Btrfs devel - Sep 2008 - [PATCH] properly set blocksize when adding new device.

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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Sorry, previous patch is malformed, please use this one.

---
diff -r 8fe9e10847fa volumes.c
--- a/volumes.c	Thu Aug 28 06:21:17 2008 -0400
+++ b/volumes.c	Tue Sep 02 02:33:12 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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