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SUNRPC: Use the multipath iterator to assign a transport to each task

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Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust
2016-01-30 16:39:26 -05:00
parent ad01b2c68d
commit fb43d17210
5 changed files with 28 additions and 36 deletions
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14
net/sunrpc/xprt.c
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@@ -1181,7 +1181,7 @@ EXPORT_SYMBOL_GPL(xprt_free);
*/
void xprt_reserve(struct rpc_task *task)
{
struct rpc_xprt *xprt;
struct rpc_xprt *xprt = task->tk_xprt;
task->tk_status = 0;
if (task->tk_rqstp != NULL)
@@ -1189,11 +1189,8 @@ void xprt_reserve(struct rpc_task *task)
task->tk_timeout = 0;
task->tk_status = -EAGAIN;
rcu_read_lock();
xprt = rcu_dereference(task->tk_client->cl_xprt);
if (!xprt_throttle_congested(xprt, task))
xprt->ops->alloc_slot(xprt, task);
rcu_read_unlock();
}
/**
@@ -1207,7 +1204,7 @@ void xprt_reserve(struct rpc_task *task)
*/
void xprt_retry_reserve(struct rpc_task *task)
{
struct rpc_xprt *xprt;
struct rpc_xprt *xprt = task->tk_xprt;
task->tk_status = 0;
if (task->tk_rqstp != NULL)
@@ -1215,10 +1212,7 @@ void xprt_retry_reserve(struct rpc_task *task)
task->tk_timeout = 0;
task->tk_status = -EAGAIN;
rcu_read_lock();
xprt = rcu_dereference(task->tk_client->cl_xprt);
xprt->ops->alloc_slot(xprt, task);
rcu_read_unlock();
}
static inline __be32 xprt_alloc_xid(struct rpc_xprt *xprt)
@@ -1265,11 +1259,9 @@ void xprt_release(struct rpc_task *task)
if (req == NULL) {
if (task->tk_client) {
rcu_read_lock();
xprt = rcu_dereference(task->tk_client->cl_xprt);
xprt = task->tk_xprt;
if (xprt->snd_task == task)
xprt_release_write(xprt, task);
rcu_read_unlock();
}
return;
}