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[UNIX]: Move the sysctl_unix_max_dgram_qlen 

This will make all the sub-namespaces always use the
default value (10) and leave the tuning via sysctl
to the init namespace only.

Per-namespace tuning is coming.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2007-12-01 23:44:15 +11:00 committed by David S. Miller
parent 97577e3828
commit d392e49756
3 changed files with 7 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/net/net_namespace.h
View File

@ -38,6 +38,9 @@ struct net {
/* List of all packet sockets. */
rwlock_t packet_sklist_lock;
struct hlist_head packet_sklist;
/* unix sockets */
int sysctl_unix_max_dgram_qlen;
};
#ifdef CONFIG_NET

6
net/unix/af_unix.c
View File

@ -117,8 +117,6 @@
#include <net/checksum.h>
#include <linux/security.h>
int sysctl_unix_max_dgram_qlen __read_mostly = 10;
static struct hlist_head unix_socket_table[UNIX_HASH_SIZE + 1];
static DEFINE_SPINLOCK(unix_table_lock);
static atomic_t unix_nr_socks = ATOMIC_INIT(0);
@ -594,7 +592,7 @@ static struct sock * unix_create1(struct net *net, struct socket *sock)
&af_unix_sk_receive_queue_lock_key);
sk->sk_write_space = unix_write_space;
sk->sk_max_ack_backlog = sysctl_unix_max_dgram_qlen;
sk->sk_max_ack_backlog = net->sysctl_unix_max_dgram_qlen;
sk->sk_destruct = unix_sock_destructor;
u = unix_sk(sk);
u->dentry = NULL;
@ -2140,6 +2138,8 @@ static int unix_net_init(struct net *net)
{
int error = -ENOMEM;
net->sysctl_unix_max_dgram_qlen = 10;
#ifdef CONFIG_PROC_FS
if (!proc_net_fops_create(net, "unix", 0, &unix_seq_fops))
goto out;

2
net/unix/sysctl_net_unix.c
View File

@ -18,7 +18,7 @@ static ctl_table unix_table[] = {
{
.ctl_name = NET_UNIX_MAX_DGRAM_QLEN,
.procname = "max_dgram_qlen",
.data = &sysctl_unix_max_dgram_qlen,
.data = &init_net.sysctl_unix_max_dgram_qlen,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec