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net/smc: Correct smc link connection counter in case of smc client
SMC clients may be assigned to a different link after the initial
connection between two peers was established. In such a case,
the connection counter was not correctly set.
Update the connection counter correctly when a smc client connection
is assigned to a different smc link.
Fixes: 07d51580ff
("net/smc: Add connection counters for links")
Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com>
Tested-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
8f3d65c166
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@ -795,7 +795,7 @@ static int smc_connect_rdma(struct smc_sock *smc,
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reason_code = SMC_CLC_DECL_NOSRVLINK;
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goto connect_abort;
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}
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smc->conn.lnk = link;
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smc_switch_link_and_count(&smc->conn, link);
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}
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/* create send buffer and rmb */
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@ -917,8 +917,8 @@ static int smc_switch_cursor(struct smc_sock *smc, struct smc_cdc_tx_pend *pend,
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return rc;
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}
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static void smc_switch_link_and_count(struct smc_connection *conn,
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struct smc_link *to_lnk)
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void smc_switch_link_and_count(struct smc_connection *conn,
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struct smc_link *to_lnk)
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{
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atomic_dec(&conn->lnk->conn_cnt);
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conn->lnk = to_lnk;
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@ -446,6 +446,8 @@ void smc_core_exit(void);
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int smcr_link_init(struct smc_link_group *lgr, struct smc_link *lnk,
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u8 link_idx, struct smc_init_info *ini);
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void smcr_link_clear(struct smc_link *lnk, bool log);
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void smc_switch_link_and_count(struct smc_connection *conn,
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struct smc_link *to_lnk);
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int smcr_buf_map_lgr(struct smc_link *lnk);
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int smcr_buf_reg_lgr(struct smc_link *lnk);
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void smcr_lgr_set_type(struct smc_link_group *lgr, enum smc_lgr_type new_type);
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