summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--fs/nfs/client.c18
-rw-r--r--fs/nfs/internal.h6
-rw-r--r--fs/nfs/super.c121
3 files changed, 70 insertions, 75 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index a204484072f3..f51eabff3cd0 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -501,9 +501,9 @@ static int nfs_init_server_rpcclient(struct nfs_server *server, rpc_authflavor_t
/*
* Initialise an NFS2 or NFS3 client
*/
-static int nfs_init_client(struct nfs_client *clp, const struct nfs_mount_data *data)
+static int nfs_init_client(struct nfs_client *clp,
+ const struct nfs_parsed_mount_data *data)
{
- int proto = (data->flags & NFS_MOUNT_TCP) ? IPPROTO_TCP : IPPROTO_UDP;
int error;
if (clp->cl_cons_state == NFS_CS_READY) {
@@ -522,8 +522,8 @@ static int nfs_init_client(struct nfs_client *clp, const struct nfs_mount_data *
* Create a client RPC handle for doing FSSTAT with UNIX auth only
* - RFC 2623, sec 2.3.2
*/
- error = nfs_create_rpc_client(clp, proto, data->timeo, data->retrans,
- RPC_AUTH_UNIX, 0);
+ error = nfs_create_rpc_client(clp, data->nfs_server.protocol,
+ data->timeo, data->retrans, RPC_AUTH_UNIX, 0);
if (error < 0)
goto error;
nfs_mark_client_ready(clp, NFS_CS_READY);
@@ -538,7 +538,8 @@ error:
/*
* Create a version 2 or 3 client
*/
-static int nfs_init_server(struct nfs_server *server, const struct nfs_mount_data *data)
+static int nfs_init_server(struct nfs_server *server,
+ const struct nfs_parsed_mount_data *data)
{
struct nfs_client *clp;
int error, nfsvers = 2;
@@ -551,7 +552,8 @@ static int nfs_init_server(struct nfs_server *server, const struct nfs_mount_dat
#endif
/* Allocate or find a client reference we can use */
- clp = nfs_get_client(data->hostname, &data->addr, nfsvers);
+ clp = nfs_get_client(data->nfs_server.hostname,
+ &data->nfs_server.address, nfsvers);
if (IS_ERR(clp)) {
dprintk("<-- nfs_init_server() = error %ld\n", PTR_ERR(clp));
return PTR_ERR(clp);
@@ -581,7 +583,7 @@ static int nfs_init_server(struct nfs_server *server, const struct nfs_mount_dat
if (error < 0)
goto error;
- error = nfs_init_server_rpcclient(server, data->pseudoflavor);
+ error = nfs_init_server_rpcclient(server, data->auth_flavors[0]);
if (error < 0)
goto error;
@@ -760,7 +762,7 @@ void nfs_free_server(struct nfs_server *server)
* Create a version 2 or 3 volume record
* - keyed on server and FSID
*/
-struct nfs_server *nfs_create_server(const struct nfs_mount_data *data,
+struct nfs_server *nfs_create_server(const struct nfs_parsed_mount_data *data,
struct nfs_fh *mntfh)
{
struct nfs_server *server;
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 9c2d0fbb9f89..d28e54e4dee4 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -5,7 +5,6 @@
#include <linux/mount.h>
struct nfs_string;
-struct nfs_mount_data;
struct nfs4_mount_data;
/* Maximum number of readahead requests
@@ -65,8 +64,9 @@ extern struct rpc_program nfs_program;
extern void nfs_put_client(struct nfs_client *);
extern struct nfs_client *nfs_find_client(const struct sockaddr_in *, int);
-extern struct nfs_server *nfs_create_server(const struct nfs_mount_data *,
- struct nfs_fh *);
+extern struct nfs_server *nfs_create_server(
+ const struct nfs_parsed_mount_data *,
+ struct nfs_fh *);
extern struct nfs_server *nfs4_create_server(const struct nfs4_mount_data *,
const char *,
const struct sockaddr_in *,
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 2fd28c4df1d4..36a595a63536 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1041,15 +1041,31 @@ static int nfs_try_mount(struct nfs_parsed_mount_data *args,
* XXX: as far as I can tell, changing the NFS program number is not
* supported in the NFS client.
