Hi,
I am trying to understand XFS a little bit better, especially its journal process. Unfortunately, I am having trouble find documentation in this regard.
The general XFS documentation (http://xfs.org/docs/xfsdocs-xml-dev/XFS_Filesystem_Structure//tmp/en-US/html/index.html) has been quite helpful, but it doesn't describe the journal part of XFS. I also found some kernel documentation ablout XFS's delayed logging (https://www.kernel.org/doc/Documentation/filesystems/xfs-delayed-logging-design.txt), which talks about the journal process a bit. But it seems to assume a lot of prior knowledge of how the original XFS logging works to completely understand what the author is talking about; and the term it uses (like checkpoint) seem to have complete different meaning from, say, ext4.
So I am wondering, is there some kind of (any kind of ) documentation on XFS journaling? Ideally it will cover the major data structure and major code flow, but even a very high level, incomplete overview would be better than what I have now, which is essentially nothing. And if so, where can I find it?
Thanks a lot!
Suli
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Suli Yang
Department of Physics
University of Wisconsin Madison
4257 Chamberlin Hall
Madison WI 53703
Suli Yang
Department of Physics
University of Wisconsin Madison
4257 Chamberlin Hall
Madison WI 53703
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