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SUNRPC: move saved socket callback functions to a private data structure 

Move the three fields for saving socket callback functions out of the
rpc_xprt structure and into a private data structure maintained in
net/sunrpc/xprtsock.c.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever 2006-12-05 16:35:34 -05:00 committed by Trond Myklebust
parent 7c6e066ec2
commit 314dfd7987
2 changed files with 16 additions and 15 deletions
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6
include/linux/sunrpc/xprt.h
View File

@ -17,8 +17,6 @@
#include <linux/sunrpc/xdr.h>
#include <linux/sunrpc/msg_prot.h>
#include <net/sock.h>
extern unsigned int xprt_udp_slot_table_entries;
extern unsigned int xprt_tcp_slot_table_entries;
@ -191,10 +189,6 @@ struct rpc_xprt {
bklog_u; /* backlog queue utilization */
} stat;
void (*old_data_ready)(struct sock *, int);
void (*old_state_change)(struct sock *);
void (*old_write_space)(struct sock *);
char * address_strings[RPC_DISPLAY_MAX];
};

25
net/sunrpc/xprtsock.c
View File

@ -157,6 +157,13 @@ struct sock_xprt {
*/
size_t rcvsize,
sndsize;
/*
* Saved socket callback addresses
*/
void (*old_data_ready)(struct sock *, int);
void (*old_state_change)(struct sock *);
void (*old_write_space)(struct sock *);
};
/*
@ -536,9 +543,9 @@ static void xs_close(struct rpc_xprt *xprt)
transport->sock = NULL;
sk->sk_user_data = NULL;
sk->sk_data_ready = xprt->old_data_ready;
sk->sk_state_change = xprt->old_state_change;
sk->sk_write_space = xprt->old_write_space;
sk->sk_data_ready = transport->old_data_ready;
sk->sk_state_change = transport->old_state_change;
sk->sk_write_space = transport->old_write_space;
write_unlock_bh(&sk->sk_callback_lock);
sk->sk_no_check = 0;
@ -1147,9 +1154,9 @@ static void xs_udp_connect_worker(void *args)
write_lock_bh(&sk->sk_callback_lock);
sk->sk_user_data = xprt;
xprt->old_data_ready = sk->sk_data_ready;
xprt->old_state_change = sk->sk_state_change;
xprt->old_write_space = sk->sk_write_space;
transport->old_data_ready = sk->sk_data_ready;
transport->old_state_change = sk->sk_state_change;
transport->old_write_space = sk->sk_write_space;
sk->sk_data_ready = xs_udp_data_ready;
sk->sk_write_space = xs_udp_write_space;
sk->sk_no_check = UDP_CSUM_NORCV;
@ -1234,9 +1241,9 @@ static void xs_tcp_connect_worker(void *args)
write_lock_bh(&sk->sk_callback_lock);
sk->sk_user_data = xprt;
xprt->old_data_ready = sk->sk_data_ready;
xprt->old_state_change = sk->sk_state_change;
xprt->old_write_space = sk->sk_write_space;
transport->old_data_ready = sk->sk_data_ready;
transport->old_state_change = sk->sk_state_change;
transport->old_write_space = sk->sk_write_space;
sk->sk_data_ready = xs_tcp_data_ready;
sk->sk_state_change = xs_tcp_state_change;
sk->sk_write_space = xs_tcp_write_space;