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    Subject[PATCH-v2 0/4] Bugfixes for .39-rc8
    From: Nicholas Bellinger <>

    Hi James and Co,

    This series is resend of four patches that should be considered critical
    target core bugfixes for .39 that have been under stress testing in a
    couple of different labs recently using lio-core-2.6.git/lio-4.1 (.39-rcX)
    and /lio-4.0 (.38.3) branch code.

    These are all important bugfixes that are required to run with in-flight
    .40 HW target drivers in the upstream LIO tree. This includes fixes for
    the main transport_do_task_sg_chain() Data I/O mapping logic, and
    task->task_sg[] shutdown path from MSI-X interrupt context. These bugfixes
    apply for all of the following HW fabric drivers:

    tcm_fc(openfcoe) w/ ddp offload, tcm_qla2xxx, ib_srpt and ibmvscsis.

    These patches address issues that are able to easily produce OOPsen with
    small backstore max_sectors values. Please review+apply for .39 and
    also queue into for .38.

    The series is also available here for a direct pull:

    git:// for-39-rc-fixes

    and has been made against the following scsi-rc-fixes-2.6.git HEAD:

    commit c055f5b2614b4f758ae6cc86733f31fa4c2c5844
    Author: James Bottomley <>
    Date: Sun May 1 09:42:07 2011 -0500

    [SCSI] fix oops in scsi_run_queue()



    Nicholas Bellinger (4):
    target: Fix multi task->task_sg[] chaining logic bug
    target: Fix interrupt context bug with stats_lock and
    target: Fix bug with task_sg chained transport_free_dev_tasks release
    target: Fix task->task_execute_queue=1 clear bug + LUN_RESET OOPs

    drivers/target/target_core_device.c | 4 +-
    drivers/target/target_core_tmr.c | 7 +++--
    drivers/target/target_core_transport.c | 46 +++++++++++++++++++++++--------
    include/target/target_core_base.h | 1 +
    include/target/target_core_transport.h | 1 +
    5 files changed, 42 insertions(+), 17 deletions(-)


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