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Merge branch 'bh-remove'

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This commit is contained in:
Trond Myklebust
2019-06-11 14:19:07 -04:00
parent a332518fda c049f8ea9a
commit 41adafa02e
8 changed files with 167 additions and 91 deletions
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61
net/sunrpc/xprt.c
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@@ -302,9 +302,9 @@ static inline int xprt_lock_write(struct rpc_xprt *xprt, struct rpc_task *task)
if (test_bit(XPRT_LOCKED, &xprt->state) && xprt->snd_task == task)
return 1;
spin_lock_bh(&xprt->transport_lock);
spin_lock(&xprt->transport_lock);
retval = xprt->ops->reserve_xprt(xprt, task);
spin_unlock_bh(&xprt->transport_lock);
spin_unlock(&xprt->transport_lock);
return retval;
}
@@ -381,9 +381,9 @@ static inline void xprt_release_write(struct rpc_xprt *xprt, struct rpc_task *ta
{
if (xprt->snd_task != task)
return;
spin_lock_bh(&xprt->transport_lock);
spin_lock(&xprt->transport_lock);
xprt->ops->release_xprt(xprt, task);
spin_unlock_bh(&xprt->transport_lock);
spin_unlock(&xprt->transport_lock);
}
/*
@@ -435,9 +435,9 @@ xprt_request_get_cong(struct rpc_xprt *xprt, struct rpc_rqst *req)
if (req->rq_cong)
return true;
spin_lock_bh(&xprt->transport_lock);
spin_lock(&xprt->transport_lock);
ret = __xprt_get_cong(xprt, req) != 0;
spin_unlock_bh(&xprt->transport_lock);
spin_unlock(&xprt->transport_lock);
return ret;
}
EXPORT_SYMBOL_GPL(xprt_request_get_cong);
@@ -464,9 +464,9 @@ static void
xprt_clear_congestion_window_wait(struct rpc_xprt *xprt)
{
if (test_and_clear_bit(XPRT_CWND_WAIT, &xprt->state)) {
spin_lock_bh(&xprt->transport_lock);
spin_lock(&xprt->transport_lock);
__xprt_lock_write_next_cong(xprt);
spin_unlock_bh(&xprt->transport_lock);
spin_unlock(&xprt->transport_lock);
}
}
@@ -563,9 +563,9 @@ bool xprt_write_space(struct rpc_xprt *xprt)
if (!test_bit(XPRT_WRITE_SPACE, &xprt->state))
return false;
spin_lock_bh(&xprt->transport_lock);
spin_lock(&xprt->transport_lock);
ret = xprt_clear_write_space_locked(xprt);
spin_unlock_bh(&xprt->transport_lock);
spin_unlock(&xprt->transport_lock);
return ret;
}
EXPORT_SYMBOL_GPL(xprt_write_space);
@@ -634,9 +634,9 @@ int xprt_adjust_timeout(struct rpc_rqst *req)
req->rq_retries = 0;
xprt_reset_majortimeo(req);
/* Reset the RTT counters == "slow start" */
spin_lock_bh(&xprt->transport_lock);
spin_lock(&xprt->transport_lock);
rpc_init_rtt(req->rq_task->tk_client->cl_rtt, to->to_initval);
spin_unlock_bh(&xprt->transport_lock);
spin_unlock(&xprt->transport_lock);
status = -ETIMEDOUT;
}
@@ -668,11 +668,11 @@ static void xprt_autoclose(struct work_struct *work)
void xprt_disconnect_done(struct rpc_xprt *xprt)
{
dprintk("RPC: disconnected transport %p\n", xprt);
spin_lock_bh(&xprt->transport_lock);
spin_lock(&xprt->transport_lock);
xprt_clear_connected(xprt);
xprt_clear_write_space_locked(xprt);
xprt_wake_pending_tasks(xprt, -ENOTCONN);
spin_unlock_bh(&xprt->transport_lock);
spin_unlock(&xprt->transport_lock);
}
EXPORT_SYMBOL_GPL(xprt_disconnect_done);
@@ -684,7 +684,7 @@ EXPORT_SYMBOL_GPL(xprt_disconnect_done);
void xprt_force_disconnect(struct rpc_xprt *xprt)
{
/* Don't race with the test_bit() in xprt_clear_locked() */
spin_lock_bh(&xprt->transport_lock);
spin_lock(&xprt->transport_lock);
set_bit(XPRT_CLOSE_WAIT, &xprt->state);
/* Try to schedule an autoclose RPC call */
if (test_and_set_bit(XPRT_LOCKED, &xprt->state) == 0)
@@ -692,7 +692,7 @@ void xprt_force_disconnect(struct rpc_xprt *xprt)
