btrfs-progs: check/lowmem: Fix false alert of data extent backref lost for snapshot

[platform/upstream/btrfs-progs.git] / btrfs-corrupt-block.c

diff --git a/btrfs-corrupt-block.c b/btrfs-corrupt-block.c
index 3269de5..59ee1b4 100644 (file)
--- a/btrfs-corrupt-block.c
+++ b/btrfs-corrupt-block.c
@@ -168,7 +168,7 @@ static int corrupt_keys_in_block(struct btrfs_fs_info *fs_info, u64 bytenr)
 {
        struct extent_buffer *eb;
 
-       eb = read_tree_block(fs_info, bytenr, fs_info->nodesize, 0);
+       eb = read_tree_block(fs_info, bytenr, 0);
        if (!extent_buffer_uptodate(eb))
                return -EIO;;
 
@@ -297,7 +297,6 @@ static void btrfs_corrupt_extent_tree(struct btrfs_trans_handle *trans,
                struct extent_buffer *next;
 
                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;
@@ -765,7 +764,7 @@ static int corrupt_metadata_block(struct btrfs_fs_info *fs_info, u64 block,
                return -EINVAL;
        }
 
-       eb = read_tree_block(fs_info, block, fs_info->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;
@@ -1227,13 +1226,16 @@ int main(int argc, char **argv)
                if (logical == (u64)-1)
                        print_usage(1);
                trans = btrfs_start_transaction(root, 1);
+               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);
@@ -1259,6 +1261,7 @@ int main(int argc, char **argv)
                        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)
@@ -1268,7 +1271,9 @@ int main(int argc, char **argv)
        }
        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");
@@ -1282,6 +1287,7 @@ int main(int argc, char **argv)
                        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);
@@ -1365,7 +1371,7 @@ int main(int argc, char **argv)
                        struct extent_buffer *eb;
 
                        eb = btrfs_find_create_tree_block(root->fs_info,
-                                       logical, root->fs_info->sectorsize);
+                                       logical);
                        if (!eb) {
                                error(
                "not enough memory to allocate extent buffer for bytenr %llu",