Add some data structures and definitions to support parsing NFS mount
options in the kernel NFS client.
Signed-off-by: Chuck Lever <[EMAIL PROTECTED]>
---
fs/nfs/super.c | 79 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 79 insertions(+), 0 deletions(-)
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 31f7313..1974648 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -45,6 +45,7 @@
#include <linux/inet.h>
#include <linux/nfs_xdr.h>
#include <linux/magic.h>
+#include <linux/parser.h>
#include <asm/system.h>
#include <asm/uaccess.h>
@@ -57,6 +58,84 @@
#define NFSDBG_FACILITY NFSDBG_VFS
+
+struct nfs_mount_args {
+ struct nfs_mount_data nmd;
+ unsigned int nfsprog;
+ unsigned use_mnthost;
+ struct sockaddr_in mnthost;
+ unsigned int mntprog;
+ unsigned int mntvers;
+ unsigned short mntport;
+};
+
+struct nfs4_mount_args {
+ struct nfs4_mount_data nmd;
+ struct sockaddr_in addr;
+ char clientaddr[16];
+ int authflavor;
+};
+
+enum {
+ /* Mount options that take no arguments */
+ Opt_soft, Opt_hard,
+ Opt_intr, Opt_nointr,
+ Opt_posix, Opt_noposix,
+ Opt_cto, Opt_nocto,
+ Opt_ac, Opt_noac,
+ Opt_lock, Opt_nolock,
+ Opt_v2, Opt_v3,
+ Opt_udp, Opt_tcp,
+ Opt_acl, Opt_noacl,
+
+ /* Mount options that take integer arguments */
+ Opt_port,
+ Opt_rsize, Opt_wsize,
+ Opt_timeo, Opt_retrans,
+ Opt_acregmin, Opt_acregmax,
+ Opt_acdirmin, Opt_acdirmax,
+ Opt_actimeo,
+ Opt_namelen,
+ Opt_mountport,
+ Opt_mountprog, Opt_mountvers,
+ Opt_nfsprog, Opt_nfsvers,
+
+ /* Mount options that take string arguments */
+ Opt_sec, Opt_proto, Opt_addr,
+ Opt_mounthost, Opt_clientaddr, Opt_context,
+
+ /* Mount options that are ignored */
+ Opt_userspace, Opt_deprecated,
+
+ Opt_err,
+};
+
+enum {
+ Opt_sec_none, Opt_sec_sys,
+ Opt_sec_krb5, Opt_sec_krb5i, Opt_sec_krb5p,
+ Opt_sec_lkey, Opt_sec_lkeyi, Opt_sec_lkeyp,
+ Opt_sec_spkm, Opt_sec_spkmi, Opt_sec_spkmp,
+
+ Opt_sec_err,
+};
+
+static match_table_t nfs_sec_tokens = {
+ {Opt_sec_none, "none"},
+ {Opt_sec_none, "null"},
+ {Opt_sec_sys, "sys"},
+
+ {Opt_sec_krb5, "krb5"},
+ {Opt_sec_krb5i, "krb5i"},
+ {Opt_sec_krb5p, "krb5p"},
+
+ {Opt_sec_lkey, "lkey"},
+ {Opt_sec_lkeyi, "lkeyi"},
+ {Opt_sec_lkeyp, "lkeyp"},
+
+ {Opt_sec_err, NULL},
+};
+
+
static void nfs_umount_begin(struct vfsmount *, int);
static int nfs_statfs(struct dentry *, struct kstatfs *);
static int nfs_show_options(struct seq_file *, struct vfsmount *);
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