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PKGBUILDs/core/kernel26-olinuxino/NFS-allow-nfs-root-mount-to-use-alternate-rpc-ports.patch
Kiril Zyapkov 1bc1ebf8a2 Add olinuxino support packages
2012-07-14 22:54:21 +03:00

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From e85103e27b7591337d3240cf0ab2670d0ab73d52 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Wed, 7 Jan 2009 00:59:33 -0500
Subject: [PATCH] NFS: allow nfs root mount to use alternate rpc ports
Allow an nfs root mount to use alternate RPC ports for mountd and nfsd.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
[forward port to 2.6.33+]
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
---
fs/nfs/client.c | 10 ++++++++++
fs/nfs/internal.h | 4 +++-
fs/nfs/mount_clnt.c | 3 ++-
fs/nfs/super.c | 33 ++++++++++++++++++++++++++++++++-
include/linux/nfs_fs_sb.h | 1 +
include/linux/nfs_mount.h | 4 +++-
6 files changed, 51 insertions(+), 4 deletions(-)
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index d25b525..b706c02 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -105,6 +105,7 @@ struct nfs_client_initdata {
const struct nfs_rpc_ops *rpc_ops;
int proto;
u32 minorversion;
+ int nfs_prog;
};
/*
@@ -123,6 +124,7 @@ static struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_
goto error_0;
clp->rpc_ops = cl_init->rpc_ops;
+ clp->nfs_prog = cl_init->nfs_prog;
atomic_set(&clp->cl_count, 1);
clp->cl_cons_state = NFS_CS_INITING;
@@ -448,6 +450,9 @@ static struct nfs_client *nfs_match_client(const struct nfs_client_initdata *dat
/* Match nfsv4 minorversion */
if (clp->cl_minorversion != data->minorversion)
continue;
+ if (clp->nfs_prog != data->nfs_prog)
+ continue;
+
/* Match the full socket address */
if (!nfs_sockaddr_cmp(sap, clap))
continue;
@@ -618,6 +623,10 @@ static int nfs_create_rpc_client(struct nfs_client *clp,
if (!IS_ERR(clp->cl_rpcclient))
return 0;
+ if (clp->nfs_prog)
+ nfs_program.number = clp->nfs_prog;
+ else
+ nfs_program.number = NFS_PROGRAM;
clnt = rpc_create(&args);
if (IS_ERR(clnt)) {
dprintk("%s: cannot create RPC client. Error = %ld\n",
@@ -786,6 +795,7 @@ static int nfs_init_server(struct nfs_server *server,
.addrlen = data->nfs_server.addrlen,
.rpc_ops = &nfs_v2_clientops,
.proto = data->nfs_server.protocol,
+ .nfs_prog = data->nfs_prog,
};
struct rpc_timeout timeparms;
struct nfs_client *clp;
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index e70f44b..3e2649f 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -71,6 +71,8 @@ struct nfs_parsed_mount_data {
int timeo, retrans;
int acregmin, acregmax,
acdirmin, acdirmax;
+ int nfs_prog;
+ int mount_prog;
int namlen;
unsigned int options;
unsigned int bsize;
@@ -116,7 +118,7 @@ struct nfs_mount_request {
rpc_authflavor_t *auth_flavs;
};
-extern int nfs_mount(struct nfs_mount_request *info);
+extern int nfs_mount(struct nfs_mount_request *info, int prog);
extern void nfs_umount(const struct nfs_mount_request *info);
/* client.c */
diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c
index 59047f8..0a2bd63 100644
--- a/fs/nfs/mount_clnt.c
+++ b/fs/nfs/mount_clnt.c
@@ -141,7 +141,7 @@ struct mnt_fhstatus {
*
* Uses default timeout parameters specified by underlying transport.
