#include "transaction.h"
#include "list.h"
#include "utils.h"
+#include "help.h"
#define FIELD_BUF_LEN 80
length = blocksize;
while (1) {
- ret = btrfs_map_block(&root->fs_info->mapping_tree, READ,
- eb->start, &length, &multi,
- mirror_num, NULL);
+ ret = btrfs_map_block(root->fs_info, READ, eb->start, &length,
+ &multi, mirror_num, NULL);
if (ret) {
error("cannot map block %llu length %llu mirror %d: %d",
(unsigned long long)eb->start,
"mirror %d logical %llu physical %llu device %s\n",
mirror_num, (unsigned long long)bytenr,
(unsigned long long)eb->dev_bytenr, device->name);
- kfree(multi);
+ free(multi);
if (!copy || mirror_num == copy) {
ret = read_extent_from_disk(eb, 0, eb->len);
fsync(eb->fd);
}
- num_copies = btrfs_num_copies(&root->fs_info->mapping_tree,
- eb->start, eb->len);
+ num_copies = btrfs_num_copies(root->fs_info, eb->start,
+ eb->len);
if (num_copies == 1)
break;
}
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;
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->nodesize, 0);
+ eb = read_tree_block(fs_info, bytenr, 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;
}
static int corrupt_extent(struct btrfs_trans_handle *trans,
- struct btrfs_root *root, u64 bytenr, u64 copy)
+ struct btrfs_root *root, u64 bytenr)
{
struct btrfs_key key;
struct extent_buffer *leaf;
btrfs_item_key_to_cpu(eb, &key, victim);
objectid = key.objectid;
- corrupt_extent(trans, root, objectid, 1);
+ corrupt_extent(trans, root, objectid);
}
static void btrfs_corrupt_extent_tree(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct extent_buffer *eb)
{
+ struct btrfs_fs_info *fs_info = root->fs_info;
int i;
if (!eb)
for (i = 0; i < btrfs_header_nritems(eb); i++) {
struct extent_buffer *next;
- next = read_tree_block(root, btrfs_node_blockptr(eb, i),
- root->nodesize,
+ next = read_tree_block(fs_info, btrfs_node_blockptr(eb, i),
btrfs_node_ptr_generation(eb, i));
if (!extent_buffer_uptodate(next))
continue;
enum btrfs_inode_field {
BTRFS_INODE_FIELD_ISIZE,
BTRFS_INODE_FIELD_NBYTES,
+ BTRFS_INODE_FIELD_NLINK,
+ BTRFS_INODE_FIELD_GENERATION,
+ BTRFS_INODE_FIELD_TRANSID,
+ BTRFS_INODE_FIELD_BLOCK_GROUP,
+ BTRFS_INODE_FIELD_MODE,
+ BTRFS_INODE_FIELD_UID,
+ BTRFS_INODE_FIELD_GID,
BTRFS_INODE_FIELD_BAD,
};
return BTRFS_INODE_FIELD_ISIZE;
if (!strncmp(field, "nbytes", FIELD_BUF_LEN))
return BTRFS_INODE_FIELD_NBYTES;
+ if (!strncmp(field, "nlink", FIELD_BUF_LEN))
+ return BTRFS_INODE_FIELD_NLINK;
+ if (!strncmp(field, "generation", FIELD_BUF_LEN))
+ return BTRFS_INODE_FIELD_GENERATION;
+ if (!strncmp(field, "transid", FIELD_BUF_LEN))
+ return BTRFS_INODE_FIELD_TRANSID;
+ if (!strncmp(field, "block_group", FIELD_BUF_LEN))
+ return BTRFS_INODE_FIELD_BLOCK_GROUP;
+ if (!strncmp(field, "mode", FIELD_BUF_LEN))
+ return BTRFS_INODE_FIELD_MODE;
+ if (!strncmp(field, "uid", FIELD_BUF_LEN))
+ return BTRFS_INODE_FIELD_UID;
+ if (!strncmp(field, "gid", FIELD_BUF_LEN))
+ return BTRFS_INODE_FIELD_GID;
return BTRFS_INODE_FIELD_BAD;
}
bogus = generate_u64(orig);
btrfs_set_inode_nbytes(path->nodes[0], ei, bogus);
break;
+ case BTRFS_INODE_FIELD_NLINK:
+ orig = btrfs_inode_nlink(path->nodes[0], ei);
+ bogus = generate_u32(orig);
+ btrfs_set_inode_nlink(path->nodes[0], ei, bogus);
+ break;
+ case BTRFS_INODE_FIELD_GENERATION:
+ orig = btrfs_inode_generation(path->nodes[0], ei);
+ bogus = generate_u64(orig);
+ btrfs_set_inode_generation(path->nodes[0], ei, bogus);
+ break;
+ case BTRFS_INODE_FIELD_TRANSID:
+ orig = btrfs_inode_transid(path->nodes[0], ei);
+ bogus = generate_u64(orig);
