1. Computers
  2. Display Drivers
  3. Graphics Cards
  4. Memory
  5. Motherboards
  6. Processors
  7. Software
  8. Storage
  9. Operating Systems


Facebook RSS Twitter Twitter Google Plus


Phoronix Test Suite

OpenBenchmarking.org

Reiser4 Gains Support For Different Transaction Models

Linux Kernel

Published on 09 April 2014 02:29 AM EDT
Written by Michael Larabel in Linux Kernel
6 Comments

For the past few years the Reiser4 file-system has mostly been in maintenance mode with there being just a handful of developers left working on the out-of-tree code, the former ReiserFS lead developer in jail, and most code activity these days just revolving around bug-fixing and adding support for newer kernel releases. However, in March the Reiser4 file-system did gain support for a new feature.

Edward Shishkin, the former Namesys developer largely leading Reiser4's development for the past several years, announced in mid-March the Reiser4 file-system gained support for multiple transaction models. This news slipped under my radar until now. As a unique feature to Reiser4, the file-system can switch between different transaction models at mount-time.

All major file-systems are generally designed around one transaction model, such as being a journaling design or a write-anywhere / copy-on-write model, but Reiser4 now has support for swapping out the different transaction models. This support for multiple file-system transaction models was done since some modes work better for different drives; i.e. solid-state drives versus hard drives.

With the newest Reiser4 code, there's mount options for a journalling mode, a write-anywhere / copy-on-write model, and a hybrid transaction model. The hybrid model is what's been the default approach of Reiser4 going back to around 2002. Only the default hybrid mode is what's considered stable right now within the Reiser4 code.

Those open-source file-system enthusiasts wishing to learn more or to try out the new file-system code can find the details via Shishkin's mailing list announcement.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
Latest Linux Hardware Reviews
  1. Even With Re-Clocking, Nouveau Remains Behind NVIDIA's Proprietary Linux Driver
  2. The Power Consumption & Efficiency Of Open-Source GPU Drivers
  3. AMD R600g/RadeonSI Performance On Linux 3.16 With Mesa 10.3-devel
  4. Intel Pentium G3258 On Linux
Latest Linux Articles
  1. AMD Catalyst 14.6 Does Slightly Better With APITest OpenGL Tests
  2. Updated Source Engine Benchmarks On The Latest AMD/NVIDIA Linux Drivers
  3. Nouveau vs. Radeon vs. Intel Tests On Linux 3.16, Mesa 10.3-devel
  4. KVM Benchmarks On Ubuntu 14.10
Latest Linux News
  1. Builder: A New Development IDE Being Built For GNOME
  2. GDB 7.8 Betters Python Scripting, Adds Guile Support
  3. GNOME's GTK+ Is Still Striving For A Scene Graph, Canvas API
  4. Unreal Tournament Looks Great For Team Deathmatch
  5. LibreOffice 4.3 Released With Many Exciting Changes
  6. GNOME/GTK On Wayland Gains Focus At GUADEC
  7. GNOME Stakeholders Take Issue With Groupon Over their Gnome
  8. GStreamer VA-API Plug-In Update Adds New Features
  9. Qt 5.4 Going Into Feature Freeze Next Week With Exciting Changes
  10. OpenSUSE Factory Turns Into Rolling Release Distribution
Latest Forum Discussions
  1. Grand Theft Auto Running On Direct3D Natively On Linux Shows Gallium3D Potential
  2. Debian + radeonsi
  3. Open-source drivers on ATI R7 260X
  4. AMD Athlon 5350 APU On Linux
  5. Linus Torvalds On GCC 4.9: Pure & Utter Crap
  6. Updated and Optimized Ubuntu Free Graphics Drivers
  7. List of Linux friendly Kickstarter projects
  8. Porting Mesa to the Playstation 2