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

[Alexander Nezhinsky]

Hi

It's been more than 2 weeks since i posted the patches.
Could you guys have a critical look on them?

Thanx
Alexander


On Wed, Jan 16, 2013 at 11:01 AM, <nezhinsky at gmail.com> wrote:
>
> 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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