[GIT PULL] smb3 client fixes

[Steve French]

Please pull the following changes since commit
b5013d084e03e82ceeab4db8ae8ceeaebe76b0eb:

  Merge tag '5.16-rc-part1-smb3-client-fixes' of
git://git.samba.org/sfrench/cifs-2.6 (2021-11-06 16:47:53 -0700)

are available in the Git repository at:

  git://git.samba.org/sfrench/cifs-2.6.git tags/5.16-rc-part2-smb3-client-fixes

for you to fetch changes up to 46bb1b9484aeaf701da50c9ee063f3e93ce2a37b:

  cifs: do not duplicate fscache cookie for secondary channels
(2021-11-12 23:29:08 -0600)

----------------------------------------------------------------
23 cifs/smb3 fixes, including:
- improvements to reconnect and multichannel
- a performance improvement (additional use of SMB3 compounding)
- DFS code cleanup and improvements
- various trivial Coverity fixes
- two fscache fixes
- an fsync fix

Regression test results:
http://smb3-test-rhel-75.southcentralus.cloudapp.azure.com/#/builders/2/builds/836
----------------------------------------------------------------
Paulo Alcantara (8):
      cifs: fix print of hdr_flags in dfscache_proc_show()
      cifs: introduce new helper for cifs_reconnect()
      cifs: convert list_for_each to entry variant
      cifs: split out dfs code from cifs_reconnect()
      cifs: set a minimum of 120s for next dns resolution
      cifs: support nested dfs links over reconnect
      cifs: fix memory leak of smb3_fs_context_dup::server_hostname
      cifs: fix potential use-after-free bugs

Shyam Prasad N (7):
      cifs: nosharesock should not share socket with future sessions
      cifs: send workstation name during ntlmssp session setup
      cifs: for compound requests, use open handle if possible
      cifs: do not negotiate session if session already exists
      cifs: protect session channel fields with chan_lock
      cifs: connect individual channel servers to primary channel server
      cifs: do not duplicate fscache cookie for secondary channels

Steve French (8):
      smb3: do not error on fsync when readonly
      smb3: remove trivial dfs compile warning
      smb3: add additional null check in SMB2_ioctl
      smb3: add additional null check in SMB2_open
      smb3: add additional null check in SMB2_tcon
      cifs: release lock earlier in dequeue_mid error case
      smb3: add additional null check in SMB311_posix_mkdir
      smb3: do not setup the fscache_super_cookie until fsinfo initialized

 fs/cifs/cifs_debug.c   |    7 +-
 fs/cifs/cifs_dfs_ref.c |   59 +--
 fs/cifs/cifs_fs_sb.h   |    5 -
 fs/cifs/cifsglob.h     |   47 +-
 fs/cifs/cifsproto.h    |   10 +-
 fs/cifs/connect.c      | 1468
+++++++++++++++++++++++++++++++++-----------------------------
 fs/cifs/dfs_cache.c    |   46 +-
 fs/cifs/file.c         |   35 +-
 fs/cifs/fs_context.c   |   36 +-
 fs/cifs/fs_context.h   |    1 +
 fs/cifs/fscache.c      |    8 +
 fs/cifs/misc.c         |   64 +--
 fs/cifs/ntlmssp.h      |    4 +-
 fs/cifs/sess.c         |  240 ++++++----
 fs/cifs/smb2inode.c    |   22 +-
 fs/cifs/smb2ops.c      |   10 +-
 fs/cifs/smb2pdu.c      |   52 ++-
 fs/cifs/transport.c    |    3 +
 18 files changed, 1184 insertions(+), 933 deletions(-)

--
Thanks,

Steve