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authorTrond Myklebust <trond.myklebust@primarydata.com>2016-01-30 21:39:26 (GMT)
committerTrond Myklebust <trond.myklebust@primarydata.com>2016-02-05 23:48:55 (GMT)
commitfb43d17210baa538e58fc83d2d0f8a32399db73b (patch)
treed67af2d75eb5cdbe8cd45fc7f6ee5fa38a41fbd8 /net/sunrpc/xprt.c
parentad01b2c68d0ac5f3d4a3f807bec77b720b1c62a0 (diff)
downloadlinux-fb43d17210baa538e58fc83d2d0f8a32399db73b.tar.xz
SUNRPC: Use the multipath iterator to assign a transport to each task
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'net/sunrpc/xprt.c')
-rw-r--r--net/sunrpc/xprt.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 323b332..216a138 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -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;
}