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RFC ocfs2: support IPv6 communication in o2cb cluster

piaojun ocfs2-devel 1 version New

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Cover letter [Ocfs2-devel] [RFC PATCH 0/5] ocfs2: support IPv6 communication in o2cb cluster

Hi Andrew,

Quoted 8 lines · Andrew Morton
Quoted 5 lines · On Thu, 25 Oct 2018 18:31:15 +0800 piaojun <[email protected]> wrote:

o2cb cluster only support IPv4 node configuration nowadays. Along with IPv6 used more widely, ocfs2 should also keep up with the pace. This patch series add configfs attribute for IPv6 configure and build connnection between nodes with IPv6 socket. So the nodes in cluster could send dlm messages through IPv6 network protocol.

Quoted 5 lines

Big patchset. I'll await some reviewer input before looking at merging this, I think.

Please update Documentation/filesystems/ocfs2.txt to document all the new userspace interfaces and the overall feature, etc.

OK, there is some work in userspace, such as o2cb_ctl, and I will add another patch to update the document.

Quoted 7 lines

Should the new code be hidden behind `#ifdef CONFIG_IPV6'? That would avoid some code bloat.

(That being said, if ocfs2 was concerned about code bloat, it would do something about the fact that mlog() and mlog_errno() more than double the file system's object code size).

Good suggestion, and I will consider using CONFIG_IPV6 to make code thiner.

Thanks,
Jun

Quoted 3 lines

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