};
-static void nfs_umount_begin(struct vfsmount *, int);
+static void nfs_umount_begin(struct super_block *);
static int nfs_statfs(struct dentry *, struct kstatfs *);
static int nfs_show_options(struct seq_file *, struct vfsmount *);
static int nfs_show_stats(struct seq_file *, struct vfsmount *);
return 0;
out_err:
- dprintk("%s: statfs error = %d\n", __FUNCTION__, -error);
+ dprintk("%s: statfs error = %d\n", __func__, -error);
unlock_kernel();
return error;
}
return sec_flavours[i].str;
}
+static void nfs_show_mountd_options(struct seq_file *m, struct nfs_server *nfss,
+ int showdefaults)
+{
+ struct sockaddr *sap = (struct sockaddr *)&nfss->mountd_address;
+
+ switch (sap->sa_family) {
+ case AF_INET: {
+ struct sockaddr_in *sin = (struct sockaddr_in *)sap;
+ seq_printf(m, ",mountaddr=" NIPQUAD_FMT,
+ NIPQUAD(sin->sin_addr.s_addr));
+ break;
+ }
+ case AF_INET6: {
+ struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sap;
+ seq_printf(m, ",mountaddr=" NIP6_FMT,
+ NIP6(sin6->sin6_addr));
+ break;
+ }
+ default:
+ if (showdefaults)
+ seq_printf(m, ",mountaddr=unspecified");
+ }
+
+ if (nfss->mountd_version || showdefaults)
+ seq_printf(m, ",mountvers=%u", nfss->mountd_version);
+ if (nfss->mountd_port || showdefaults)
+ seq_printf(m, ",mountport=%u", nfss->mountd_port);
+
+ switch (nfss->mountd_protocol) {
+ case IPPROTO_UDP:
+ seq_printf(m, ",mountproto=udp");
+ break;
+ case IPPROTO_TCP:
+ seq_printf(m, ",mountproto=tcp");
+ break;
+ default:
+ if (showdefaults)
+ seq_printf(m, ",mountproto=auto");
+ }
+}
+
/*
* Describe the mount options in force on this server representation
*/
-static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss, int showdefaults)
+static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss,
+ int showdefaults)
{
static const struct proc_nfs_info {
int flag;
const char *nostr;
} nfs_info[] = {
{ NFS_MOUNT_SOFT, ",soft", ",hard" },
+ { NFS_MOUNT_INTR, ",intr", ",nointr" },
+ { NFS_MOUNT_POSIX, ",posix", "" },
{ NFS_MOUNT_NOCTO, ",nocto", "" },
{ NFS_MOUNT_NOAC, ",noac", "" },
{ NFS_MOUNT_NONLM, ",nolock", "" },
};
const struct proc_nfs_info *nfs_infop;
struct nfs_client *clp = nfss->nfs_client;
-
- seq_printf(m, ",vers=%d", clp->rpc_ops->version);
- seq_printf(m, ",rsize=%d", nfss->rsize);
- seq_printf(m, ",wsize=%d", nfss->wsize);
+ u32 version = clp->rpc_ops->version;
+
+ seq_printf(m, ",vers=%u", version);
+ seq_printf(m, ",rsize=%u", nfss->rsize);
+ seq_printf(m, ",wsize=%u", nfss->wsize);
+ if (nfss->bsize != 0)
+ seq_printf(m, ",bsize=%u", nfss->bsize);
+ seq_printf(m, ",namlen=%u", nfss->namelen);
if (nfss->acregmin != 3*HZ || showdefaults)
- seq_printf(m, ",acregmin=%d", nfss->acregmin/HZ);
+ seq_printf(m, ",acregmin=%u", nfss->acregmin/HZ);
if (nfss->acregmax != 60*HZ || showdefaults)
- seq_printf(m, ",acregmax=%d", nfss->acregmax/HZ);
+ seq_printf(m, ",acregmax=%u", nfss->acregmax/HZ);
if (nfss->acdirmin != 30*HZ || showdefaults)
- seq_printf(m, ",acdirmin=%d", nfss->acdirmin/HZ);
+ seq_printf(m, ",acdirmin=%u", nfss->acdirmin/HZ);
if (nfss->acdirmax != 60*HZ || showdefaults)
- seq_printf(m, ",acdirmax=%d", nfss->acdirmax/HZ);
+ seq_printf(m, ",acdirmax=%u", nfss->acdirmax/HZ);
for (nfs_infop = nfs_info; nfs_infop->flag; nfs_infop++) {
if (nfss->flags & nfs_infop->flag)
seq_puts(m, nfs_infop->str);
}
seq_printf(m, ",proto=%s",
rpc_peeraddr2str(nfss->client, RPC_DISPLAY_PROTO));
+ if (version == 4) {
+ if (nfss->port != NFS_PORT)
+ seq_printf(m, ",port=%u", nfss->port);
+ } else
+ if (nfss->port)
+ seq_printf(m, ",port=%u", nfss->port);
+
seq_printf(m, ",timeo=%lu", 10U * nfss->client->cl_timeout->to_initval / HZ);
seq_printf(m, ",retrans=%u", nfss->client->cl_timeout->to_retries);
seq_printf(m, ",sec=%s", nfs_pseudoflavour_to_name(nfss->client->cl_auth->au_flavor));
+
+ if (version != 4)
+ nfs_show_mountd_options(m, nfss, showdefaults);
+
+#ifdef CONFIG_NFS_V4
+ if (clp->rpc_ops->version == 4)
+ seq_printf(m, ",clientaddr=%s", clp->cl_ipaddr);
