net/smc: no delay for free tx buffer wait

When no free transfer buffers are available then a work to call
smc_tx_work() is scheduled. Set the schedule delay to zero, because for
the out-of-buffers condition the work can start immediately and will
block in the called function smc_wr_tx_get_free_slot(), waiting for free
buffers.

Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/smc/smc_tx.c b/net/smc/smc_tx.c
index dd10a913b38e73aa24e6555512335e91db7cf633..a3bff08ff8c8717c3d31e97f176ad3a030d7769c 100644 (file)
--- a/net/smc/smc_tx.c
+++ b/net/smc/smc_tx.c
@@ -28,7 +28,7 @@
 #include "smc_ism.h"
 #include "smc_tx.h"
 
-#define SMC_TX_WORK_DELAY      HZ
+#define SMC_TX_WORK_DELAY      0
 #define SMC_TX_CORK_DELAY      (HZ >> 2)       /* 250 ms */
 
 /***************************** sndbuf producer *******************************/