else if (xprt->snd_task)
rpc_wake_up_queued_task_set_status(&xprt->pending,
xprt->snd_task, -ENOTCONN);
spin_unlock_bh(&xprt->transport_lock);
spin_unlock(&xprt->transport_lock);
}
EXPORT_SYMBOL_GPL(xprt_force_disconnect);
@@ -726,7 +726,7 @@ xprt_request_retransmit_after_disconnect(struct rpc_task *task)
void xprt_conditional_disconnect(struct rpc_xprt *xprt, unsigned int cookie)
{
/* Don't race with the test_bit() in xprt_clear_locked() */
spin_lock_bh(&xprt->transport_lock);
spin_lock(&xprt->transport_lock);
if (cookie != xprt->connect_cookie)
goto out;
if (test_bit(XPRT_CLOSING, &xprt->state))
@@ -737,7 +737,7 @@ void xprt_conditional_disconnect(struct rpc_xprt *xprt, unsigned int cookie)
queue_work(xprtiod_workqueue, &xprt->task_cleanup);
xprt_wake_pending_tasks(xprt, -EAGAIN);
out:
spin_unlock_bh(&xprt->transport_lock);
spin_unlock(&xprt->transport_lock);
}
static bool
@@ -759,18 +759,13 @@ xprt_init_autodisconnect(struct timer_list *t)
{
struct rpc_xprt *xprt = from_timer(xprt, t, timer);
spin_lock(&xprt->transport_lock);
if (!RB_EMPTY_ROOT(&xprt->recv_queue))
goto out_abort;
return;
/* Reset xprt->last_used to avoid connect/autodisconnect cycling */
xprt->last_used = jiffies;
if (test_and_set_bit(XPRT_LOCKED, &xprt->state))
goto out_abort;
spin_unlock(&xprt->transport_lock);
return;
queue_work(xprtiod_workqueue, &xprt->task_cleanup);
return;
out_abort:
spin_unlock(&xprt->transport_lock);
}
bool xprt_lock_connect(struct rpc_xprt *xprt,
@@ -779,7 +774,7 @@ bool xprt_lock_connect(struct rpc_xprt *xprt,
{
bool ret = false;
spin_lock_bh(&xprt->transport_lock);
spin_lock(&xprt->transport_lock);
if (!test_bit(XPRT_LOCKED, &xprt->state))
goto out;
if (xprt->snd_task != task)
@@ -787,13 +782,13 @@ bool xprt_lock_connect(struct rpc_xprt *xprt,
xprt->snd_task = cookie;
ret = true;
out:
spin_unlock_bh(&xprt->transport_lock);
spin_unlock(&xprt->transport_lock);
return ret;
}
void xprt_unlock_connect(struct rpc_xprt *xprt, void *cookie)
{
spin_lock_bh(&xprt->transport_lock);
spin_lock(&xprt->transport_lock);
if (xprt->snd_task != cookie)
goto out;
if (!test_bit(XPRT_LOCKED, &xprt->state))
@@ -802,7 +797,7 @@ void xprt_unlock_connect(struct rpc_xprt *xprt, void *cookie)
xprt->ops->release_xprt(xprt, NULL);
xprt_schedule_autodisconnect(xprt);
out:
spin_unlock_bh(&xprt->transport_lock);
spin_unlock(&xprt->transport_lock);
wake_up_bit(&xprt->state, XPRT_LOCKED);
}
@@ -1412,14 +1407,14 @@ xprt_request_transmit(struct rpc_rqst *req, struct rpc_task *snd_task)
xprt_inject_disconnect(xprt);
task->tk_flags |= RPC_TASK_SENT;
spin_lock_bh(&xprt->transport_lock);
spin_lock(&xprt->transport_lock);
xprt->stat.sends++;
xprt->stat.req_u += xprt->stat.sends - xprt->stat.recvs;
xprt->stat.bklog_u += xprt->backlog.qlen;
xprt->stat.sending_u += xprt->sending.qlen;
xprt->stat.pending_u += xprt->pending.qlen;
spin_unlock_bh(&xprt->transport_lock);
spin_unlock(&xprt->transport_lock);
req->rq_connect_cookie = connect_cookie;
out_dequeue:
@@ -1766,13 +1761,13 @@ void xprt_release(struct rpc_task *task)
xprt = req->rq_xprt;
xprt_request_dequeue_all(task, req);
spin_lock_bh(&xprt->transport_lock);
spin_lock(&xprt->transport_lock);
xprt->ops->release_xprt(xprt, task);
if (xprt->ops->release_request)
xprt->ops->release_request(task);
xprt->last_used = jiffies;
xprt_schedule_autodisconnect(xprt);
spin_unlock_bh(&xprt->transport_lock);
spin_unlock(&xprt->transport_lock);
if (req->rq_buffer)
xprt->ops->buf_free(task);
xprt_inject_disconnect(xprt);