From: Gioh Kim <gi-oh.kim@ionos.com>
To: linux-rdma@vger.kernel.org
Cc: bvanassche@acm.org, leon@kernel.org, dledford@redhat.com,
jgg@ziepe.ca, haris.iqbal@ionos.com, jinpu.wang@ionos.com,
Jack Wang <jinpu.wang@cloud.ionos.com>,
Gioh Kim <gi-oh.kim@ionos.com>
Subject: [PATCH for-next 19/22] RDMA/rtrs-clt: Cap max_io_size
Date: Thu, 25 Mar 2021 16:33:05 +0100 [thread overview]
Message-ID: <20210325153308.1214057-20-gi-oh.kim@ionos.com> (raw)
In-Reply-To: <20210325153308.1214057-1-gi-oh.kim@ionos.com>
From: Jack Wang <jinpu.wang@cloud.ionos.com>
Max io size is limited by both remote buffer size and
the max fr pages per mr.
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Reviewed-by: Md Haris Iqbal <haris.iqbal@ionos.com>
Signed-off-by: Gioh Kim <gi-oh.kim@ionos.com>
---
drivers/infiniband/ulp/rtrs/rtrs-clt.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
index eb830c66fa44..7e72f0911cf2 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
@@ -2929,7 +2929,9 @@ int rtrs_clt_query(struct rtrs_clt *clt, struct rtrs_attrs *attr)
return -ECOMM;
attr->queue_depth = clt->queue_depth;
- attr->max_io_size = clt->max_io_size;
+ /* Cap max_io_size to min of remote buffer size and the fr pages */
+ attr->max_io_size = min_t(int, clt->max_io_size,
+ clt->max_segments * SZ_4K);
return 0;
}
--
2.25.1
next prev parent reply other threads:[~2021-03-25 15:34 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-25 15:32 [PATCH for-next 00/22] Misc update for rtrs Gioh Kim
2021-03-25 15:32 ` [PATCH for-next 01/22] MAINTAINERS: Change maintainer for rtrs module Gioh Kim
2021-03-25 15:32 ` [PATCH for-next 02/22] RDMA/rtrs: Enable the fault-injection Gioh Kim
2021-03-25 15:32 ` [PATCH for-next 03/22] RDMA/rtrs-clt: Inject a fault at request processing Gioh Kim
2021-03-25 15:32 ` [PATCH for-next 04/22] RDMA/rtrs-srv: Inject a fault at heart-beat sending Gioh Kim
2021-03-25 15:32 ` [PATCH for-next 05/22] docs: fault-injection: Add fault-injection manual of RTRS Gioh Kim
2021-04-01 18:37 ` Jason Gunthorpe
2021-04-01 19:06 ` Gioh Kim
2021-03-25 15:32 ` [PATCH for-next 06/22] RDMA/rtrs-clt: Break if one sess is connected in rtrs_clt_is_connected Gioh Kim
2021-04-01 18:38 ` Jason Gunthorpe
2021-04-06 10:23 ` Gioh Kim
2021-04-06 12:51 ` Jason Gunthorpe
2021-04-06 12:53 ` Gioh Kim
2021-04-06 12:59 ` Gioh Kim
2021-03-25 15:32 ` [PATCH for-next 07/22] RDMA/rtrs-clt: Remove redundant code from rtrs_clt_read_req Gioh Kim
2021-03-25 15:32 ` [PATCH for-next 08/22] RDMA/rtrs: Kill the put label in rtrs_srv_create_once_sysfs_root_folders Gioh Kim
2021-03-25 15:32 ` [PATCH for-next 09/22] RDMA/rtrs: Remove sessname and sess_kobj from rtrs_attrs Gioh Kim
2021-03-25 15:32 ` [PATCH for-next 10/22] RDMA/rtrs: Cleanup the code in rtrs_srv_rdma_cm_handler Gioh Kim
2021-03-25 15:32 ` [PATCH for-next 11/22] RDMA/rtrs-clt: Close rtrs client conn before destroying rtrs clt session files Gioh Kim
2021-03-25 15:32 ` [PATCH for-next 12/22] RDMA/rtrs-clt: Check state of the rtrs_clt_sess before reading its stats Gioh Kim
2021-04-01 18:44 ` Jason Gunthorpe
2021-04-06 8:55 ` Gioh Kim
2021-04-08 12:04 ` Jason Gunthorpe
2021-04-08 12:08 ` Gioh Kim
2021-04-08 13:45 ` Jinpu Wang
2021-04-08 13:50 ` Jason Gunthorpe
2021-04-08 14:44 ` Gioh Kim
2021-04-08 14:51 ` Jason Gunthorpe
2021-04-12 8:41 ` Gioh Kim
2021-03-25 15:32 ` [PATCH for-next 13/22] RDMA/rtrs: New function converting rtrs_addr to string Gioh Kim
2021-03-25 15:33 ` [PATCH for-next 14/22] RDMA/rtrs-clt: Print more info when an error happens Gioh Kim
2021-04-01 18:46 ` Jason Gunthorpe
2021-04-01 19:09 ` Gioh Kim
2021-03-25 15:33 ` [PATCH for-next 15/22] RDMA/rtrs-srv: More debugging info when fail to send reply Gioh Kim
2021-03-25 15:33 ` [PATCH for-next 16/22] RDMA/rtrs-srv: Report temporary sessname for error message Gioh Kim
2021-03-25 15:33 ` [PATCH for-next 17/22] RDMA/rtrs: cleanup unused variable Gioh Kim
2021-04-01 18:50 ` Jason Gunthorpe
2021-03-25 15:33 ` [PATCH for-next 18/22] RDMA/rtrs-clt: Simplify error message Gioh Kim
2021-03-25 15:33 ` Gioh Kim [this message]
2021-03-25 15:33 ` [PATCH for-next 20/22] RDMA/rtrs-clt: Add a minimum latency multipath policy Gioh Kim
2021-03-25 15:33 ` [PATCH for-next 21/22] RDMA/rtrs-clt: new sysfs attribute to print the latency of each path Gioh Kim
2021-03-25 15:33 ` [PATCH for-next 22/22] Documentation/ABI/rtrs-clt: Add descriptions for min-latency policy Gioh Kim
2021-04-01 19:04 ` [PATCH for-next 00/22] Misc update for rtrs Jason Gunthorpe
2021-04-06 9:04 ` Gioh Kim
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