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-rw-r--r--btrfs-convert.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/btrfs-convert.c b/btrfs-convert.c
index c2616aee..7ec61675 100644
--- a/btrfs-convert.c
+++ b/btrfs-convert.c
@@ -2349,6 +2349,13 @@ static int init_btrfs_v2(struct btrfs_mkfs_config *cfg, struct btrfs_root *root,
struct btrfs_fs_info *fs_info = root->fs_info;
int ret;
+ /*
+ * Don't alloc any metadata/system chunk, as we don't want
+ * any meta/sys chunk allcated before all data chunks are inserted.
+ * Or we screw up the chunk layout just like the old implement.
+ */
+ fs_info->avoid_sys_chunk_alloc = 1;
+ fs_info->avoid_meta_chunk_alloc = 1;
trans = btrfs_start_transaction(root, 1);
BUG_ON(!trans);
ret = btrfs_fix_block_accounting(trans, root);
@@ -2386,6 +2393,8 @@ static int init_btrfs_v2(struct btrfs_mkfs_config *cfg, struct btrfs_root *root,
goto err;
ret = btrfs_commit_transaction(trans, root);
+ fs_info->avoid_sys_chunk_alloc = 0;
+ fs_info->avoid_meta_chunk_alloc = 0;
err:
return ret;
}