Changes

Merge tag 'nfs-for-6.17-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client fixes from Trond Myklebust:
 "Stable patches:

   - Revert "SUNRPC: Don't allow waiting for exiting tasks" as it is
     breaking ltp tests

  Bugfixes:

   - Another set of fixes to the tracking of NFSv4 server capabilities
     when crossing filesystem boundaries

   - Localio fix to restore credentials and prevent triggering a
     BUG_ON()

   - Fix to prevent flapping of the localio on/off trigger

   - Protections against 'eof page pollution' as demonstrated in
     xfstests generic/363

   - Series of patches to ensure correct ordering of O_DIRECT i/o and
     truncate, fallocate and copy functions

   - Fix a NULL pointer check in flexfiles reads that regresses 6.17

   - Correct a typo that breaks flexfiles layout segment processing"

* tag 'nfs-for-6.17-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  NFSv4/flexfiles: Fix layout merge mirror check.
  SUNRPC: call xs_sock_process_cmsg for all cmsg
  Revert "SUNRPC: Don't allow waiting for exiting tasks"
  NFS: Fix the marking of the folio as up to date
  NFS: nfs_invalidate_folio() must observe the offset and size arguments
  NFSv4.2: Serialise O_DIRECT i/o and copy range
  NFSv4.2: Serialise O_DIRECT i/o and clone range
  NFSv4.2: Serialise O_DIRECT i/o and fallocate()
  NFS: Serialise O_DIRECT i/o and truncate()
  NFSv4.2: Protect copy offload and clone against 'eof page pollution'
  NFS: Protect against 'eof page pollution'
  flexfiles/pNFS: fix NULL checks on result of ff_layout_choose_ds_for_read
  nfs/localio: avoid bouncing LOCALIO if nfs_client_is_local()
  nfs/localio: restore creds before releasing pageio data
  NFSv4: Clear the NFS_CAP_XATTR flag if not supported by the server
  NFSv4: Clear NFS_CAP_OPEN_XOR and NFS_CAP_DELEGTIME if not supported
  NFSv4: Clear the NFS_CAP_FS_LOCATIONS flag if it is not set
  NFSv4: Don't clear capabilities that won't be reset