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Diffstat (limited to 'btrfs-corrupt-block.c')
-rw-r--r--btrfs-corrupt-block.c58
1 files changed, 30 insertions, 28 deletions
diff --git a/btrfs-corrupt-block.c b/btrfs-corrupt-block.c
index 0e1eb524..3269de5c 100644
--- a/btrfs-corrupt-block.c
+++ b/btrfs-corrupt-block.c
@@ -31,6 +31,7 @@
#include "transaction.h"
#include "list.h"
#include "utils.h"
+#include "help.h"
#define FIELD_BUF_LEN 80
@@ -46,9 +47,8 @@ static int debug_corrupt_block(struct extent_buffer *eb,
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,
@@ -88,8 +88,8 @@ static int debug_corrupt_block(struct extent_buffer *eb,
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;
@@ -125,7 +125,7 @@ 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;
@@ -157,28 +157,28 @@ 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->nodesize, 0);
+ eb = read_tree_block(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;
}
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;
@@ -270,13 +270,14 @@ static void btrfs_corrupt_extent_leaf(struct btrfs_trans_handle *trans,
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)
@@ -295,8 +296,8 @@ static void btrfs_corrupt_extent_tree(struct btrfs_trans_handle *trans,
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),
+ fs_info->nodesize,
btrfs_node_ptr_generation(eb, i));
if (!extent_buffer_uptodate(next))
continue;
@@ -744,10 +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;
@@ -763,7 +765,7 @@ static int corrupt_metadata_block(struct btrfs_root *root, u64 block,
return -EINVAL;
}
- eb = read_tree_block(root, block, root->nodesize, 0);
+ eb = read_tree_block(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;
@@ -780,7 +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);
@@ -1225,7 +1227,7 @@ int main(int argc, char **argv)
if (logical == (u64)-1)
print_usage(1);
trans = btrfs_start_transaction(root, 1);
- ret = corrupt_extent (trans, root, logical, 0);
+ ret = corrupt_extent(trans, root, logical);
btrfs_commit_transaction(trans, root);
goto out_close;
}
@@ -1294,7 +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) {
@@ -1351,19 +1354,18 @@ int main(int argc, char **argv)
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, root->fs_info->sectorsize);
if (!eb) {
error(
"not enough memory to allocate extent buffer for bytenr %llu",
@@ -1372,12 +1374,12 @@ int main(int argc, char **argv)
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:
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 21:06:00 +0000