On 05/17/2010 06:24 PM, Joel Becker wrote:
On Mon, May 17, 2010 at 05:23:22PM -0400, Madan, Anshul wrote:
Requesting Attendance:
Trond Myklebust, James Lentini and Anshul Madan
I (Joel Becker ) would like to request attendance to join in
this conversation. I'm the original proposer of reflink(2).
This topic has been discussed both on Linux development mailing lists
[1] and at previous LSF summits. Joel Becker originally proposed a
syscall called reflink() that was specific to copying an inode to a
copy-on-write snapshot. Since then, the need for a generic copy
interface that encompassed the reflink semantics as well as less
restrictive ones has been recognized based on discussion between Linus
Torvalds and Joel.
My last proposal for the copyfile(2) interface is reference [2].
I think it is a good starting point, but I'm very interested in what the
network filesystem community has to say. NFS's server copy capability
is something I definitely had in mind.
[1] Relevant posts:
http://www.mail-archive.com/ocfs2-devel@xxxxxxxxxxxxxx/msg04347.html
http://www.mail-archive.com/ocfs2-devel@xxxxxxxxxxxxxx/msg04395.html
Joel
I think that this would be an interesting subject as well, especially
given the mix of storage & FS people at the event.
Ric
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