diff options
Diffstat (limited to 'net/sunrpc/xprt.c')
| -rw-r--r-- | net/sunrpc/xprt.c | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 069a6cbd49ea..8bc0d5acf0da 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -119,6 +119,17 @@ out_sleep: return 0; } +static void xprt_clear_locked(struct rpc_xprt *xprt) +{ + xprt->snd_task = NULL; + if (!test_bit(XPRT_CLOSE_WAIT, &xprt->state) || xprt->shutdown) { + smp_mb__before_clear_bit(); + clear_bit(XPRT_LOCKED, &xprt->state); + smp_mb__after_clear_bit(); + } else + schedule_work(&xprt->task_cleanup); +} + /* * xprt_reserve_xprt_cong - serialize write access to transports * @task: task that is requesting access to the transport @@ -145,9 +156,7 @@ int xprt_reserve_xprt_cong(struct rpc_task *task) } return 1; } - smp_mb__before_clear_bit(); - clear_bit(XPRT_LOCKED, &xprt->state); - smp_mb__after_clear_bit(); + xprt_clear_locked(xprt); out_sleep: dprintk("RPC: %4d failed to lock transport %p\n", task->tk_pid, xprt); task->tk_timeout = 0; @@ -193,9 +202,7 @@ static void __xprt_lock_write_next(struct rpc_xprt *xprt) return; out_unlock: - smp_mb__before_clear_bit(); - clear_bit(XPRT_LOCKED, &xprt->state); - smp_mb__after_clear_bit(); + xprt_clear_locked(xprt); } static void __xprt_lock_write_next_cong(struct rpc_xprt *xprt) @@ -222,9 +229,7 @@ static void __xprt_lock_write_next_cong(struct rpc_xprt *xprt) return; } out_unlock: - smp_mb__before_clear_bit(); - clear_bit(XPRT_LOCKED, &xprt->state); - smp_mb__after_clear_bit(); + xprt_clear_locked(xprt); } /** @@ -237,10 +242,7 @@ out_unlock: void xprt_release_xprt(struct rpc_xprt *xprt, struct rpc_task *task) { if (xprt->snd_task == task) { - xprt->snd_task = NULL; - smp_mb__before_clear_bit(); - clear_bit(XPRT_LOCKED, &xprt->state); - smp_mb__after_clear_bit(); + xprt_clear_locked(xprt); __xprt_lock_write_next(xprt); } } @@ -256,10 +258,7 @@ void xprt_release_xprt(struct rpc_xprt *xprt, struct rpc_task *task) void xprt_release_xprt_cong(struct rpc_xprt *xprt, struct rpc_task *task) { if (xprt->snd_task == task) { - xprt->snd_task = NULL; - smp_mb__before_clear_bit(); - clear_bit(XPRT_LOCKED, &xprt->state); - smp_mb__after_clear_bit(); + xprt_clear_locked(xprt); __xprt_lock_write_next_cong(xprt); } } |