Hello,
blocksize != 4096 causes btrfs super block written to wrong location.
---
diff -r 8fe9e10847fa volumes.c
--- a/volumes.c Thu Aug 28 06:21:17 2008 -0400
+++ b/volumes.c Tue Sep 02 01:41:40 2008 +0800
@@ -1078,6 +1078,8 @@
if (ret)
goto out_close_bdev;
+ set_blocksize(device->bdev, 4096);
+
total_bytes = btrfs_super_total_bytes(&root->fs_info->super_copy);
btrfs_set_super_total_bytes(&root->fs_info->super_copy,
total_bytes + device->total_bytes);
--
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