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-rw-r--r--utils.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/utils.c b/utils.c
index c782a7af..08ff2f5b 100644
--- a/utils.c
+++ b/utils.c
@@ -656,6 +656,28 @@ out:
return ret;
}
+static int setup_temp_fs_tree(int fd, struct btrfs_mkfs_config *cfg,
+ u64 fs_bytenr)
+{
+ struct extent_buffer *buf = NULL;
+ int ret;
+
+ buf = malloc(sizeof(*buf) + cfg->nodesize);
+ if (!buf)
+ return -ENOMEM;
+ ret = setup_temp_extent_buffer(buf, cfg, fs_bytenr,
+ BTRFS_FS_TREE_OBJECTID);
+ if (ret < 0)
+ goto out;
+ /*
+ * Temporary fs tree is completely empty.
+ */
+ ret = write_temp_extent_buffer(fd, buf, fs_bytenr);
+out:
+ free(buf);
+ return ret;
+}
+
/*
* Improved version of make_btrfs().
*
@@ -751,6 +773,10 @@ static int make_convert_btrfs(int fd, struct btrfs_mkfs_config *cfg,
goto out;
ret = setup_temp_dev_tree(fd, cfg, sys_chunk_start, meta_chunk_start,
dev_bytenr);
+ if (ret < 0)
+ goto out;
+ ret = setup_temp_fs_tree(fd, cfg, fs_bytenr);
+
out:
return ret;
}