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Reiser

Reiser5 Updates For Linux 5.5 Along With Reiser4

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Reiser

The out-of-tree Reiser4 and Reiser5 (Reiser4 v5) patches have been updated against the recently stabilized Linux 5.5 kernel.

Main Reiser4 developer Edward Shishkin re-based the Reiser4 file-system patch against Linux 5.5.1 along with the experimental Reiser5.

At the end of 2019 is when Shishkin announced Reiser5 file-system development with introducing the concepts of local volumes capable of parallel scaling out and other key iterations over the current Reiser4 design.

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Reiser4 File-System Is Still Ticking In 2019 - Now Updated For Linux 5.3 Compatibility

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Linux
Reiser

Edward Shishkin continues near single-handedly maintaining the out-of-tree Reiser4 code that at this point still has no apparent trajectory towards mainline. The former Namesys developer previously indicated it's unlikely to see Reiser4 merged unless there is a company backing it to get it through the review process for merging into mainline. While Reiser4 was quite promising for its early time, it's only getting more difficult with Reiser4 effectively stagnating for years now while SUSE/openSUSE continues backing Btrfs, Ubuntu increasingly investing in ZFS support, Red Hat developing Stratis, XFS continuing to be advanced by Red Hat and others as well, Google continuing to invest in the likes of EXT4/F2FS, and there also being Bcachefs and other open-source storage solutions that are more promising than Reiser4 in 2019. Nevertheless, the out-of-tree kernel patches continue to be updated.

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Reiser4 Brought To The Linux 5.0 Kernel

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Reiser

For those still using the out-of-tree Reiser4 file-system, it may be about time to consider alternatives like Btrfs, XFS, ZFS On Linux, F2FS, or even the likes of Stratis and Bcachefs. But should you still be using this once promising file-system, the out-of-tree patches have been revised to now work with the Linux 5.0 kernel.

There still is no trajectory for Reiser4 to the mainline Linux kernel with no major companies or other stakeholders backing Reiser4 but just a small group of developers and enthusiasts left working on this successor to ReiserFS. With the latest code posted on Friday by former Namesys developer Edward Shishkin, the Reiser4 kernel driver has been re-based to the Linux 5.0 kernel but with no other changes to the file-system noted.

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Reiser4 File-System Benchmarks With Linux 4.17

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Graphics/Benchmarks
Linux
Reiser

It's been about three years since last carrying out any file-system performance benchmarks of Reiser4, but being curious how it stacks up against the current state of today's mainline Linux file-systems, here are some fresh performance tests of Reiser4 using the Linux 4.17 kernel. The Reiser4 performance was compared to Reiserfs, EXT4, Btrfs, XFS, and F2FS.

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Reiser4 Updated For Linux 4.14 & Introduces Zstd Compression Support

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Reiser

The out-of-tree Reiser4 file-system driver has been updated with compatibility for the latest Linux 4.14 stable series. Besides reworking the code to run on Linux 4.14, this controversial file-system has also added support for Zstd file-system compression.

Linux 4.14 introduced Zstd support in the mainline kernel and wired it in for SquashFS and Btrfs. Our Btrfs Zstd benchmarks have been promising for transparent file-system compression compared to the other supported algorithms. Reiser4 has now picked up Zstd compression as an eventual replacement to their Gzip compression support.

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Reiser4 Is Now Ready For Linux 4.13

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Reiser

For those wanting to use the Reiser4 file-system with the just-released Linux 4.13 kernel, patches are already available.

Less than one week after the release of the Linux 4.13 stable kernel, Edward Shishkin has already released an updated patch for the out-of-tree Reiser4 file-system for working with this new stable series.

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Reiser4 Updated For Linux 4.12, Experimental Data Striping Support

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Reiser

Those using the Reiser4 file-system in some capacity can now safely upgrade to the Linux 4.12 kernel.

Edward Shishkin has updated this out-of-tree file-system for the Linux 4.12 kernel so it can be built with the latest mainline stable release.

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Reiser4 Updated For The Linux 4.10 Kernel

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Reiser

The out-of-tree Reiser4 file-system has been updated for the Linux 4.10 kernel.

Reiser4 for the Linux 4.10.0 kernel is available as of earlier this week, managing to release their updated file-system driver code quite promptly. This port to Linux 4.10 yielded a few changes to the Reiser4 code as they re-based to this Linux kernel with the ->readlink() of inode operations being removed as well as the WRITE_FLUSH_FUA flag being removed.

