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New in Linux 5.15: XFS and EROFS, HWMON and ACPI, Realtek Driver

Submitted by Roy Schestowitz on Wednesday 1st of September 2021 08:37:03 PM Filed under
Linux
  • XFS & EROFS File-Systems Have Big Changes For Linux 5.15 - Phoronix

    In addition to Btrfs sporting new features with Linux 5.15, the XFS and EROFS file-systems also have some shiny new features and improvements for this next version of the Linux kernel.

    XFS for Linux 5.15 has "a lot in this cycle" from fixes to features. XFS with Linux 5.15 now has batch inode activations in per-CPU background threads that should improve directory tree deletion times. Pipelining has also been enabled for the XFS log that should help with performance around handling of lots of metadata updates. XFS also has proposed inode btree counters and support for dates beyond Year 2038 as being officially supported features. Both the inode btree counters and Y2038 handling should be enabled by default with future xfsprogs updates.

  • Linux 5.15 Hardware Monitoring Is Big But Overdue For AMD - Phoronix

    The Linux 5.15 hardware monitoring "HWMON" subsystem changes were sent out and now merged for this next kernel version. Particularly notable this cycle is AMD catching up on some of their sensors support.

    First up, this HWMON update is the one that finally adds Zen 3 APU temperature monitoring support. The Zen 3 APU temperature monitoring is only landing now for the Linux 5.15 cycle even though these APUs have been found in desktops and laptops for months. It was just missing the necessary model ID in the k10temp driver but wasn't addressed until a community member sent in the patch for adding it to the driver.

  • Linux 5.15 Power Management Changes Merged - Phoronix

    The ACPI and power management changes have landed for the Linux 5.15 merge window.

    As usual, Intel's Rafael Wysocki punctually submitted all his new feature pull requests for the new merge window. This time around though the power management changes aren't particularly exciting. No exciting changes around new hardware support or the like...

  • Linux 5.15 Staging Replaces Its Realtek RTL8188EU WiFi Driver - Phoronix

    The staging updates for Linux 5.15 continue to have a lot of code churn including some drivers being promoted while one Realtek WiFi driver has been replaced.

    Linux has long had the "rtl8188eu" driver as part of the kernel's staging area for supporting this Realtek RTL8188EU 802.11 b/g/n WiFi chip for USB adapters. The RTL8188EU can be found in a number of different USB WiFi adapters including some still available via retail channels while now its Linux staging driver has been replaced.

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