From: Daniel Phillips <daniel@phunq.net>
To: Andreas Dilger <adilger@dilger.ca>
Cc: "Theodore Y. Ts'o" <tytso@mit.edu>,
linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org,
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Subject: Re: [RFC] Thing 1: Shardmap fox Ext4
Date: Wed, 4 Dec 2019 12:53:28 -0800 [thread overview]
Message-ID: <57e71e35-b3a4-67e8-d5db-af3b41e9230a@phunq.net> (raw)
In-Reply-To: <22c57727-2826-8945-1964-66e66fe82d39@phunq.net>
On 2019-12-04 12:47 p.m., Daniel Phillips wrote:
> On 2019-12-04 10:03 a.m., Andreas Dilger wrote:
>>> Here is a pretty picture to get started:
>>>
>>> https://github.com/danielbot/Shardmap/wiki/Shardmap-media-format
>>
>> The shardmap diagram is good conceptually, but it would be useful
>> to add a legend on the empty side of the diagram that shows the on-disk
>> structures.
>
> Sounds good, but not sure exactly what you had in mind. Fields of a
> shard entry? Fields of the block 0 header? The record entry block has
> its own diagram, and is polymorphic anyway, so no fixed format.
Ah, the legend can explain that lower tier shard 2 is in process of
being split into upper tier shards 4 and 5, and label the shards
with offset numbers.
next prev parent reply other threads:[~2019-12-04 20:53 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-27 1:47 [RFC] Thing 1: Shardmap fox Ext4 Daniel Phillips
2019-11-27 7:40 ` Vyacheslav Dubeyko
2019-11-27 8:28 ` Daniel Phillips
2019-11-27 19:35 ` Viacheslav Dubeyko
2019-11-28 2:54 ` Daniel Phillips
2019-11-28 9:15 ` Andreas Dilger
2019-11-28 10:03 ` Daniel Phillips
2019-11-27 14:25 ` Theodore Y. Ts'o
2019-11-27 22:27 ` Daniel Phillips
2019-11-28 2:28 ` Theodore Y. Ts'o
2019-11-28 4:27 ` Daniel Phillips
2019-11-30 17:50 ` Theodore Y. Ts'o
2019-12-01 8:21 ` Daniel Phillips
2019-12-04 18:31 ` Andreas Dilger
2019-12-04 21:44 ` Daniel Phillips
2019-12-05 0:36 ` Andreas Dilger
2019-12-05 2:27 ` [RFC] Thing 1: Shardmap for Ext4 Daniel Phillips
2019-12-04 23:41 ` [RFC] Thing 1: Shardmap fox Ext4 Theodore Y. Ts'o
2019-12-06 1:16 ` Dave Chinner
2019-12-06 5:09 ` [RFC] Thing 1: Shardmap for Ext4 Daniel Phillips
2019-12-08 22:42 ` Dave Chinner
2019-11-28 21:17 ` [RFC] Thing 1: Shardmap fox Ext4 Daniel Phillips
2019-12-08 10:25 ` Daniel Phillips
2019-12-02 1:45 ` Daniel Phillips
2019-12-04 15:55 ` Vyacheslav Dubeyko
2019-12-05 9:46 ` Daniel Phillips
2019-12-06 11:47 ` Vyacheslav Dubeyko
2019-12-07 0:46 ` [RFC] Thing 1: Shardmap for Ext4 Daniel Phillips
2019-12-04 18:03 ` [RFC] Thing 1: Shardmap fox Ext4 Andreas Dilger
2019-12-04 20:47 ` Daniel Phillips
2019-12-04 20:53 ` Daniel Phillips [this message]
2019-12-05 5:59 ` Daniel Phillips
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