+ btrfs_set_inode_transid(path->nodes[0], ei, bogus);
+ break;
+ case BTRFS_INODE_FIELD_BLOCK_GROUP:
+ orig = btrfs_inode_block_group(path->nodes[0], ei);
+ bogus = generate_u64(orig);
+ btrfs_set_inode_block_group(path->nodes[0], ei, bogus);
+ break;
+ case BTRFS_INODE_FIELD_MODE:
+ orig = btrfs_inode_mode(path->nodes[0], ei);
+ bogus = generate_u32(orig);
+ btrfs_set_inode_mode(path->nodes[0], ei, bogus);
+ break;
+ case BTRFS_INODE_FIELD_UID:
+ orig = btrfs_inode_uid(path->nodes[0], ei);
+ bogus = generate_u32(orig);
+ btrfs_set_inode_uid(path->nodes[0], ei, bogus);
+ break;
+ case BTRFS_INODE_FIELD_GID:
+ orig = btrfs_inode_gid(path->nodes[0], ei);
+ bogus = generate_u32(orig);
+ btrfs_set_inode_gid(path->nodes[0], ei, bogus);
+ break;
default:
ret = -EINVAL;
break;
}
}
-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;
return -EINVAL;
}
- eb = read_tree_block(root, block, root->nodesize, 0);
+ eb = read_tree_block(fs_info, block, 0);
if (!extent_buffer_uptodate(eb)) {
fprintf(stderr, "Couldn't read in tree block %s\n", field);
return -EINVAL;
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);
if (slot == 0)
del = 0;
/* Only accept valid eb */
- BUG_ON(!leaf->data || slot >= btrfs_header_nritems(leaf));
+ if (slot >= btrfs_header_nritems(leaf)) {
+ error("invalid eb: no data or slot out of range: %d >= %d",
+ slot, btrfs_header_nritems(leaf));
+ return -EINVAL;
+ }
btrfs_item_key_to_cpu(leaf, &key, slot);
if (del) {
fprintf(stdout, "Deleting key and data [%llu, %u, %llu].\n",
if (logical == (u64)-1)
print_usage(1);
trans = btrfs_start_transaction(root, 1);
- ret = corrupt_extent (trans, root, logical, 0);
+ BUG_ON(IS_ERR(trans));
+ ret = corrupt_extent(trans, root, logical);
btrfs_commit_transaction(trans, root);
goto out_close;
}
if (extent_tree) {
struct btrfs_trans_handle *trans;
+
trans = btrfs_start_transaction(root, 1);
+ BUG_ON(IS_ERR(trans));
btrfs_corrupt_extent_tree(trans, root->fs_info->extent_root,
root->fs_info->extent_root->node);
btrfs_commit_transaction(trans, root);
goto out_close;
}
trans = btrfs_start_transaction(root, 1);
+ BUG_ON(IS_ERR(trans));
ret = corrupt_item_nocow(trans, root->fs_info->chunk_root,
path, del);
if (ret < 0)
}
if (chunk_tree) {
struct btrfs_trans_handle *trans;
+
trans = btrfs_start_transaction(root, 1);
+ BUG_ON(IS_ERR(trans));
ret = corrupt_chunk_tree(trans, root->fs_info->chunk_root);
if (ret < 0)
fprintf(stderr, "Failed to corrupt chunk tree\n");
print_usage(1);
trans = btrfs_start_transaction(root, 1);
+ BUG_ON(IS_ERR(trans));
if (file_extent == (u64)-1) {
printf("corrupting inode\n");
ret = corrupt_inode(trans, root, inode, field);
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) {
print_usage(1);
if (bytes == 0)
- bytes = root->sectorsize;
+ bytes = root->fs_info->sectorsize;
- bytes = (bytes + root->sectorsize - 1) / root->sectorsize;
- bytes *= root->sectorsize;
+ bytes = round_up(bytes, root->fs_info->sectorsize);
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;
eb = btrfs_find_create_tree_block(root->fs_info,
- logical, root->sectorsize);
+ logical);
if (!eb) {
error(
"not enough memory to allocate extent buffer for bytenr %llu",
goto out_close;
}
- debug_corrupt_block(eb, root, logical, root->sectorsize,
- copy);
+ debug_corrupt_block(eb, root, logical,
+ root->fs_info->sectorsize, copy);
free_extent_buffer(eb);
}
- logical += root->sectorsize;
- bytes -= root->sectorsize;
+ logical += root->fs_info->sectorsize;
+ bytes -= root->fs_info->sectorsize;
}
return ret;
out_close:
projects / platform / upstream / btrfs-progs.git / blobdiff