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authorHans Wippel <hwippel@linux.ibm.com>2018-05-18 09:34:17 +0200
committerDavid S. Miller <davem@davemloft.net>2018-05-18 13:15:02 -0400
commit6511aad3f0392f37630b4f7f96fbc192dc54b29f (patch)
tree1eac64afab29e22e30dde20d6692ae1f18d39d08 /net/smc/smc_core.c
parent8437bda0d47bd8ffb2675e7601978f3ffde767ad (diff)
net/smc: change smc_buf_free function parameters
This patch changes the function smc_buf_free to use the SMC link group instead of the link as function parameter. Also, it changes the order of the other two parameters. 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/smc_core.c')
-rw-r--r--net/smc/smc_core.c26
1 files changed, 12 insertions, 14 deletions
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index c63cf7b07ccc..1e5c0e90a706 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -36,8 +36,8 @@ static struct smc_lgr_list smc_lgr_list = { /* established link groups */
.num = 0,
};
-static void smc_buf_free(struct smc_buf_desc *buf_desc, struct smc_link *lnk,
- bool is_rmb);
+static void smc_buf_free(struct smc_link_group *lgr, bool is_rmb,
+ struct smc_buf_desc *buf_desc);
static void smc_lgr_schedule_free_work(struct smc_link_group *lgr)
{
@@ -249,14 +249,12 @@ static void smc_buf_unuse(struct smc_connection *conn)
} else {
/* buf registration failed, reuse not possible */
struct smc_link_group *lgr = conn->lgr;
- struct smc_link *lnk;
write_lock_bh(&lgr->rmbs_lock);
list_del(&conn->rmb_desc->list);
write_unlock_bh(&lgr->rmbs_lock);
- lnk = &lgr->lnk[SMC_SINGLE_LINK];
- smc_buf_free(conn->rmb_desc, lnk, true);
+ smc_buf_free(lgr, true, conn->rmb_desc);
}
}
}
@@ -282,9 +280,11 @@ static void smc_link_clear(struct smc_link *lnk)
smc_wr_free_link_mem(lnk);
}
-static void smc_buf_free(struct smc_buf_desc *buf_desc, struct smc_link *lnk,
- bool is_rmb)
+static void smc_buf_free(struct smc_link_group *lgr, bool is_rmb,
+ struct smc_buf_desc *buf_desc)
{
+ struct smc_link *lnk = &lgr->lnk[SMC_SINGLE_LINK];
+
if (is_rmb) {
if (buf_desc->mr_rx[SMC_SINGLE_LINK])
smc_ib_put_memory_region(
@@ -303,7 +303,6 @@ static void smc_buf_free(struct smc_buf_desc *buf_desc, struct smc_link *lnk,
static void __smc_lgr_free_bufs(struct smc_link_group *lgr, bool is_rmb)
{
- struct smc_link *lnk = &lgr->lnk[SMC_SINGLE_LINK];
struct smc_buf_desc *buf_desc, *bf_desc;
struct list_head *buf_list;
int i;
@@ -316,7 +315,7 @@ static void __smc_lgr_free_bufs(struct smc_link_group *lgr, bool is_rmb)
list_for_each_entry_safe(buf_desc, bf_desc, buf_list,
list) {
list_del(&buf_desc->list);
- smc_buf_free(buf_desc, lnk, is_rmb);
+ smc_buf_free(lgr, is_rmb, buf_desc);
}
}
}
@@ -627,7 +626,7 @@ static struct smc_buf_desc *smc_new_buf_create(struct smc_link_group *lgr,
rc = sg_alloc_table(&buf_desc->sgt[SMC_SINGLE_LINK], 1,
GFP_KERNEL);
if (rc) {
- smc_buf_free(buf_desc, lnk, is_rmb);
+ smc_buf_free(lgr, is_rmb, buf_desc);
return ERR_PTR(rc);
}
sg_set_buf(buf_desc->sgt[SMC_SINGLE_LINK].sgl,
@@ -638,7 +637,7 @@ static struct smc_buf_desc *smc_new_buf_create(struct smc_link_group *lgr,
is_rmb ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
/* SMC protocol depends on mapping to one DMA address only */
if (rc != 1) {
- smc_buf_free(buf_desc, lnk, is_rmb);
+ smc_buf_free(lgr, is_rmb, buf_desc);
return ERR_PTR(-EAGAIN);
}
@@ -649,7 +648,7 @@ static struct smc_buf_desc *smc_new_buf_create(struct smc_link_group *lgr,
IB_ACCESS_LOCAL_WRITE,
buf_desc);
if (rc) {
- smc_buf_free(buf_desc, lnk, is_rmb);
+ smc_buf_free(lgr, is_rmb, buf_desc);
return ERR_PTR(rc);
}
}
@@ -775,8 +774,7 @@ int smc_buf_create(struct smc_sock *smc)
/* create rmb */
rc = __smc_buf_create(smc, true);
if (rc)
- smc_buf_free(smc->conn.sndbuf_desc,
- &smc->conn.lgr->lnk[SMC_SINGLE_LINK], false);
+ smc_buf_free(smc->conn.lgr, false, smc->conn.sndbuf_desc);
return rc;
}