*/
-int nfs_mount(struct nfs_mount_request *info)
+int nfs_mount(struct nfs_mount_request *info, int m_prog)
{
struct mountres result = {
.fh = info->fh,
@@ -171,6 +171,7 @@ int nfs_mount(struct nfs_mount_request *info)
if (info->noresvport)
args.flags |= RPC_CLNT_CREATE_NONPRIVPORT;
+ mnt_program.number = m_prog;
mnt_clnt = rpc_create(&args);
if (IS_ERR(mnt_clnt))
goto out_clnt_err;
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index f9df16d..0b3bbf8 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -94,6 +94,8 @@ enum {
Opt_mountvers,
Opt_nfsvers,
Opt_minorversion,
+ Opt_mountprog,
+ Opt_nfsprog,
/* Mount options that take string arguments */
Opt_sec, Opt_proto, Opt_mountproto, Opt_mounthost,
@@ -160,6 +162,8 @@ static const match_table_t nfs_mount_option_tokens = {
{ Opt_nfsvers, "nfsvers=%s" },
{ Opt_nfsvers, "vers=%s" },
{ Opt_minorversion, "minorversion=%s" },
+ { Opt_mountprog, "mountprog=%s" },
+ { Opt_nfsprog, "nfsprog=%s" },
{ Opt_sec, "sec=%s" },
{ Opt_proto, "proto=%s" },
@@ -787,6 +791,8 @@ static struct nfs_parsed_mount_data *nfs_alloc_parsed_mount_data(unsigned int ve
data->acregmax = NFS_DEF_ACREGMAX;
data->acdirmin = NFS_DEF_ACDIRMIN;
data->acdirmax = NFS_DEF_ACDIRMAX;
+ data->nfs_prog = NFS_PROGRAM;
+ data->mount_prog = NFS_MNT_PROGRAM;
data->mount_server.port = NFS_UNSPEC_PORT;
data->nfs_server.port = NFS_UNSPEC_PORT;
data->nfs_server.protocol = XPRT_TRANSPORT_TCP;
@@ -1168,6 +1174,26 @@ static int nfs_parse_mount_options(char *raw,
goto out_invalid_value;
mnt->acdirmax = option;
break;
+ case Opt_mountprog:
+ string = match_strdup(args);
+ if (string == NULL)
+ goto out_nomem;
+ rc = strict_strtoul(string, 10, &option);
+ kfree(string);
+ if (rc != 0)
+ goto out_invalid_value;
+ mnt->mount_prog = option;
+ break;
+ case Opt_nfsprog:
+ string = match_strdup(args);
+ if (string == NULL)
+ goto out_nomem;
+ rc = strict_strtoul(string, 10, &option);
+ kfree(string);
+ if (rc != 0)
+ goto out_invalid_value;
+ mnt->nfs_prog = option;
+ break;
case Opt_actimeo:
string = match_strdup(args);
if (string == NULL)
@@ -1566,7 +1592,7 @@ static int nfs_try_mount(struct nfs_parsed_mount_data *args,
* Now ask the mount server to map our export path
* to a file handle.
*/
- status = nfs_mount(&request);
+ status = nfs_mount(&request,args->mount_prog);
if (status != 0) {
dfprintk(MOUNT, "NFS: unable to mount server %s, error %d\n",
request.hostname, status);
@@ -1739,6 +1765,7 @@ static int nfs_validate_mount_data(void *options,
{
struct nfs_mount_data *data = (struct nfs_mount_data *)options;
struct sockaddr *sap = (struct sockaddr *)&args->nfs_server.address;
+ args->nfs_prog = NFS_PROGRAM;
if (data == NULL)
goto out_no_data;
@@ -1758,6 +1785,8 @@ static int nfs_validate_mount_data(void *options,
goto out_no_sec;
case 5:
memset(data->context, 0, sizeof(data->context));
+ case 7:
+ args->nfs_prog = (data->version >= 7) ? data->nfs_prog : NFS_PROGRAM;
case 6:
if (data->flags & NFS_MOUNT_VER3) {
if (data->root.size > NFS3_FHSIZE || data->root.size == 0)
@@ -2476,6 +2505,8 @@ static int nfs4_validate_mount_data(void *options,
if (data == NULL)
goto out_no_data;
+ args->nfs_prog = NFS_PROGRAM;
+
switch (data->version) {
case 1:
if (data->host_addrlen > sizeof(args->nfs_server.address))
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index d6e10a4..585cba4 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -41,6 +41,7 @@ struct nfs_client {
u32 cl_minorversion;/* NFSv4 minorversion */
struct rpc_cred *cl_machine_cred;
+ int nfs_prog;
#ifdef CONFIG_NFS_V4
u64 cl_clientid; /* constant */
diff --git a/include/linux/nfs_mount.h b/include/linux/nfs_mount.h
index 4499016..86beb0c 100644
--- a/include/linux/nfs_mount.h
+++ b/include/linux/nfs_mount.h
@@ -20,7 +20,7 @@
* mount-to-kernel version compatibility. Some of these aren't used yet
* but here they are anyway.
*/
-#define NFS_MOUNT_VERSION 6
+#define NFS_MOUNT_VERSION 7
#define NFS_MAX_CONTEXT_LEN 256
struct nfs_mount_data {
@@ -43,6 +43,8 @@ struct nfs_mount_data {
struct nfs3_fh root; /* 4 */
int pseudoflavor; /* 5 */
char context[NFS_MAX_CONTEXT_LEN + 1]; /* 6 */
+ int nfs_prog; /* 7 */
+ int mount_prog; /* 7 */
};
/* bits in the flags field visible to user space */
--
1.7.9.1
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