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Merge r7412 from trunk

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git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/3.3.x@7669 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2018-11-04 03:42:28 +00:00
parent dd5218563b
commit 5bdf1f100d
1 changed files with 14 additions and 4 deletions
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18
srpt/src/ib_srpt.c
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@@ -2494,8 +2494,16 @@ static u16 srpt_next_comp_vector(struct srpt_port *sport)
return comp_vector;
}
/*
* srpt_cm_req_recv() - Process the IB_CM_REQ_RECEIVED event.
/**
* srpt_cm_req_recv - process the event IB_CM_REQ_RECEIVED
* @sdev: HCA through which the login request was received.
* @ib_cm_id: IB/CM connection identifier in case of IB/CM.
* @rdma_cm_id: RDMA/CM connection identifier in case of RDMA/CM.
* @port_num: Port through which the REQ message was received.
* @pkey: P_Key of the incoming connection.
* @req: SRP login request.
* @src_addr: GID (IB/CM) or IP address (RDMA/CM) of the port that submitted
* the login request.
*
* Ownership of the cm_id is transferred to the target session if this
* function returns zero. Otherwise the caller remains the owner of cm_id.
@@ -2597,8 +2605,9 @@ static int srpt_cm_req_recv(struct srpt_device *const sdev,
rdma_cm_id->context = ch;
}
/*
* Avoid QUEUE_FULL conditions by limiting the number of buffers used
* for the SRP protocol to the SCST SCSI command queue size.
* ch->rq_size should be at least as large as the initiator queue
* depth to avoid that the initiator driver has to report QUEUE_FULL
* to the SCSI mid-layer.
*/
ch->rq_size = min(MAX_SRPT_RQ_SIZE, scst_get_max_lun_commands(NULL, 0));
spin_lock_init(&ch->spinlock);
@@ -2804,6 +2813,7 @@ reject:
rej->tag = req->tag;
rej->buf_fmt = cpu_to_be16(SRP_BUF_FORMAT_DIRECT |
SRP_BUF_FORMAT_INDIRECT);
if (rdma_cm_id)
rdma_reject(rdma_cm_id, rej, sizeof(*rej));
else