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ksmbd: decrease the number of SMB3 smbdirect server SGEs

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The server-side SMBDirect layer requires no more than 6 send SGEs
The previous default of 8 causes ksmbd to fail on the SoftiWARP
(siw) provider, and possibly others. Additionally, large numbers
of SGEs reduces performance significantly on adapter implementations.

Signed-off-by: Tom Talpey <tom@talpey.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Tom Talpey
2022-09-23 21:53:56 +00:00
committed by Steve French
parent b1763d265a
commit 2b4eeeaa90
1 changed files with 1 additions and 1 deletions
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2
fs/ksmbd/transport_rdma.c
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@@ -32,7 +32,7 @@
/* SMB_DIRECT negotiation timeout in seconds */ /* SMB_DIRECT negotiation timeout in seconds */
#define SMB_DIRECT_NEGOTIATE_TIMEOUT 120 #define SMB_DIRECT_NEGOTIATE_TIMEOUT 120
#define SMB_DIRECT_MAX_SEND_SGES 8 #define SMB_DIRECT_MAX_SEND_SGES 6
#define SMB_DIRECT_MAX_RECV_SGES 1 #define SMB_DIRECT_MAX_RECV_SGES 1
/* /*