_chunks);
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cache_tree_init(&cctx->free);
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}
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static void clean_convert_context(struct btrfs_convert_context *cctx)
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void clean_convert_context(struct btrfs_convert_context *cctx)
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{
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free_extent_cache_tree(&cctx->used);
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free_extent_cache_tree(&cctx->data_chunks);
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@ -158,7 +139,7 @@ static int intersect_with_sb(u64 bytenr, u64 num_bytes)
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return 0;
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}
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static int convert_insert_dirent(struct btrfs_trans_handle *trans,
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int convert_insert_dirent(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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const char *name, size_t name_len,
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u64 dir, u64 objectid,
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@ -187,7 +168,7 @@ static int convert_insert_dirent(struct btrfs_trans_handle *trans,
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return 0;
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}
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static int read_disk_extent(struct btrfs_root *root, u64 bytenr,
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int read_disk_extent(struct btrfs_root *root, u64 bytenr,
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u32 num_bytes, char *buffer)
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{
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int ret;
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@ -232,22 +213,7 @@ static int csum_disk_extent(struct btrfs_trans_handle *trans,
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return ret;
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}
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struct blk_iterate_data {
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struct btrfs_trans_handle *trans;
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struct btrfs_root *root;
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struct btrfs_root *convert_root;
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struct btrfs_inode_item *inode;
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u64 convert_ino;
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u64 objectid;
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u64 first_block;
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u64 disk_block;
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u64 num_blocks;
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u64 boundary;
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int checksum;
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int errcode;
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};
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static void init_blk_iterate_data(struct blk_iterate_data *data,
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void init_blk_iterate_data(struct blk_iterate_data *data,
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struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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struct btrfs_inode_item *inode,
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@ -281,7 +247,7 @@ static void init_blk_iterate_data(struct blk_iterate_data *data,
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* So here, we don't use disk_block directly but search convert_root
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* to get the real disk_bytenr.
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*/
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static int record_file_blocks(struct blk_iterate_data *data,
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int record_file_blocks(struct blk_iterate_data *data,
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u64 file_block, u64 disk_block, u64 num_blocks)
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{
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int ret = 0;
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@ -369,7 +335,7 @@ static int record_file_blocks(struct blk_iterate_data *data,
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return ret;
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}
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static int block_iterate_proc(u64 disk_block, u64 file_block,
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int block_iterate_proc(u64 disk_block, u64 file_block,
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struct blk_iterate_data *idata)
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{
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int ret = 0;
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81
convert/source-fs.h
Normal file
81
convert/source-fs.h
Normal file
@ -0,0 +1,81 @@
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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_CONVERT_SOURCE_FS_H__
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#define __BTRFS_CONVERT_SOURCE_FS_H__
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#include "kerncompat.h"
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#define CONV_IMAGE_SUBVOL_OBJECTID BTRFS_FIRST_FREE_OBJECTID
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struct task_ctx {
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uint32_t max_copy_inodes;
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uint32_t cur_copy_inodes;
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struct task_info *info;
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};
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struct btrfs_convert_context;
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struct btrfs_root;
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struct btrfs_trans_handle;
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struct btrfs_inode_item;
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struct btrfs_convert_operations {
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const char *name;
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int (*open_fs)(struct btrfs_convert_context *cctx, const char *devname);
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int (*read_used_space)(struct btrfs_convert_context *cctx);
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int (*copy_inodes)(struct btrfs_convert_context *cctx,
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struct btrfs_root *root, int datacsum,
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int packing, int noxattr, struct task_ctx *p);
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void (*close_fs)(struct btrfs_convert_context *cctx);
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int (*check_state)(struct btrfs_convert_context *cctx);
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};
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struct blk_iterate_data {
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struct btrfs_trans_handle *trans;
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struct btrfs_root *root;
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struct btrfs_root *convert_root;
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struct btrfs_inode_item *inode;
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u64 convert_ino;
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u64 objectid;
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u64 first_block;
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u64 disk_block;
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u64 num_blocks;
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u64 boundary;
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int checksum;
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int errcode;
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};
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void init_convert_context(struct btrfs_convert_context *cctx);
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void clean_convert_context(struct btrfs_convert_context *cctx);
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int block_iterate_proc(u64 disk_block, u64 file_block,
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struct blk_iterate_data *idata);
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void init_blk_iterate_data(struct blk_iterate_data *data,
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struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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struct btrfs_inode_item *inode,
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u64 objectid, int checksum);
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int convert_insert_dirent(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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const char *name, size_t name_len,
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u64 dir, u64 objectid,
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u8 file_type, u64 index_cnt,
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struct btrfs_inode_item *inode);
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int read_disk_extent(struct btrfs_root *root, u64 bytenr,
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u32 num_bytes, char *buffer);
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int record_file_blocks(struct blk_iterate_data *data,
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u64 file_block, u64 disk_block, u64 num_blocks);
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#endif
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