+#endif
}
/*
seq_printf(m, "\n\tcaps:\t");
seq_printf(m, "caps=0x%x", nfss->caps);
- seq_printf(m, ",wtmult=%d", nfss->wtmult);
- seq_printf(m, ",dtsize=%d", nfss->dtsize);
- seq_printf(m, ",bsize=%d", nfss->bsize);
- seq_printf(m, ",namelen=%d", nfss->namelen);
+ seq_printf(m, ",wtmult=%u", nfss->wtmult);
+ seq_printf(m, ",dtsize=%u", nfss->dtsize);
+ seq_printf(m, ",bsize=%u", nfss->bsize);
+ seq_printf(m, ",namlen=%u", nfss->namelen);
#ifdef CONFIG_NFS_V4
if (nfss->nfs_client->rpc_ops->version == 4) {
/*
* Display security flavor in effect for this mount
*/
- seq_printf(m, "\n\tsec:\tflavor=%d", auth->au_ops->au_flavor);
+ seq_printf(m, "\n\tsec:\tflavor=%u", auth->au_ops->au_flavor);
if (auth->au_flavor)
- seq_printf(m, ",pseudoflavor=%d", auth->au_flavor);
+ seq_printf(m, ",pseudoflavor=%u", auth->au_flavor);
/*
* Display superblock I/O counters
* Begin unmount by attempting to remove all automounted mountpoints we added
* in response to xdev traversals and referrals
*/
-static void nfs_umount_begin(struct vfsmount *vfsmnt, int flags)
+static void nfs_umount_begin(struct super_block *sb)
{
- struct nfs_server *server = NFS_SB(vfsmnt->mnt_sb);
+ struct nfs_server *server = NFS_SB(sb);
struct rpc_clnt *rpc;
- if (!(flags & MNT_FORCE))
- return;
/* -EIO all pending I/O */
rpc = server->client_acl;
if (!IS_ERR(rpc))
struct nfs_parsed_mount_data *mnt)
{
char *p, *string, *secdata;
- unsigned short port = 0;
int rc;
if (!raw) {
return 0;
if (option < 0 || option > 65535)
return 0;
- port = option;
+ mnt->nfs_server.port = option;
break;
case Opt_rsize:
if (match_int(args, &mnt->rsize))
}
}
- nfs_set_port((struct sockaddr *)&mnt->nfs_server.address, port);
+ nfs_set_port((struct sockaddr *)&mnt->nfs_server.address,
+ mnt->nfs_server.port);
return 1;
args->acregmax = 60;
args->acdirmin = 30;
args->acdirmax = 60;
+ args->mount_server.port = 0; /* autobind unless user sets port */
args->mount_server.protocol = XPRT_TRANSPORT_UDP;
+ args->nfs_server.port = 0; /* autobind unless user sets port */
args->nfs_server.protocol = XPRT_TRANSPORT_TCP;
switch (data->version) {
args->flags = data->flags;
args->rsize = data->rsize;
args->wsize = data->wsize;
- args->flags = data->flags;
args->timeo = data->timeo;
args->retrans = data->retrans;
args->acregmin = data->acregmin;
args->namlen = data->namlen;
args->bsize = data->bsize;
args->auth_flavors[0] = data->pseudoflavor;
+ if (!args->nfs_server.hostname)
+ goto out_nomem;
/*
* The legacy version 6 binary mount data from userspace has a
len = c - dev_name;
/* N.B. caller will free nfs_server.hostname in all cases */
args->nfs_server.hostname = kstrndup(dev_name, len, GFP_KERNEL);
+ if (!args->nfs_server.hostname)
+ goto out_nomem;
c++;
if (strlen(c) > NFS_MAXPATHLEN)
return -EPROTONOSUPPORT;
#endif /* !CONFIG_NFS_V3 */
+out_nomem:
+ dfprintk(MOUNT, "NFS: not enough memory to handle mount options\n");
+ return -ENOMEM;
+
out_no_address:
dfprintk(MOUNT, "NFS: mount program didn't pass remote address\n");
return -EINVAL;
return nfs_compare_mount_options(sb, server, mntflags);
}
+static int nfs_bdi_register(struct nfs_server *server)
+{
+ return bdi_register_dev(&server->backing_dev_info, server->s_dev);
+}
+
static int nfs_get_sb(struct file_system_type *fs_type,
int flags, const char *dev_name, void *raw_data, struct vfsmount *mnt)
{
if (s->s_fs_info != server) {
nfs_free_server(server);
server = NULL;
+ } else {
+ error = nfs_bdi_register(server);
+ if (error)
+ goto error_splat_super;
}
if (!s->s_root) {
{
struct nfs_server *server = NFS_SB(s);
+ bdi_unregister(&server->backing_dev_info);
kill_anon_super(s);
nfs_free_server(server);
}
if (s->s_fs_info != server) {
nfs_free_server(server);
server = NULL;
+ } else {
+ error = nfs_bdi_register(server);
+ if (error)
+ goto error_splat_super;
}
if (!s->s_root) {
nfs_initialise_sb(sb);
}
-/*
- * If the user didn't specify a port, set the port number to
- * the NFS version 4 default port.
