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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-10-18 09:43:37 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-10-18 09:43:37 +0200
commitb5bc8ac25aa1477fee3853718f2673a594efdc4b (patch)
treedcee1a7ae080d573c12a4a0411b9417746ffd343 /net/smc/smc_wr.h
parent1f8818e352f721c49ebea39025f6c98f25756eff (diff)
parent519d81956ee277b4419c723adfb154603c2565ba (diff)
Merge 5.15-rc6 into driver-core-next
We need the driver-core fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/smc/smc_wr.h')
-rw-r--r--net/smc/smc_wr.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/net/smc/smc_wr.h b/net/smc/smc_wr.h
index 423b8709f1c9..2bc626f230a5 100644
--- a/net/smc/smc_wr.h
+++ b/net/smc/smc_wr.h
@@ -60,6 +60,20 @@ static inline void smc_wr_tx_set_wr_id(atomic_long_t *wr_tx_id, long val)
atomic_long_set(wr_tx_id, val);
}
+static inline bool smc_wr_tx_link_hold(struct smc_link *link)
+{
+ if (!smc_link_usable(link))
+ return false;
+ atomic_inc(&link->wr_tx_refcnt);
+ return true;
+}
+
+static inline void smc_wr_tx_link_put(struct smc_link *link)
+{
+ if (atomic_dec_and_test(&link->wr_tx_refcnt))
+ wake_up_all(&link->wr_tx_wait);
+}
+
static inline void smc_wr_wakeup_tx_wait(struct smc_link *lnk)
{
wake_up_all(&lnk->wr_tx_wait);