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net/smc: Use sysctl-specified types of buffers in new link group 

This patch introduces a new SMC-R specific element buf_type
in struct smc_link_group, for recording the value of sysctl
smcr_buf_type when link group is created.

New created link group will create and reuse buffers of the
type specified by buf_type.

Signed-off-by: Wen Gu <guwen@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wen Gu 2022-07-14 17:44:03 +08:00 committed by David S. Miller
parent 4bc5008e43
commit b984f370ed
2 changed files with 2 additions and 0 deletions
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1
net/smc/smc_core.c
View File

@ -907,6 +907,7 @@ static int smc_lgr_create(struct smc_sock *smc, struct smc_init_info *ini)
lgr->net = smc_ib_net(lnk->smcibdev);
lgr_list = &smc_lgr_list.list;
lgr_lock = &smc_lgr_list.lock;
lgr->buf_type = lgr->net->smc.sysctl_smcr_buf_type;
atomic_inc(&lgr_cnt);
}
smc->conn.lgr = lgr;

1
net/smc/smc_core.h
View File

@ -284,6 +284,7 @@ struct smc_link_group {
/* used rtoken elements */
u8 next_link_id;
enum smc_lgr_type type;
enum smcr_buf_type buf_type;
/* redundancy state */
u8 pnet_id[SMC_MAX_PNETID_LEN + 1];
/* pnet id of this lgr */