[stgt] [PATCH 00/13] transfer len and resid count handling fixes

[nezhinsky at gmail.com]

From: Alexander Nezhinsky <alexandern at mellanox.com>

These patches fix data-in buffer generation for SPC and SPC-like commands,
correctly accounting for allocation length, introduce explicit transfer length
reporting by SCSI layer, fix and unify residual count caclulation for
over/underflow conditions by iscsi and iser LLDs.

For an extensive comment please see patch:
"transfer_len for scsi_cmd, set together with resid..."

Alexander Nezhinsky (13):
  transfer_len for scsi_cmd, set together with resid; unified resid
    handling for iscsi/iser
  mem_copy_n32: safe memcpy, accumulates copied count, tracks remaining
    space
  spc: fix data-in buffer generation for INQUIRY cmd
  spc: fix data-in buffer generation for REPORT_LUNS cmd
  spc: fix data-in buffer generation for
    REPORT_SUPPORTED_OPERATION_CODES cmd
  spc: fix data-in buffer generation for MOD_SENSE cmd
  spc: fix data-in buffer generation for READ_KEYS action of
    PERSISTENT_RESERVE_IN
  spc: fix data-in buffer generation for READ_RESERVATION of
    PERSISTENT_RESERVE_IN
  spc: fix data-in buffer generation for REPORT_CAPABILITIES of
    PERSISTENT_RESERVE_IN
  spc: fix data-in buffer generation for REQUEST_SENSE cmd
  sbc: fix data-in buffer generation for READ_CAPACITY(16)
  sbc: fix data-in buffer generation for GET_LBA_STATUS
  bs_sg: fix residual count handling for sg and bsg, account for
    direction

 usr/bs_sg.c        |   30 ++++--
 usr/iscsi/iscsid.c |   91 ++++++++--------
 usr/iscsi/iscsid.h |    1 +
 usr/iscsi/iser.c   |   46 +-------
 usr/sbc.c          |  110 ++++++++++---------
 usr/scsi_cmnd.h    |   39 +++++--
 usr/spc.c          |  305 ++++++++++++++++++++++++++--------------------------
 usr/target.c       |    7 ++
 usr/util.c         |   31 ++++++
 usr/util.h         |    4 +
 10 files changed, 352 insertions(+), 312 deletions(-)

-- 
1.7.9.6

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