Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d392e49756a99ba51577d265d6db83e3f01c6ac8
Commit: d392e49756a99ba51577d265d6db83e3f01c6ac8
Parent: 97577e38284f48ca773392e2d401af2f6c95dc08
Author: Pavel Emelyanov <[EMAIL PROTECTED]>
AuthorDate: Sat Dec 1 23:44:15 2007 +1100
Committer: David S. Miller <[EMAIL PROTECTED]>
CommitDate: Mon Jan 28 14:55:22 2008 -0800
[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 <[EMAIL PROTECTED]>
Acked-by: Eric W. Biederman <[EMAIL PROTECTED]>
Signed-off-by: Herbert Xu <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
include/net/net_namespace.h | 3 +++
net/unix/af_unix.c | 6 +++---
net/unix/sysctl_net_unix.c | 2 +-
3 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 235214c..b0cf075 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -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
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index a0aa6d3..73620d6 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -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;
diff --git a/net/unix/sysctl_net_unix.c b/net/unix/sysctl_net_unix.c
index b2e0407..c46cec0 100644
--- a/net/unix/sysctl_net_unix.c
+++ b/net/unix/sysctl_net_unix.c
@@ -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
-
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