Btrfs In Linux 4.2 Brings Quota Updates, Many Fixes

Written by Michael Larabel in Linux Storage on 29 June 2015 at 07:24 PM EDT. 9 Comments
Adding to the already lengthy list of new features for Linux 4.2 is the Btrfs file-system updates that were sent in today by Facebook's Chris Mason.

The Btrfs file-system update for Linux 4.2 includes sub-volume quota updates, sysfs improvements, device management improvements, and various other changes. In total around 1,700 lines of Btrfs code were touched for this merge window.

More details via this pull request. As always, over at are daily, automated performance tests of the latest mainline Git kernel code across numerous subsystems -- there's several systems in the farm that are happily running with Btrfs for their root file-system. We'll also have our usual concise file-system tests on as the Linux 4.2 release nears in the weeks ahead.
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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, LinkedIn, or contacted via

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