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SUNRPC: Clean up initialisation of the struct rpc_rqst 

Move the initialisation back into xprt.c.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2018-08-22 14:24:16 -04:00
parent 17b57b1883
commit 9dc6edcf67
3 changed files with 51 additions and 42 deletions
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1
include/linux/sunrpc/xprt.h
View File

@ -325,7 +325,6 @@ struct xprt_class {
struct rpc_xprt *xprt_create_transport(struct xprt_create *args);
void xprt_connect(struct rpc_task *task);
void xprt_reserve(struct rpc_task *task);
void xprt_request_init(struct rpc_task *task);
void xprt_retry_reserve(struct rpc_task *task);
int xprt_reserve_xprt(struct rpc_xprt *xprt, struct rpc_task *task);
int xprt_reserve_xprt_cong(struct rpc_xprt *xprt, struct rpc_task *task);

1
net/sunrpc/clnt.c
View File

@ -1558,7 +1558,6 @@ call_reserveresult(struct rpc_task *task)
task->tk_status = 0;
if (status >= 0) {
if (task->tk_rqstp) {
xprt_request_init(task);
task->tk_action = call_refresh;
return;
}

91
net/sunrpc/xprt.c
View File

@ -1250,6 +1250,55 @@ void xprt_free(struct rpc_xprt *xprt)
}
EXPORT_SYMBOL_GPL(xprt_free);
static __be32
xprt_alloc_xid(struct rpc_xprt *xprt)
{
__be32 xid;
spin_lock(&xprt->reserve_lock);
xid = (__force __be32)xprt->xid++;
spin_unlock(&xprt->reserve_lock);
return xid;
}
static void
xprt_init_xid(struct rpc_xprt *xprt)
{
xprt->xid = prandom_u32();
}
static void
xprt_request_init(struct rpc_task *task)
{
struct rpc_xprt *xprt = task->tk_xprt;
struct rpc_rqst *req = task->tk_rqstp;
INIT_LIST_HEAD(&req->rq_list);
req->rq_timeout = task->tk_client->cl_timeout->to_initval;
req->rq_task = task;
req->rq_xprt = xprt;
req->rq_buffer = NULL;
req->rq_xid = xprt_alloc_xid(xprt);
req->rq_connect_cookie = xprt->connect_cookie - 1;
req->rq_bytes_sent = 0;
req->rq_snd_buf.len = 0;
req->rq_snd_buf.buflen = 0;
req->rq_rcv_buf.len = 0;
req->rq_rcv_buf.buflen = 0;
req->rq_release_snd_buf = NULL;
xprt_reset_majortimeo(req);
dprintk("RPC: %5u reserved req %p xid %08x\n", task->tk_pid,
req, ntohl(req->rq_xid));
}
static void
xprt_do_reserve(struct rpc_xprt *xprt, struct rpc_task *task)
{
xprt->ops->alloc_slot(xprt, task);
if (task->tk_rqstp != NULL)
xprt_request_init(task);
}
/**
* xprt_reserve - allocate an RPC request slot
* @task: RPC task requesting a slot allocation
@ -1269,7 +1318,7 @@ void xprt_reserve(struct rpc_task *task)
task->tk_timeout = 0;
task->tk_status = -EAGAIN;
if (!xprt_throttle_congested(xprt, task))
xprt->ops->alloc_slot(xprt, task);
xprt_do_reserve(xprt, task);
}
/**
@ -1291,45 +1340,7 @@ void xprt_retry_reserve(struct rpc_task *task)
task->tk_timeout = 0;
task->tk_status = -EAGAIN;
xprt->ops->alloc_slot(xprt, task);
}
static inline __be32 xprt_alloc_xid(struct rpc_xprt *xprt)
{
__be32 xid;
spin_lock(&xprt->reserve_lock);
xid = (__force __be32)xprt->xid++;
spin_unlock(&xprt->reserve_lock);
return xid;
}
static inline void xprt_init_xid(struct rpc_xprt *xprt)
{
xprt->xid = prandom_u32();
}
void xprt_request_init(struct rpc_task *task)
{
struct rpc_xprt *xprt = task->tk_xprt;
struct rpc_rqst *req = task->tk_rqstp;
INIT_LIST_HEAD(&req->rq_list);
req->rq_timeout = task->tk_client->cl_timeout->to_initval;
req->rq_task = task;
req->rq_xprt = xprt;
req->rq_buffer = NULL;
req->rq_xid = xprt_alloc_xid(xprt);
req->rq_connect_cookie = xprt->connect_cookie - 1;
req->rq_bytes_sent = 0;
req->rq_snd_buf.len = 0;
req->rq_snd_buf.buflen = 0;
req->rq_rcv_buf.len = 0;
req->rq_rcv_buf.buflen = 0;
req->rq_release_snd_buf = NULL;
xprt_reset_majortimeo(req);
dprintk("RPC: %5u reserved req %p xid %08x\n", task->tk_pid,
req, ntohl(req->rq_xid));
xprt_do_reserve(xprt, task);
}
/**