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target: remove ->put_session method

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The only instance of ->put_session is in qla2xxx, and was added by commit
aaf68b ("tcm_qla2xxx: Convert to TFO->put_session() usage") with the following
description:

    This patch converts tcm_qla2xxx code to use an internal kref_put() for
    se_session->sess_kref in order to ensure that qla_hw_data->hardware_lock
    can be held while calling qlt_unreg_sess() for the final put.

But these day we're already holding the hardware lock over qlt_unreg_sess in
the ->close_session callback, so we're fine without this method.

(Re-add missing tcm_qla2xxx_release_session + drop put_session usage - nab)

Signed-off-by: Christoph Hellwig <[email protected]>
Acked-by: Himanshu Madhani <[email protected]>
Signed-off-by: Nicholas Bellinger <[email protected]>
This commit is contained in:
Christoph Hellwig 2015-05-03 08:54:42 +02:00 • committed by Nicholas Bellinger
commit afe92323f9
4 changed files with 0 additions and 21 deletions
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1
drivers/xen/xen-scsiback.c
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@ -1817,7 +1817,6 @@ static const struct target_core_fabric_ops scsiback_ops = {
.tpg_get_inst_index = scsiback_tpg_get_inst_index,
.check_stop_free = scsiback_check_stop_free,
.release_cmd = scsiback_release_cmd,
.put_session = NULL,
.shutdown_session = scsiback_shutdown_session,
.close_session = scsiback_close_session,
.sess_get_index = scsiback_sess_get_index,