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[PATCH] RPC: client-side transport switch cleanup

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Clean-up: change some comments to reflect the realities of the new RPC
 transport switch mechanism.  Get rid of unused xprt_receive() prototype.

 Also, organize function prototypes in xprt.h by usage and scope.

 Test-plan:
 Compile kernel with CONFIG_NFS enabled.

 Version: Thu, 11 Aug 2005 16:07:21 -0400

 Signed-off-by: Chuck Lever <cel@netapp.com>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever
2005-08-11 16:25:47 -04:00
committed by Trond Myklebust
parent 44fbac2288
commit 55aa4f58aa
4 changed files with 55 additions and 46 deletions
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61
include/linux/sunrpc/xprt.h
View File

@@ -1,5 +1,5 @@
/*
* linux/include/linux/sunrpc/clnt_xprt.h
* linux/include/linux/sunrpc/xprt.h
*
* Declarations for the RPC transport interface.
*
@@ -150,8 +150,8 @@ struct rpc_xprt {
unsigned long cong; /* current congestion */
unsigned long cwnd; /* congestion window */
unsigned int rcvsize, /* socket receive buffer size */
sndsize; /* socket send buffer size */
unsigned int rcvsize, /* transport rcv buffer size */
sndsize; /* transport send buffer size */
size_t max_payload; /* largest RPC payload size,
in bytes */
@@ -184,12 +184,12 @@ struct rpc_xprt {
unsigned long tcp_copied, /* copied to request */
tcp_flags;
/*
* Connection of sockets
* Connection of transports
*/
struct work_struct sock_connect;
struct work_struct connect_worker;
unsigned short port;
/*
* Disconnection of idle sockets
* Disconnection of idle transports
*/
struct work_struct task_cleanup;
struct timer_list timer;
@@ -219,27 +219,36 @@ struct rpc_xprt {
#ifdef __KERNEL__
struct rpc_xprt * xprt_create_proto(int proto, struct sockaddr_in *addr,
struct rpc_timeout *toparms);
void xprt_disconnect(struct rpc_xprt *);
int xprt_destroy(struct rpc_xprt *);
void xprt_set_timeout(struct rpc_timeout *, unsigned int,
unsigned long);
struct rpc_rqst * xprt_lookup_rqst(struct rpc_xprt *, u32);
void xprt_complete_rqst(struct rpc_xprt *,
struct rpc_rqst *, int);
void xprt_reserve(struct rpc_task *);
int xprt_prepare_transmit(struct rpc_task *);
void xprt_transmit(struct rpc_task *);
void xprt_receive(struct rpc_task *);
void xprt_wake_pending_tasks(struct rpc_xprt *, int);
/*
* Transport operations used by ULPs
*/
struct rpc_xprt * xprt_create_proto(int proto, struct sockaddr_in *addr, struct rpc_timeout *to);
void xprt_set_timeout(struct rpc_timeout *to, unsigned int retr, unsigned long incr);
/*
* Generic internal transport functions
*/
void xprt_connect(struct rpc_task *task);
void xprt_reserve(struct rpc_task *task);
int xprt_prepare_transmit(struct rpc_task *task);
void xprt_transmit(struct rpc_task *task);
int xprt_adjust_timeout(struct rpc_rqst *req);
void xprt_release(struct rpc_task *);
void xprt_connect(struct rpc_task *);
int xs_setup_udp(struct rpc_xprt *,
struct rpc_timeout *);
int xs_setup_tcp(struct rpc_xprt *,
struct rpc_timeout *);
void xprt_release(struct rpc_task *task);
int xprt_destroy(struct rpc_xprt *xprt);
/*
* Transport switch helper functions
*/
void xprt_wake_pending_tasks(struct rpc_xprt *xprt, int status);
struct rpc_rqst * xprt_lookup_rqst(struct rpc_xprt *xprt, u32 xid);
void xprt_complete_rqst(struct rpc_xprt *xprt, struct rpc_rqst *req, int copied);
void xprt_disconnect(struct rpc_xprt *xprt);
/*
* Socket transport setup operations
*/
int xs_setup_udp(struct rpc_xprt *xprt, struct rpc_timeout *to);
int xs_setup_tcp(struct rpc_xprt *xprt, struct rpc_timeout *to);
/*
* Reserved bit positions in xprt->state