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target: fix ALUA transition timeout handling

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[ Upstream commit d7175373f2 ]

The implicit transition time tells initiators the min time
to wait before timing out a transition. We currently schedule
the transition to occur in tg_pt_gp_implicit_trans_secs
seconds so there is no room for delays. If
core_alua_do_transition_tg_pt_work->core_alua_update_tpg_primary_metadata
needs to write out info to a remote file, then the initiator can
easily time out the operation.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mike Christie
2017-03-02 04:59:48 -06:00
committed by Greg Kroah-Hartman
parent 0d34f4770e
commit 892e4f9bc2
2 changed files with 9 additions and 16 deletions
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2
include/target/target_core_base.h
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@@ -297,7 +297,7 @@ struct t10_alua_tg_pt_gp {
struct list_head tg_pt_gp_lun_list;
struct se_lun *tg_pt_gp_alua_lun;
struct se_node_acl *tg_pt_gp_alua_nacl;
struct delayed_work tg_pt_gp_transition_work;
struct work_struct tg_pt_gp_transition_work;
struct completion *tg_pt_gp_transition_complete;
};