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authorDave Airlie <airlied@redhat.com>2021-10-28 07:59:38 +0300
committerDave Airlie <airlied@redhat.com>2021-10-28 07:59:38 +0300
commit970eae15600a883e4ad27dd0757b18871cc983ab (patch)
tree7aeb639a35ca2ab8b54a5987837f8ac5f96ee5f4 /net/smc/smc_wr.h
parent27f4432577e4f78bbdf15c104748cc738db8eead (diff)
parent3906fe9bb7f1a2c8667ae54e967dc8690824f4ea (diff)
downloadlinux-970eae15600a883e4ad27dd0757b18871cc983ab.tar.xz
BackMerge tag 'v5.15-rc7' into drm-next
The msm next tree is based on rc3, so let's just backmerge rc7 before pulling it in. Signed-off-by: Dave Airlie <airlied@redhat.com>
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);