Re: [PATCH 0/3] Fix a race condition in the target driver

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On 3/13/20 9:12 AM, Maurizio Lombardi wrote:
Multiple threads may try to destroy the same iscsi session
structure by calling iscsit_close_session() and then end
up hanging.

This patchset modifies the driver so the session
structure is destroyed by iscsit_close_connection() when
the last connection gets closed, thus preventing
the race condition.

Maurizio Lombardi (3):
   target: remove boilerplate code
   target: fix target hang when multiple threads try to destroy the same
     iscsi session.
   iscsi target: calling iscsit_stop_session() inside
     iscsit_close_session() has no effect

  drivers/target/iscsi/iscsi_target.c          | 82 ++++++--------------
  drivers/target/iscsi/iscsi_target.h          |  1 -
  drivers/target/iscsi/iscsi_target_configfs.c |  5 +-
  drivers/target/iscsi/iscsi_target_login.c    |  5 +-
  include/target/iscsi/iscsi_target_core.h     |  2 +-
  5 files changed, 32 insertions(+), 63 deletions(-)


Hi Mike, Varun and Rahul,

This patch series may affect the iSER target driver so you may want to verify this patch series on your test setups.

Thanks,

Bart.



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