*/
-static int nfs_validate_mount_data(struct nfs_mount_data **options,
+static int nfs_validate_mount_data(void *options,
+ struct nfs_parsed_mount_data *args,
struct nfs_fh *mntfh,
const char *dev_name)
{
- struct nfs_mount_data *data = *options;
+ struct nfs_mount_data *data = (struct nfs_mount_data *)options;
if (data == NULL)
goto out_no_data;
+ memset(args, 0, sizeof(*args));
+ args->flags = (NFS_MOUNT_VER3 | NFS_MOUNT_TCP);
+ args->rsize = NFS_MAX_FILE_IO_SIZE;
+ args->wsize = NFS_MAX_FILE_IO_SIZE;
+ args->timeo = 600;
+ args->retrans = 2;
+ args->acregmin = 3;
+ args->acregmax = 60;
+ args->acdirmin = 30;
+ args->acdirmax = 60;
+ args->mount_server.protocol = IPPROTO_UDP;
+ args->mount_server.program = NFS_MNT_PROGRAM;
+ args->nfs_server.protocol = IPPROTO_TCP;
+ args->nfs_server.program = NFS_PROGRAM;
+
switch (data->version) {
case 1:
data->namlen = 0;
@@ -1078,90 +1094,67 @@ static int nfs_validate_mount_data(struct nfs_mount_data **options,
if (mntfh->size < sizeof(mntfh->data))
memset(mntfh->data + mntfh->size, 0,
sizeof(mntfh->data) - mntfh->size);
+ /*
+ * Translate to nfs_parsed_mount_data, which nfs_fill_super
+ * can deal with.
+ */
+ 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->acregmax = data->acregmax;
+ args->acdirmin = data->acdirmin;
+ args->acdirmax = data->acdirmax;
+ args->nfs_server.address = data->addr;
+ if (!(data->flags & NFS_MOUNT_TCP))
+ args->nfs_server.protocol = IPPROTO_UDP;
+ /* N.B. caller will free nfs_server.hostname in all cases */
+ args->nfs_server.hostname = kstrdup(data->hostname, GFP_KERNEL);
+ args->namlen = data->namlen;
+ args->bsize = data->bsize;
+ args->auth_flavors[0] = data->pseudoflavor;
break;
default: {
unsigned int len;
char *c;
int status;
- struct nfs_parsed_mount_data args = {
- .flags = (NFS_MOUNT_VER3 | NFS_MOUNT_TCP),
- .rsize = NFS_MAX_FILE_IO_SIZE,
- .wsize = NFS_MAX_FILE_IO_SIZE,
- .timeo = 600,
- .retrans = 2,
- .acregmin = 3,
- .acregmax = 60,
- .acdirmin = 30,
- .acdirmax = 60,
- .mount_server.protocol = IPPROTO_UDP,
- .mount_server.program = NFS_MNT_PROGRAM,
- .nfs_server.protocol = IPPROTO_TCP,
- .nfs_server.program = NFS_PROGRAM,
- };
- if (nfs_parse_mount_options((char *) *options, &args) == 0)
+ if (nfs_parse_mount_options((char *)options, args) == 0)
return -EINVAL;
- data = kzalloc(sizeof(*data), GFP_KERNEL);
- if (data == NULL)
- return -ENOMEM;
-
- /*
- * NB: after this point, caller will free "data"
- * if we return an error
- */
- *options = data;
-
c = strchr(dev_name, ':');
if (c == NULL)
return -EINVAL;
len = c - dev_name;
- if (len > sizeof(data->hostname))
- return -ENAMETOOLONG;
- strncpy(data->hostname, dev_name, len);
- args.nfs_server.hostname = data->hostname;
+ /* N.B. caller will free nfs_server.hostname in all cases */
+ args->nfs_server.hostname = kstrndup(dev_name, len, GFP_KERNEL);
c++;
if (strlen(c) > NFS_MAXPATHLEN)
return -ENAMETOOLONG;
- args.nfs_server.export_path = c;
+ args->nfs_server.export_path = c;
- status = nfs_try_mount(&args, mntfh);
+ status = nfs_try_mount(args, mntfh);
if (status)
return status;
- /*
- * Translate to nfs_mount_data, which nfs_fill_super
- * can deal with.
