XFS File-System Updates For The Linux 4.9 Kernel
Written by Michael Larabel in Linux Storage on 6 October 2016 at 06:29 AM EDT. Add A Comment
LINUX STORAGE --
Dave Chinner has submitted his XFS file-system updates for the Linux 4.9 kernel. This time around most of the changes are internal to the open-source file-system rather than boasting new end-user features.

XFS for Linux 4.9 has improvements to the iomap-based DAX infrastructure, iomap fixes and changes, more efficient XFS delayed allocation using iomap, preparation patches for upcoming reflink support, and other prep changes and internal improvements.

Chinner commented in the pull request, "The main things in this update are the iomap-based DAX infrastructure, an XFS delalloc rework, and a chunk of fixes to how log recovery schedules writeback to prevent spurious corruption detections when recovery of certain items was not required. The other main chunk of code is some preparation for the upcoming reflink functionality. Most of it is generic and cleanups that stand alone, but they were ready and reviewed so are in this pull request."

Dave is hoping to send in the reflink work next week for XFS on Linux 4.9 still.

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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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