Re: btrfs_print_tree?

[Jeff Liu <jeff.liu@oracle.com>]

On 07/01/2012 05:49 PM, Zhi Yong Wu wrote:

> On Sun, Jul 1, 2012 at 5:41 PM, Mike Fleetwood
> <mike.fleetwood@googlemail.com> wrote:
>> On 1 July 2012 05:53, Zhi Yong Wu <zwu.kernel@gmail.com> wrote:
>>> HI,
>>>
>>> Do anyone know where btrfs_print_tree is invoked? thanks.
>>>
>>> --
>>> Regards,
>>>
>>> Zhi Yong Wu
>>
>> Is this the answer you are after?
>>
>> $ grep -r btrfs_print_tree fs/btrfs/
>> fs/btrfs/print-tree.c:void btrfs_print_tree(struct btrfs_root *root,
>> struct extent_buffer *c)
>> fs/btrfs/print-tree.c:          btrfs_print_tree(root, next);
>> fs/btrfs/print-tree.h:void btrfs_print_tree(struct btrfs_root *root,
>> struct extent_buffer *t);
> No, i also did as this, but didn't find out who will invoke this
> function. From above output, we only saw that it invokes itself one
> time.

Looks this is a helper routine exported to btrfs-progs previously, it is
used by debug-tree, quick-test, etc...

But this function has been implemented at btrfs-progs now, maybe it
could be safely removed from kernel, not sure. :)

Thanks,
-Jeff

> 
>>
>> Mike
> 
> 
>