Re: [ANNOUNCE] bcachefs!

Ming Lin
2015-08-06T23:27:54Z

On Thu, Aug 6, 2015 at 3:58 PM, Kent Overstreet
<kent.overstreet@gmail.com> wrote:
> On Tue, Jul 28, 2015 at 11:41:52AM -0700, Ming Lin wrote:
>> On Fri, Jul 24, 2015 at 1:47 PM, Ming Lin <mlin@kernel.org> wrote:
>> >
>> > And I want to learn how the btree node insert/delete/update happens on
>> > disk. These maybe too detail. I'm going to write a small tool to dump
>> > the file system. Then I could understand better the on disk btree
>> > format.
>>
>> Here is my simple tool to dump parts of the on-disk format.
>> http://www.minggr.net/cgit/cgit.cgi/bcache-tools/commit/?id=deb258e2
>>
>> It's not in good shape, but simple enough to learn the on-disk format.
>
> Hey! Sorry for taking so long to respond, just got my computer set up back in
> Alaska.
>
> If you want to keep going with your tool, this might be a starting point for a
> debugfs tool - which bcache definitely needs at some point.

Yes, that's my goal.
I'll improve it once I get more familiar with bcachefs on-disk format.