- */
-static void nfs4_default_port(struct sockaddr *sap)
-{
- switch (sap->sa_family) {
- case AF_INET: {
- struct sockaddr_in *ap = (struct sockaddr_in *)sap;
- if (ap->sin_port == 0)
- ap->sin_port = htons(NFS_PORT);
- break;
- }
- case AF_INET6: {
- struct sockaddr_in6 *ap = (struct sockaddr_in6 *)sap;
- if (ap->sin6_port == 0)
- ap->sin6_port = htons(NFS_PORT);
- break;
- }
- }
-}
-
/*
* Validate NFSv4 mount options
*/
args->acregmax = 60;
args->acdirmin = 30;
args->acdirmax = 60;
+ args->nfs_server.port = NFS_PORT; /* 2049 unless user set port= */
args->nfs_server.protocol = XPRT_TRANSPORT_TCP;
switch (data->version) {
&args->nfs_server.address))
goto out_no_address;
- nfs4_default_port((struct sockaddr *)
- &args->nfs_server.address);
-
switch (data->auth_flavourlen) {
case 0:
args->auth_flavors[0] = RPC_AUTH_UNIX;
&args->nfs_server.address))
return -EINVAL;
- nfs4_default_port((struct sockaddr *)
- &args->nfs_server.address);
-
switch (args->auth_flavor_len) {
case 0:
args->auth_flavors[0] = RPC_AUTH_UNIX;
return -ENAMETOOLONG;
/* N.B. caller will free nfs_server.hostname in all cases */
args->nfs_server.hostname = kstrndup(dev_name, len, GFP_KERNEL);
+ if (!args->nfs_server.hostname)
+ goto out_nomem;
c++; /* step over the ':' */
len = strlen(c);
if (len > NFS4_MAXPATHLEN)
return -ENAMETOOLONG;
args->nfs_server.export_path = kstrndup(c, len, GFP_KERNEL);
+ if (!args->nfs_server.export_path)
+ goto out_nomem;
dprintk("NFS: MNTPATH: '%s'\n", args->nfs_server.export_path);
data->auth_flavourlen);
return -EINVAL;
+out_nomem:
+ dfprintk(MOUNT, "NFS4: not enough memory to handle mount options\n");
+ return -ENOMEM;
+
out_no_address:
dfprintk(MOUNT, "NFS4: mount program didn't pass remote address\n");
return -EINVAL;
if (s->s_fs_info != server) {
nfs_free_server(server);
server = NULL;
+ } else {
+ error = nfs_bdi_register(server);
+ if (error)
+ goto error_splat_super;
}
if (!s->s_root) {
goto error_splat_super;
}
+ error = security_sb_set_mnt_opts(s, &data.lsm_opts);
+ if (error)
+ goto error_splat_root;
+
s->s_flags |= MS_ACTIVE;
mnt->mnt_sb = s;
mnt->mnt_root = mntroot;
nfs_free_server(server);
goto out;
+error_splat_root:
+ dput(mntroot);
error_splat_super:
up_write(&s->s_umount);
deactivate_super(s);
if (s->s_fs_info != server) {
nfs_free_server(server);
server = NULL;
+ } else {
+ error = nfs_bdi_register(server);
+ if (error)
+ goto error_splat_super;
}
if (!s->s_root) {
mnt->mnt_sb = s;
mnt->mnt_root = mntroot;
+ security_sb_clone_mnt_opts(data->sb, s);
+
dprintk("<-- nfs4_xdev_get_sb() = 0\n");
return 0;
if (s->s_fs_info != server) {
nfs_free_server(server);
server = NULL;
+ } else {
+ error = nfs_bdi_register(server);
+ if (error)
+ goto error_splat_super;
}
if (!s->s_root) {
mnt->mnt_sb = s;
mnt->mnt_root = mntroot;
+ security_sb_clone_mnt_opts(data->sb, s);
+
dprintk("<-- nfs4_referral_get_sb() = 0\n");
return 0;
git.openpandora.org / pandora-kernel.git / blobdiff