- */
- data->version = 6;
- data->flags = args.flags;
- data->rsize = args.rsize;
- data->wsize = args.wsize;
- data->timeo = args.timeo;
- data->retrans = args.retrans;
- data->acregmin = args.acregmin;
- data->acregmax = args.acregmax;
- data->acdirmin = args.acdirmin;
- data->acdirmax = args.acdirmax;
- data->addr = args.nfs_server.address;
- data->namlen = args.namlen;
- data->bsize = args.bsize;
- data->pseudoflavor = args.auth_flavors[0];
-
break;
}
}
- if (!(data->flags & NFS_MOUNT_SECFLAVOUR))
- data->pseudoflavor = RPC_AUTH_UNIX;
+ if (!(args->flags & NFS_MOUNT_SECFLAVOUR))
+ args->auth_flavors[0] = RPC_AUTH_UNIX;
#ifndef CONFIG_NFS_V3
- if (data->flags & NFS_MOUNT_VER3)
+ if (args->flags & NFS_MOUNT_VER3)
goto out_v3_not_compiled;
#endif /* !CONFIG_NFS_V3 */
- if (!nfs_verify_server_address((struct sockaddr *) &data->addr))
+ if (!nfs_verify_server_address((struct sockaddr *)
+ &args->nfs_server.address))
goto out_no_address;
return 0;
@@ -1220,7 +1213,8 @@ static inline void nfs_initialise_sb(struct super_block *sb)
/*
* Finish setting up an NFS2/3 superblock
*/
-static void nfs_fill_super(struct super_block *sb, struct nfs_mount_data *data)
+static void nfs_fill_super(struct super_block *sb,
+ struct nfs_parsed_mount_data *data)
{
struct nfs_server *server = NFS_SB(sb);
@@ -1341,7 +1335,7 @@ static int nfs_get_sb(struct file_system_type *fs_type,
struct nfs_server *server = NULL;
struct super_block *s;
struct nfs_fh mntfh;
- struct nfs_mount_data *data = raw_data;
+ struct nfs_parsed_mount_data data;
struct dentry *mntroot;
int (*compare_super)(struct super_block *, void *) = nfs_compare_super;
struct nfs_sb_mountdata sb_mntdata = {
@@ -1350,12 +1344,12 @@ static int nfs_get_sb(struct file_system_type *fs_type,
int error;
/* Validate the mount data */
- error = nfs_validate_mount_data(&data, &mntfh, dev_name);
+ error = nfs_validate_mount_data(raw_data, &data, &mntfh, dev_name);
if (error < 0)
goto out;
/* Get a volume representation */
- server = nfs_create_server(data, &mntfh);
+ server = nfs_create_server(&data, &mntfh);
if (IS_ERR(server)) {
error = PTR_ERR(server);
goto out;
@@ -1379,7 +1373,7 @@ static int nfs_get_sb(struct file_system_type *fs_type,
if (!s->s_root) {
/* initial superblock/root creation */
- nfs_fill_super(s, data);
+ nfs_fill_super(s, &data);
}
mntroot = nfs_get_root(s, &mntfh);
@@ -1394,8 +1388,7 @@ static int nfs_get_sb(struct file_system_type *fs_type,
error = 0;
out:
- if (data != raw_data)
- kfree(data);
+ kfree(data.nfs_server.hostname);
return error;
out_err_nosb:
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-11-01 15:27:24 +0100