BFQ & CFQ Improvements Land In Linux 4.14
Written by Michael Larabel in Linux Storage on 8 September 2017 at 06:19 AM EDT. 17 Comments
Linus Torvalds has pulled in the block layer updates for the Linux 4.14 kernel merge window.

Jens Axboe considers the new block material for Linux 4.14 to be a "quiet series", but there still are some hearty updates.

Included in this pull are many different fixes, several BFQ improvements, CFQ improvements, support for cgroup info in blktrace, error handling fixes, improvements to IO stats tracking for blk-mq, prep work for NVMe multi-pathing, and other material.

I've been told by Paolo Valente that the BFQ updates should be noticeable. I'll be working on some fresh Linux 4.14 disk/storage tests shortly.
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Michael Larabel is the principal author of 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 automated benchmarking software. He can be followed via Twitter or contacted via

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