diff options
| author |   Hans Wippel <hwippel@linux.ibm.com> | 2018-05-18 09:34:13 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-05-18 13:15:01 -0400 |
| commit | 95d8d26306ee19f9ba32b6381571a72ee924a0b6 (patch) | |
| tree | 68647ffb7b30a9f8ccf9e04545155235aad5e1ee /net/smc/af_smc.c | |
| parent | net/smc: rename connection index to RMBE index (diff) | |
| download | linux-dev-95d8d26306ee19f9ba32b6381571a72ee924a0b6.tar.xz linux-dev-95d8d26306ee19f9ba32b6381571a72ee924a0b6.zip | |
net/smc: calculate write offset in RMB only once per connection
Currently, the write offset within the RMB is calculated on each write
operation although it is fixed for each connection. With this patch, the
offset is calculated once and stored in a connection specific variable.
Signed-off-by: Hans Wippel <hwippel@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc/af_smc.c')
| -rw-r--r-- | net/smc/af_smc.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index bd67430f3730..9871604ebb53 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -377,10 +377,13 @@ static int smc_clnt_conf_first_link(struct smc_sock *smc) static void smc_conn_save_peer_info(struct smc_sock *smc, struct smc_clc_msg_accept_confirm *clc) { + int bufsize = smc_uncompress_bufsize(clc->rmbe_size); + smc->conn.peer_rmbe_idx = clc->rmbe_idx; smc->conn.local_tx_ctrl.token = ntohl(clc->rmbe_alert_token); - smc->conn.peer_rmbe_size = smc_uncompress_bufsize(clc->rmbe_size); + smc->conn.peer_rmbe_size = bufsize; atomic_set(&smc->conn.peer_rmbe_space, smc->conn.peer_rmbe_size); + smc->conn.tx_off = bufsize * (smc->conn.peer_rmbe_idx - 1); } static void smc_link_save_peer_info(struct smc_link *link, |