This is a note to let you know that I've just added the patch titled
nfsd: pass net to __write_ports() and down
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
nfsd-pass-net-to-__write_ports-and-down.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 081603520b25f7b35ef63a363376a17c36ef74ed Mon Sep 17 00:00:00 2001
From: Stanislav Kinsbursky <[email protected]>
Date: Mon, 10 Dec 2012 12:19:35 +0300
Subject: nfsd: pass net to __write_ports() and down
From: Stanislav Kinsbursky <[email protected]>
commit 081603520b25f7b35ef63a363376a17c36ef74ed upstream.
Precursor patch. Hard-coded "init_net" will be replaced by proper one in
future.
Signed-off-by: Stanislav Kinsbursky <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>
[wengmeiling: backport to 3.4:
- adjust context
- add net_ns parameter to __write_ports_delxprt()]
Signed-off-by: Weng Meiling <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
fs/nfsd/nfsctl.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -650,11 +650,10 @@ static ssize_t __write_ports_names(char
* a socket of a supported family/protocol, and we use it as an
* nfsd listener.
*/
-static ssize_t __write_ports_addfd(char *buf)
+static ssize_t __write_ports_addfd(char *buf, struct net *net)
{
char *mesg = buf;
int fd, err;
- struct net *net = &init_net;
err = get_int(&mesg, &fd);
if (err != 0 || fd < 0)
@@ -698,12 +697,11 @@ static ssize_t __write_ports_delfd(char
* A transport listener is added by writing it's transport name and
* a port number.
*/
-static ssize_t __write_ports_addxprt(char *buf)
+static ssize_t __write_ports_addxprt(char *buf, struct net *net)
{
char transport[16];
struct svc_xprt *xprt;
int port, err;
- struct net *net = &init_net;
if (sscanf(buf, "%15s %4u", transport, &port) != 2)
return -EINVAL;
@@ -743,7 +741,7 @@ out_err:
* A transport listener is removed by writing a "-", it's transport
* name, and it's port number.
*/
-static ssize_t __write_ports_delxprt(char *buf)
+static ssize_t __write_ports_delxprt(char *buf, struct net *net)
{
struct svc_xprt *xprt;
char transport[16];
@@ -755,7 +753,7 @@ static ssize_t __write_ports_delxprt(cha
if (port < 1 || port > USHRT_MAX || nfsd_serv == NULL)
return -EINVAL;
- xprt = svc_find_xprt(nfsd_serv, transport, &init_net, AF_UNSPEC, port);
+ xprt = svc_find_xprt(nfsd_serv, transport, net, AF_UNSPEC, port);
if (xprt == NULL)
return -ENOTCONN;
@@ -764,22 +762,23 @@ static ssize_t __write_ports_delxprt(cha
return 0;
}
-static ssize_t __write_ports(struct file *file, char *buf, size_t size)
+static ssize_t __write_ports(struct file *file, char *buf, size_t size,
+ struct net *net)
{
if (size == 0)
return __write_ports_names(buf);
if (isdigit(buf[0]))
- return __write_ports_addfd(buf);
+ return __write_ports_addfd(buf, net);
if (buf[0] == '-' && isdigit(buf[1]))
return __write_ports_delfd(buf);
if (isalpha(buf[0]))
- return __write_ports_addxprt(buf);
+ return __write_ports_addxprt(buf, net);
if (buf[0] == '-' && isalpha(buf[1]))
- return __write_ports_delxprt(buf);
+ return __write_ports_delxprt(buf, net);
return -EINVAL;
}
@@ -858,9 +857,10 @@ static ssize_t __write_ports(struct file
static ssize_t write_ports(struct file *file, char *buf, size_t size)
{
ssize_t rv;
+ struct net *net = &init_net;
mutex_lock(&nfsd_mutex);
- rv = __write_ports(file, buf, size);
+ rv = __write_ports(file, buf, size, net);
mutex_unlock(&nfsd_mutex);
return rv;
}
Patches currently in stable-queue which might be from [email protected]
are
queue-3.4/nfsd-pass-net-to-nfsd_svc.patch
queue-3.4/nfsd-pass-proper-net-to-nfsd_destroy-from-nfsd-kthreads.patch
queue-3.4/nfsd-pass-net-to-nfsd_init_socks.patch
queue-3.4/nfsd-pass-net-to-__write_ports-and-down.patch
queue-3.4/nfsd-pass-net-to-nfsd_set_nrthreads.patch
queue-3.4/nfsd-pass-net-to-nfsd_create_serv.patch
queue-3.4/nfsd-pass-net-to-nfsd_startup-and-nfsd_shutdown.patch
queue-3.4/nfsd-containerize-nfsd-filesystem.patch
queue-3.4/nfsd-check-passed-socket-s-net-matches-nfsd-superblock-s-one.patch
--
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