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Reiser4 Is Now Available For Linux 4.9, Mirror Code Almost Stable

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Reiser

For those that haven't yet switched to Btrfs, ZFS On Linux, or running EXT4/XFS but holding out hope for Reiser4, this out-of-tree file-system code has been updated for Linux 4.9.

Reiser4 was released for Linux 4.9.0 last weekend but then a revised patch series came out three days ago to fix some problems with this port to 4.9. With the new Reiser4 patches built against Linux 4.9.1, all should be well if you want to use this experimental file-system on the newest Linux kernel.

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Reiser4 Now Available For Linux 4.8 Kernel

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Reiser

While Linux 4.9 will be released in just a few weeks, the remaining Reiser4 file-system developers have just updated their code to support the Linux 4.8 stable kernel.

Reiser4 for Linux 4.8.0 is now available for those wanting to run this out-of-tree file-system on the current stable kernel. The Reiser4 kernel is now compatible with 4.8 and there is also a kernel oops fix when mounting forward-incompatible volumes, unneeded assertions were removed, some VFS changes were made, and there is now rename2 support.

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Plasma Mobile: How to help us!

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Android Leftovers

today's leftovers

  • Mesa 20.0.3 Released With Latest Open-Source Graphics Driver Fixes

    While many of you are users of Mesa Git for experiencing the bleeding-edge graphics drivers especially if you are a gamer wanting peak performance, for those on the Mesa stable series the Mesa 20.0.3 update has now shipped. Mesa 20.0.3 is the latest bi-weekly point release for back-porting the fixes to this Q1'2020 stable series.

  • Adrien Plazas: A Coloring API for GTK

    This week we had the Design Tools Hackfest 2020, virtualized because of COVID-19, where we discussed that recoloring API. We came up with something I think is interesting enough to discuss more widely.

  • [Former Canonical manager] Dustin Kirkland: Coordinated Launch Cycles at Apex

    I joined Apex Clearing last year, having spent the previous 20 years as a software engineer, product manager, and executive, mostly around open source software, including Ubuntu, OpenStack, and Kubernetes. Albeit IBM, Canonical and Google differ from fintech on many levels, these operating systems and cloud infrastructure technology platforms share a number of similarities with Apex's software-as-a-service platform. Moreover, there also exists some literal overlap: we’re heavy users of both Ubuntu and Kubernetes here at Apex. Ubuntu, OpenStack, and Kubernetes all share similar, predictable, time-based release cycles. Ubuntu has released every April and October, since October of 2004 – that's 32 major software platform releases, on time, every time, over 16 years. Ubuntu has set the bar for velocity, quality, and predictability in the open source world. OpenStack’s development processes have largely mirrored Ubuntu’s, with many of the early project leaders having been ex-Ubuntu engineers and managers. OpenStack, too, has utilized a 6-month development cycle, since 2010, now on its 20th release. Kubernetes came along in 2014, and sought to increase the pace a bit, with quarterly release cycles. Kubernetes is a little bit looser with dates than Ubuntu or OpenStack, but has generally cranked out 4 quality releases per year, over the last 6 years. I’ve been involved in each of these projects at some level, and I’ve thoroughly enjoyed coaching a number of early stage start-ups on how to apply these principles to their product development methodologies.

  • Ulrike Uhlig: Breaking the chain reaction of reactions to reactions

    Each of these interactions is embedded in larger society, and, as said above, we learn these roles from childhood. Therefore, we perpetually reproduce power structures, and learnt behavior. I doubt that fixing this on an individual level is sufficient to transform our interactions outside of small groups, families or work places. Although that would be a good start. We can see that the triangle holds together because the Victim, seemingly devoid of a way to handle their own needs, transfers care of their needs to the Rescuer, thereby giving up on their autonomy. The Rescuer is provided by the Victim with a sense of autonomy, knowledge, and power, that only works while denying the Victim their autonomy. At the same time, the Persecutor denies everyone else's needs and autonomy, and feels powerful by dismissing others. I've recently mentioned the importance of autonomy in order to avoid burnout, and as a means to control one's own life. If the Rescuer can acknowledge being in the triangle, and give the Victim autonomy, by supporting them with compassion, empathy, and guidance, and at the same time respecting their own boundaries, we could find even more ways to escape the drama triangle.