Merge tag '5.7-rc-smb3-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6

Merge tag '5.7-rc-smb3-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs updates from Steve French:
 "First part of cifs/smb3 changes for merge window (others are still
  being tested). Various RDMA (smbdirect) fixes, addition of SMB3.1.1
  POSIX support in readdir, 3 fixes for stable, and a fix for flock.

  Summary:

  New feature:
   - SMB3.1.1 POSIX support in readdir

  Fixes:
   - various RDMA (smbdirect) fixes
   - fix for flock
   - fallocate fix
   - some improved mount warnings
   - two timestamp related fixes
   - reconnect fix
   - three fixes for stable"

* tag '5.7-rc-smb3-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6: (28 commits)
  cifs: update internal module version number
  cifs: Allocate encryption header through kmalloc
  cifs: smbd: Check and extend sender credits in interrupt context
  cifs: smbd: Calculate the correct maximum packet size for segmented SMBDirect send/receive
  smb3: use SMB2_SIGNATURE_SIZE define
  CIFS: Fix bug which the return value by asynchronous read is error
  CIFS: check new file size when extending file by fallocate
  SMB3: Minor cleanup of protocol definitions
  SMB3: Additional compression structures
  SMB3: Add new compression flags
  cifs: smb2pdu.h: Replace zero-length array with flexible-array member
  cifs: clear PF_MEMALLOC before exiting demultiplex thread
  cifs: cifspdu.h: Replace zero-length array with flexible-array member
  CIFS: Warn less noisily on default mount
  fs/cifs: fix gcc warning in sid_to_id
  cifs: allow unlock flock and OFD lock across fork
  cifs: do d_move in rename
  cifs: add SMB2_open() arg to return POSIX data
  cifs: plumb smb2 POSIX dir enumeration
  cifs: add smb2 POSIX info level
  ...