Quoting Liu Bo <bo.li....@oracle.com>:

On Wed, Mar 30, 2016 at 01:58:03PM +0000, sri wrote:
Hi,

I could find very limited documentation related to on disk layout of btrfs
and how all trees are related to each other. Except wiki which has very
specific top level details I couldn't able to find more details on btrfs.

FSs such as zfs, ext3/4 and XFS there are documents which explains ondisk
layout of the file systems.

Could anybody please provide pointers for the same for better
understanding of btrfs on disk layout and how each tree interacts provided
multiple disks are configured for btrfs.

There is a paper[1] about btrfs filesystem which covers all the details.

[1]: BTRFS: The Linux B-Tree Filesystem

and this is where it is:

http://domino.watson.ibm.com/library/CyberDig.nsf/papers/6E1C5B6A1B6EDD9885257A38006B6130/$File/rj10501.pdf

D


Thanks,

-liubo
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