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RDS: TCP: Reduce code duplication in rds_tcp_reset_callbacks() 

Some code duplication in rds_tcp_reset_callbacks() can be avoided
by having the function call rds_tcp_restore_callbacks() and
rds_tcp_set_callbacks().

Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sowmini Varadhan 2016-07-14 03:51:02 -07:00 committed by David S. Miller
parent a93d01f577
commit ac3615e7f3
1 changed files with 4 additions and 18 deletions
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22
net/rds/tcp.c
View File

@ -168,35 +168,21 @@ void rds_tcp_reset_callbacks(struct socket *sock,
wait_event(cp->cp_waitq, !test_bit(RDS_IN_XMIT, &cp->cp_flags)); wait_event(cp->cp_waitq, !test_bit(RDS_IN_XMIT, &cp->cp_flags));
lock_sock(osock->sk); lock_sock(osock->sk);
/* reset receive side state for rds_tcp_data_recv() for osock */ /* reset receive side state for rds_tcp_data_recv() for osock */
cancel_delayed_work_sync(&cp->cp_send_w);
cancel_delayed_work_sync(&cp->cp_recv_w);
if (tc->t_tinc) { if (tc->t_tinc) {
rds_inc_put(&tc->t_tinc->ti_inc); rds_inc_put(&tc->t_tinc->ti_inc);
tc->t_tinc = NULL; tc->t_tinc = NULL;
} }
tc->t_tinc_hdr_rem = sizeof(struct rds_header); tc->t_tinc_hdr_rem = sizeof(struct rds_header);
tc->t_tinc_data_rem = 0; tc->t_tinc_data_rem = 0;
tc->t_sock = NULL; rds_tcp_restore_callbacks(osock, tc);
write_lock_bh(&osock->sk->sk_callback_lock);
osock->sk->sk_user_data = NULL;
osock->sk->sk_data_ready = tc->t_orig_data_ready;
osock->sk->sk_write_space = tc->t_orig_write_space;
osock->sk->sk_state_change = tc->t_orig_state_change;
write_unlock_bh(&osock->sk->sk_callback_lock);
release_sock(osock->sk); release_sock(osock->sk);
sock_release(osock); sock_release(osock);
newsock: newsock:
rds_send_path_reset(cp); rds_send_path_reset(cp);
lock_sock(sock->sk); lock_sock(sock->sk);
write_lock_bh(&sock->sk->sk_callback_lock); rds_tcp_set_callbacks(sock, cp);
tc->t_sock = sock;
tc->t_cpath = cp;
sock->sk->sk_user_data = cp;
sock->sk->sk_data_ready = rds_tcp_data_ready;
sock->sk->sk_write_space = rds_tcp_write_space;
sock->sk->sk_state_change = rds_tcp_state_change;
write_unlock_bh(&sock->sk->sk_callback_lock);
release_sock(sock->sk); release_sock(sock->sk);
} }