| Message ID | 1479570613-3104-1-git-send-email-zhangshengju@cmss.chinamobile.com |
|---|---|
| State | Accepted, archived |
| Delegated to: | stephen hemminger |
| Headers | show |
On Sat, 19 Nov 2016 23:50:13 +0800 Zhang Shengju <zhangshengju@cmss.chinamobile.com> wrote: > This patch reduce the size of message sent to kernel space. Before this > patch, for command: 'ip link show', we will sent 1056 bytes. With this > patch, we only need to send 40 bytes. > > Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com> Applied, and queued for next push. Added a Fixes tag since this was introduced by changes to do selective query.
diff --git a/lib/libnetlink.c b/lib/libnetlink.c index 2279935..d0e19cc 100644 --- a/lib/libnetlink.c +++ b/lib/libnetlink.c @@ -149,7 +149,7 @@ int rtnl_wilddump_req_filter_fn(struct rtnl_handle *rth, int family, int type, if (err) return err; - return send(rth->fd, (void*)&req, sizeof(req), 0); + return send(rth->fd, (void*)&req, req.nlh.nlmsg_len, 0); } int rtnl_wilddump_stats_req_filter(struct rtnl_handle *rth, int fam, int type,
This patch reduce the size of message sent to kernel space. Before this patch, for command: 'ip link show', we will sent 1056 bytes. With this patch, we only need to send 40 bytes. Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com> --- lib/libnetlink.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)