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btrfs-convert: Iterate correctly using libext2fs functions

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This patch corrects open-coded inode_map iteration, which happens to be
illegal in new libext2fs due to inode_map being private, causing warning,
which becomes a compile error.
This commit is contained in:
Radoslaw Szkodzinski 2008-07-30 17:02:57 -04:00 committed by David Woodhouse
parent e9fa78e2ec
commit 33d7977a95
1 changed files with 33 additions and 28 deletions
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61
convert.c
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@ -955,29 +955,24 @@ static int copy_inode_item(struct btrfs_inode_item *dst,
static int copy_single_inode(struct btrfs_trans_handle *trans,
struct btrfs_root *root, u64 objectid,
ext2_filsys ext2_fs, ext2_ino_t ext2_ino,
struct ext2_inode *ext2_inode,
int datacsum, int packing, int noxattr)
{
int ret;
errcode_t err;
struct ext2_inode ext2_inode;
struct btrfs_key inode_key;
struct btrfs_inode_item btrfs_inode;
if (ext2_inode->i_links_count == 0)
return 0;
err = ext2fs_read_inode(ext2_fs, ext2_ino, &ext2_inode);
if (err)
goto error;
copy_inode_item(&btrfs_inode, &ext2_inode);
if (!datacsum && S_ISREG(ext2_inode.i_mode)) {
copy_inode_item(&btrfs_inode, ext2_inode);
if (!datacsum && S_ISREG(ext2_inode->i_mode)) {
u32 flags = btrfs_stack_inode_flags(&btrfs_inode) |
BTRFS_INODE_NODATASUM;
btrfs_set_stack_inode_flags(&btrfs_inode, flags);
}
switch (ext2_inode.i_mode & S_IFMT) {
switch (ext2_inode->i_mode & S_IFMT) {
case S_IFREG:
ret = create_file_extents(trans, root, objectid, &btrfs_inode,
ext2_fs, ext2_ino, datacsum, packing);
@ -988,7 +983,7 @@ static int copy_single_inode(struct btrfs_trans_handle *trans,
break;
case S_IFLNK:
ret = create_symbol_link(trans, root, objectid, &btrfs_inode,
ext2_fs, ext2_ino, &ext2_inode);
ext2_fs, ext2_ino, ext2_inode);
break;
default:
ret = 0;
@ -1008,9 +1003,6 @@ static int copy_single_inode(struct btrfs_trans_handle *trans,
btrfs_set_key_type(&inode_key, BTRFS_INODE_ITEM_KEY);
ret = btrfs_insert_inode(trans, root, objectid, &btrfs_inode);
return ret;
error:
fprintf(stderr, "ext2fs_read_inode: %s\n", error_message(err));
return -1;
}
static int copy_disk_extent(struct btrfs_root *root, u64 dst_bytenr,
@ -1043,6 +1035,9 @@ static int copy_inodes(struct btrfs_root *root, ext2_filsys ext2_fs,
int datacsum, int packing, int noxattr)
{
int ret;
errcode_t err;
ext2_inode_scan ext2_scan;
struct ext2_inode ext2_inode;
ext2_ino_t ext2_ino;
u64 objectid;
struct btrfs_trans_handle *trans;
@ -1050,21 +1045,27 @@ static int copy_inodes(struct btrfs_root *root, ext2_filsys ext2_fs,
trans = btrfs_start_transaction(root, 1);
if (!trans)
return -ENOMEM;
ext2_ino = ext2_fs->inode_map->start;
for (; ext2_ino <= ext2_fs->inode_map->end; ext2_ino++) {
if (ext2fs_fast_test_inode_bitmap(ext2_fs->inode_map,
ext2_ino)) {
/* skip special inode in ext2fs */
if (ext2_ino < EXT2_GOOD_OLD_FIRST_INO &&
ext2_ino != EXT2_ROOT_INO)
continue;
objectid = ext2_ino + INO_OFFSET;
ret = copy_single_inode(trans, root,
objectid, ext2_fs, ext2_ino,
datacsum, packing, noxattr);
if (ret)
return ret;
}
err = ext2fs_open_inode_scan(ext2_fs, 0, &ext2_scan);
if (err) {
fprintf(stderr, "ext2fs_open_inode_scan: %s\n", error_message(err));
return -1;
}
while (!(err = ext2fs_get_next_inode(ext2_scan, &ext2_ino,
&ext2_inode))) {
/* no more inodes */
if (ext2_ino == 0)
break;
/* skip special inode in ext2fs */
if (ext2_ino < EXT2_GOOD_OLD_FIRST_INO &&
ext2_ino != EXT2_ROOT_INO)
continue;
objectid = ext2_ino + INO_OFFSET;
ret = copy_single_inode(trans, root,
objectid, ext2_fs, ext2_ino,
&ext2_inode, datacsum, packing,
noxattr);
if (ret)
return ret;
if (trans->blocks_used >= 4096) {
ret = btrfs_commit_transaction(trans, root);
BUG_ON(ret);
@ -1072,6 +1073,10 @@ static int copy_inodes(struct btrfs_root *root, ext2_filsys ext2_fs,
BUG_ON(!trans);
}
}
if (err) {
fprintf(stderr, "ext2fs_get_next_inode: %s\n", error_message(err));
return -1;
}
ret = btrfs_commit_transaction(trans, root);
BUG_ON(ret);