Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending

Pull SCSI target fixes from Nicholas Bellinger:
 "Here are the outstanding target pending fixes for v3.12-rc7.

  This includes a number of EXTENDED_COPY related fixes as a result of
  Thomas and Doug's continuing testing and feedback.

  Also included is an important vhost/scsi fix that addresses a long
  standing issue where the 'write' parameter for get_user_pages_fast()
  was incorrectly set for virtio-scsi WRITEs -> DMA_TO_DEVICE, and not
  for virtio-scsi READs -> DMA_FROM_DEVICE.

  This resulted in random userspace segfaults and other unpleasantness
  on KVM host, and unfortunately has been an issue since the initial
  merge of vhost/scsi in v3.6.  This patch is CC'ed to stable, along
  with two other less critical items"

* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  vhost/scsi: Fix incorrect usage of get_user_pages_fast write parameter
  target/pscsi: fix return value check
  target: Fail XCOPY for non matching source + destination block_size
  target: Generate failure for XCOPY I/O with non-zero scsi_status
  target: Add missing XCOPY I/O operation sense_buffer
  iser-target: check device before dereferencing its variable
  target: Return an error for WRITE SAME with ANCHOR==1
  target: Fix assignment of LUN in tracepoints
  target: Reject EXTENDED_COPY when emulate_3pc is disabled
  target: Allow non zero ListID in EXTENDED_COPY parameter list
  target: Make target_do_xcopy failures return INVALID_PARAMETER_LIST

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