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authorBart Van Assche <bvanassche@acm.org>2020-02-12 21:08:59 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-02-28 15:42:54 +0100
commit78472fe32c58deee3269f20947076461d3fb443d (patch)
tree82192e763c28d558db764c8ab2d086d0a3ec7869 /drivers/infiniband
parent90bed5a25678d9af1a0d75abf4fd335b4122e707 (diff)
scsi: Revert "RDMA/isert: Fix a recently introduced regression related to logout"
commit 76261ada16dcc3be610396a46d35acc3efbda682 upstream. Since commit 04060db41178 introduces soft lockups when toggling network interfaces, revert it. Link: https://marc.info/?l=target-devel&m=158157054906196 Cc: Rahul Kundu <rahul.kundu@chelsio.com> Cc: Mike Marciniszyn <mike.marciniszyn@intel.com> Cc: Sagi Grimberg <sagi@grimberg.me> Reported-by: Dakshaja Uppalapati <dakshaja@chelsio.com> Fixes: 04060db41178 ("scsi: RDMA/isert: Fix a recently introduced regression related to logout") Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 0d2ab9a2cf44..02a5e2d7e574 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -2555,6 +2555,17 @@ isert_wait4logout(struct isert_conn *isert_conn)
}
}
+static void
+isert_wait4cmds(struct iscsi_conn *conn)
+{
+ isert_info("iscsi_conn %p\n", conn);
+
+ if (conn->sess) {
+ target_sess_cmd_list_set_waiting(conn->sess->se_sess);
+ target_wait_for_sess_cmds(conn->sess->se_sess);
+ }
+}
+
/**
* isert_put_unsol_pending_cmds() - Drop commands waiting for
* unsolicitate dataout
@@ -2602,6 +2613,7 @@ static void isert_wait_conn(struct iscsi_conn *conn)
ib_drain_qp(isert_conn->qp);
isert_put_unsol_pending_cmds(conn);
+ isert_wait4cmds(conn);
isert_wait4logout(isert_conn);
queue_work(isert_release_wq, &isert_conn->release_work);