Btrfs Changes For Linux 4.21 Prepped With Swapfile Support, Logging Improvements
Written by Michael Larabel in Linux Kernel on 19 December 2018 at 02:50 PM EST. 12 Comments
LINUX KERNEL --
Due to the Linux 4.21 merge window expected to open up next week just prior to Christmas, some kernel subsystem maintainers who won't be around in the days ahead have been sending in their pull requests early. Among those with early feature pulls is David Sterba continuing to oversee the Btrfs file-system development.

Most notable to Btrfs in Linux 4.21 is the long-awaited support for swap files on Btrfs is now working but with a number of limitations for the time being, such as no compression or snapshotting.

Other Btrfs work for Linux 4.21 includes the ability to assign a new file-system UUID without overwriting all metadata blocks, more balance messages being printed to the system log, and a variety of file-system fixes.

The complete list of the dozens of patches for Btrfs can be found via this pull request.

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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 10,000 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 or contacted via MichaelLarabel.com.

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