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#linuxkernel

7 posts5 participants0 posts today

""[…] This blog post discusses atomic commit of file contents [in #XFS #Linux 6.13+]. In this context, the difference between “commit” and “exchange” is that the commit system call exchanges the two files’ contents only if the target file has not been modified since a past point in time.

[…]

Conclusion

As you have seen, it is now possible to commit a collection of arbitrary file updates to a file if that file has not been updated, and expect that readers see either the old version or the new version.""

blogs.oracle.com/linux/post/xf

Highlights from the main #NFSd merge for #Linux 6.17[1]:

""NFSD is finally able to offer write delegations to clients that open files with O_WRONLY, thanks to patches from Dai Ngo. We're expecting this to accelerate a few interesting corner cases.

The cap on the number of operations per NFSv4 COMPOUND has been lifted.[…]

This release re-enables the ability for NFSD to perform NFSv4.2 COPY operations asynchronously. […]""

[1] git.kernel.org/torvalds/c/ce3f

Continued thread

2/ And to quote one bit from @corbet's[1] great #OSSNA25 talk:

""[…] there will be no core development conferences around #Linux and other things in the United States in the foreseeable future. […] this is a real problem […]""

Yes, this is not a formal announcement[2] – but it bears some weight, as Jonathan is well connected and among others sits in the Linux Foundation's Technical Advisory Board (TAB).

[1] youtube.com/watch?v=hNLBGiwfBS (for context starts a bit earlier; the quoted bit comes about a minute later)

[2] and kinda obvious for some of you

ICYMI: the recording of @corbet's recent #OSSNA25 talk "Three Decades in Kernelland" recently became available:

youtube.com/watch?v=hNLBGiwfBS

From the abstract[1]: The #Linux #kernel project has been going for well over 30 years. From its beginnings on floppy diskettes and beige boxes through to its current home in pockets and unseen data centers, the kernel project has been a constant exercise in rapid development and adaptation. I have been present for almost all of the kernel project's history as an observer, contributor, maintainer, and more; all that experience will be boiled down into a fast-moving tour of how the #LinuxKernel got to where it is, what makes it successful, and what may be coming next.

[1] ossna2025.sched.com/event/1zfi

Remember #Linux' pktcdvd driver, which allowed direct mounts with UDF of cd-rw drives that required 32kb packets?

That driver is now in now scheduled to be removed with #kernel 6.17, as a patch doing this landed in linux-next today – because that use-case is uncommon these days, as "the world has moved on from those kinds of media. To make matters worse, it's actively breaking setups where it's not even required or useful."

git.kernel.org/pub/scm/linux/k