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SUNRPC: Clean up - convert xprt_prepare_transmit to return a bool

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2013-09-25 12:17:18 -04:00
parent ee071eff0f
commit 90051ea774
3 changed files with 12 additions and 11 deletions
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2
include/linux/sunrpc/xprt.h
View File

@ -288,7 +288,7 @@ 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);
void xprt_alloc_slot(struct rpc_xprt *xprt, struct rpc_task *task);
void xprt_lock_and_alloc_slot(struct rpc_xprt *xprt, struct rpc_task *task);
int xprt_prepare_transmit(struct rpc_task *task);
bool xprt_prepare_transmit(struct rpc_task *task);
void xprt_transmit(struct rpc_task *task);
void xprt_end_transmit(struct rpc_task *task);
int xprt_adjust_timeout(struct rpc_rqst *req);

6
net/sunrpc/clnt.c
View File

@ -1722,8 +1722,7 @@ call_transmit(struct rpc_task *task)
task->tk_action = call_status;
if (task->tk_status < 0)
return;
task->tk_status = xprt_prepare_transmit(task);
if (task->tk_status != 0)
if (!xprt_prepare_transmit(task))
return;
task->tk_action = call_transmit_status;
/* Encode here so that rpcsec_gss can use correct sequence number. */
@ -1811,8 +1810,7 @@ call_bc_transmit(struct rpc_task *task)
{
struct rpc_rqst *req = task->tk_rqstp;
task->tk_status = xprt_prepare_transmit(task);
if (task->tk_status == -EAGAIN) {
if (!xprt_prepare_transmit(task)) {
/*
* Could not reserve the transport. Try again after the
* transport is released.

15
net/sunrpc/xprt.c
View File

@ -864,24 +864,27 @@ static inline int xprt_has_timer(struct rpc_xprt *xprt)
* @task: RPC task about to send a request
*
*/
int xprt_prepare_transmit(struct rpc_task *task)
bool xprt_prepare_transmit(struct rpc_task *task)
{
struct rpc_rqst *req = task->tk_rqstp;
struct rpc_xprt *xprt = req->rq_xprt;
int err = 0;
bool ret = false;
dprintk("RPC: %5u xprt_prepare_transmit\n", task->tk_pid);
spin_lock_bh(&xprt->transport_lock);
if (req->rq_reply_bytes_recvd && !req->rq_bytes_sent) {
err = req->rq_reply_bytes_recvd;
task->tk_status = req->rq_reply_bytes_recvd;
goto out_unlock;
}
if (!xprt->ops->reserve_xprt(xprt, task))
err = -EAGAIN;
if (!xprt->ops->reserve_xprt(xprt, task)) {
task->tk_status = -EAGAIN;
goto out_unlock;
}
ret = true;
out_unlock:
spin_unlock_bh(&xprt->transport_lock);
return err;
return ret;
}
void xprt_end_transmit(struct rpc_task *task)