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Linus Torvalds authored
Pull USB/Thunderbolt updates from Greg KH:
 "Here is the large set of USB and Thunderbolt changes for 6.12-rc1.

  Nothing "major" in here, except for a new 9p network gadget that has
  been worked on for a long time (all of the needed acks are here)

  Other than that, it's the usual set of:

   - Thunderbolt / USB4 driver updates and additions for new hardware

   - dwc3 driver updates and new features added

   - xhci driver updates

   - typec driver updates

   - USB gadget updates and api additions to make some gadgets more
     configurable by userspace

   - dwc2 driver updates

   - usb phy driver updates

   - usbip feature additions

   - other minor USB driver updates

  All of these have been in linux-next for a long time with no reported
  issues"

* tag 'usb-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (145 commits)
  sub: cdns3: Use predefined PCI vendor ID constant
  sub: cdns2: Use predefined PCI vendor ID constant
  USB: misc: yurex: fix race between read and write
  USB: misc: cypress_cy7c63: check for short transfer
  USB: appledisplay: close race between probe and completion handler
  USB: class: CDC-ACM: fix race between get_serial and set_serial
  usb: r8a66597-hcd: make read-only const arrays static
  usb: typec: ucsi: Fix busy loop on ASUS VivoBooks
  usb: dwc3: rtk: Clean up error code in __get_dwc3_maximum_speed()
  usb: storage: ene_ub6250: Fix right shift warnings
  usb: roles: Improve the fix for a false positive recursive locking complaint
  locking/mutex: Introduce mutex_init_with_key()
  locking/mutex: Define mutex_init() once
  net/9p/usbg: fix CONFIG_USB_GADGET dependency
  usb: xhci: fix loss of data on Cadence xHC
  usb: xHCI: add XHCI_RESET_ON_RESUME quirk for Phytium xHCI host
  usb: dwc3: imx8mp: disable SS_CON and U3 wakeup for system sleep
  usb: dwc3: imx8mp: add 2 software managed quirk properties for host mode
  usb: host: xhci-plat: Parse xhci-missing_cas_quirk and apply quirk
  usb: misc: onboard_usb_dev: add Microchip usb5744 SMBus programming support
  ...
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Filesystems in the Linux kernel

This under-development manual will, some glorious day, provide comprehensive information on how the Linux virtual filesystem (VFS) layer works, along with the filesystems that sit below it. For now, what we have can be found below.

Core VFS documentation

See these manuals for documentation about the VFS layer itself and how its algorithms work.

Filesystem support layers

Documentation for the support code within the filesystem layer for use in filesystem implementations.

Filesystems

Documentation for filesystem implementations.