luck/tmp_suning_uos_patched
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm:
  dlm: fix socket fd translation
  dlm: fix lowcomms_connect_node for sctp
This commit is contained in:
Linus Torvalds 2009-10-15 15:21:20 -07:00
commit 8e7768d3f4
1 changed files with 22 additions and 14 deletions
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36
fs/dlm/lowcomms.c
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@ -316,6 +316,10 @@ int dlm_lowcomms_connect_node(int nodeid)
{
struct connection *con;
/* with sctp there's no connecting without sending */
if (dlm_config.ci_protocol != 0)
return 0;
if (nodeid == dlm_our_nodeid())
return 0;
@ -455,9 +459,9 @@ static void process_sctp_notification(struct connection *con,
int prim_len, ret;
int addr_len;
struct connection *new_con;
struct file *file;
sctp_peeloff_arg_t parg;
int parglen = sizeof(parg);
int err;
/*
* We get this before any data for an association.
@ -512,19 +516,22 @@ static void process_sctp_notification(struct connection *con,
ret = kernel_getsockopt(con->sock, IPPROTO_SCTP,
SCTP_SOCKOPT_PEELOFF,
(void *)&parg, &parglen);
if (ret) {
if (ret < 0) {
log_print("Can't peel off a socket for "
"connection %d to node %d: err=%d\n",
"connection %d to node %d: err=%d",
parg.associd, nodeid, ret);
return;
}
new_con->sock = sockfd_lookup(parg.sd, &err);
if (!new_con->sock) {
log_print("sockfd_lookup error %d", err);
return;
}
file = fget(parg.sd);
new_con->sock = SOCKET_I(file->f_dentry->d_inode);
add_sock(new_con->sock, new_con);
fput(file);
put_unused_fd(parg.sd);
sockfd_put(new_con->sock);
log_print("got new/restarted association %d nodeid %d",
(int)sn->sn_assoc_change.sac_assoc_id, nodeid);
log_print("connecting to %d sctp association %d",
nodeid, (int)sn->sn_assoc_change.sac_assoc_id);
/* Send any pending writes */
clear_bit(CF_CONNECT_PENDING, &new_con->flags);
@ -837,8 +844,6 @@ static void sctp_init_assoc(struct connection *con)
if (con->retries++ > MAX_CONNECT_RETRIES)
return;
log_print("Initiating association with node %d", con->nodeid);
if (nodeid_to_addr(con->nodeid, (struct sockaddr *)&rem_addr)) {
log_print("no address for nodeid %d", con->nodeid);
return;
@ -855,11 +860,14 @@ static void sctp_init_assoc(struct connection *con)
outmessage.msg_flags = MSG_EOR;
spin_lock(&con->writequeue_lock);
e = list_entry(con->writequeue.next, struct writequeue_entry,
list);
BUG_ON((struct list_head *) e == &con->writequeue);
if (list_empty(&con->writequeue)) {
spin_unlock(&con->writequeue_lock);
log_print("writequeue empty for nodeid %d", con->nodeid);
return;
}
e = list_first_entry(&con->writequeue, struct writequeue_entry, list);
len = e->len;
offset = e->offset;
spin_unlock(&con->writequeue_lock);