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btrfs-progs: Refactor btrfs_root paramters in btrfs-corrupt-block.c 

Refactor the following functions and its callers to get rid of
incorrectly passed btrfs_root parameters:

1) corrupt_keys()
2) corrupt_metadata_block()

The only reason passing btrfs_root for them is to get block sizes.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
This commit is contained in:
Qu Wenruo 2017-05-18 10:36:19 +08:00 committed by David Sterba
parent fa5fd68021
commit 060c7b3a1a
1 changed files with 12 additions and 10 deletions
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22
btrfs-corrupt-block.c
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@ -126,7 +126,7 @@ static void print_usage(int ret)
}
static void corrupt_keys(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_fs_info *fs_info,
struct extent_buffer *eb)
{
int slot;
@ -158,22 +158,22 @@ static void corrupt_keys(struct btrfs_trans_handle *trans,
btrfs_mark_buffer_dirty(eb);
if (!trans) {
u16 csum_size =
btrfs_super_csum_size(root->fs_info->super_copy);
btrfs_super_csum_size(fs_info->super_copy);
csum_tree_block_size(eb, csum_size, 0);
write_extent_to_disk(eb);
}
}
static int corrupt_keys_in_block(struct btrfs_root *root, u64 bytenr)
static int corrupt_keys_in_block(struct btrfs_fs_info *fs_info, u64 bytenr)
{
struct extent_buffer *eb;
eb = read_tree_block(root, bytenr, root->fs_info->nodesize, 0);
eb = read_tree_block_fs_info(fs_info, bytenr, fs_info->nodesize, 0);
if (!extent_buffer_uptodate(eb))
return -EIO;;
corrupt_keys(NULL, root, eb);
corrupt_keys(NULL, fs_info, eb);
free_extent_buffer(eb);
return 0;
}
@ -745,10 +745,11 @@ static void shift_items(struct btrfs_root *root, struct extent_buffer *eb)
}
}
static int corrupt_metadata_block(struct btrfs_root *root, u64 block,
static int corrupt_metadata_block(struct btrfs_fs_info *fs_info, u64 block,
char *field)
{
struct btrfs_trans_handle *trans;
struct btrfs_root *root;
struct btrfs_path *path;
struct extent_buffer *eb;
struct btrfs_key key, root_key;
@ -764,7 +765,7 @@ static int corrupt_metadata_block(struct btrfs_root *root, u64 block,
return -EINVAL;
}
eb = read_tree_block(root, block, root->fs_info->nodesize, 0);
eb = read_tree_block_fs_info(fs_info, block, fs_info->nodesize, 0);
if (!extent_buffer_uptodate(eb)) {
fprintf(stderr, "Couldn't read in tree block %s\n", field);
return -EINVAL;
@ -781,7 +782,7 @@ static int corrupt_metadata_block(struct btrfs_root *root, u64 block,
root_key.type = BTRFS_ROOT_ITEM_KEY;
root_key.offset = (u64)-1;
root = btrfs_read_fs_root(root->fs_info, &root_key);
root = btrfs_read_fs_root(fs_info, &root_key);
if (IS_ERR(root)) {
fprintf(stderr, "Couldn't find owner root %llu\n",
key.objectid);
@ -1295,7 +1296,8 @@ int main(int argc, char **argv)
if (metadata_block) {
if (*field == 0)
print_usage(1);
ret = corrupt_metadata_block(root, metadata_block, field);
ret = corrupt_metadata_block(root->fs_info, metadata_block,
field);
goto out_close;
}
if (corrupt_di) {
@ -1358,7 +1360,7 @@ int main(int argc, char **argv)
while (bytes > 0) {
if (corrupt_block_keys) {
corrupt_keys_in_block(root, logical);
corrupt_keys_in_block(root->fs_info, logical);
} else {
struct extent_buffer *eb;