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From: Tom Talpey <tom@talpey.com>
To: smfrench@gmail.com, linux-cifs@vger.kernel.org
Cc: linkinjeon@kernel.org, senozhatsky@chromium.org,
	bmt@zurich.ibm.com, Tom Talpey <tom@talpey.com>
Subject: [PATCH 3/6] Reduce client smbdirect max receive segment size
Date: Tue, 13 Sep 2022 22:19:34 +0000	[thread overview]
Message-ID: <51241595d597712e4f12cfba521b861b37cbf43b.1663103255.git.tom@talpey.com> (raw)
In-Reply-To: <cover.1663103255.git.tom@talpey.com>

Reduce client smbdirect max segment receive size to 1364 to match
protocol norms. Larger buffers are unnecessary and add significant
memory overhead.

Signed-off-by: Tom Talpey <tom@talpey.com>
---
 fs/cifs/smbdirect.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/cifs/smbdirect.c b/fs/cifs/smbdirect.c
index f81229721b76..4908ca54610c 100644
--- a/fs/cifs/smbdirect.c
+++ b/fs/cifs/smbdirect.c
@@ -90,7 +90,7 @@ int smbd_max_send_size = 1364;
 int smbd_max_fragmented_recv_size = 1024 * 1024;
 
 /*  The maximum single-message size which can be received */
-int smbd_max_receive_size = 8192;
+int smbd_max_receive_size = 1364;
 
 /* The timeout to initiate send of a keepalive message on idle */
 int smbd_keep_alive_interval = 120;
-- 
2.34.1


  parent reply	other threads:[~2022-09-13 22:20 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-13 22:19 [RFC PATCH 0/6] Reduce SMBDirect RDMA SGE counts and sizes Tom Talpey
2022-09-13 22:19 ` [PATCH 1/6] Decrease the number of SMB3 smbdirect client SGEs Tom Talpey
2022-09-13 22:19 ` [PATCH 2/6] Decrease the number of SMB3 smbdirect server SGEs Tom Talpey
2022-09-13 22:19 ` Tom Talpey [this message]
2022-09-13 22:19 ` [PATCH 4/6] Reduce server smbdirect max send/receive segment sizes Tom Talpey
2022-09-13 22:19 ` [PATCH 5/6] Handle variable number of SGEs in client smbdirect send Tom Talpey
2022-09-13 22:19 ` [PATCH 6/6] Fix formatting of client smbdirect RDMA logging Tom Talpey
     [not found] ` <CAH2r5muhROptfZ+fUjhCfwzoeJqNku4Nkpjv63N5WTdhpEWWoA@mail.gmail.com>
2022-09-22 19:35   ` [RFC PATCH 0/6] Reduce SMBDirect RDMA SGE counts and sizes Tom Talpey

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