EXT4's Fast Commit Feature Faster & More Scalable With Linux 5.18

Written by Michael Larabel in Linux Storage on 30 March 2022 at 01:39 PM EDT. 2 Comments
Last week the EXT4 file-system feature updates were submitted and merged for the ongoing Linux 5.18 merge window.

This time around most of the EXT4 changes for Linux 5.18 amount to bug fixes, but there are some notable ones at that. EXT4 has fixes pertaining to its recent switch to the new mount API and also a number of fixes/improvements to the "fast_commit" functionality.

The EXT4 "fast_commit" mount option allows for reducing some commit latency in the ordered data mode. This journaling optimization was introduced back in Linux 5.10. With Linux 5.18, the EXT4 fast commits mode should now be even faster and offer greater scalability.

The prior patch series overview on the work now merged into Linux 5.18 for improving EXT4's fast commit mode.

For more details and the full list of EXT4 patches for the Linux 5.18 merge window via the PR.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.

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