Use struct path in struct svc_export
Jan Blunck [Fri, 15 Feb 2008 03:38:39 +0000 (19:38 -0800)]
I'm embedding struct path into struct svc_export.

[akpm@linux-foundation.org: coding-style fixes]
[ezk@cs.sunysb.edu: NFSD: fix wrong mnt_writer count in rename]
Signed-off-by: Jan Blunck <jblunck@suse.de>
Acked-by: J. Bruce Fields <bfields@citi.umich.edu>
Acked-by: Christoph Hellwig <hch@infradead.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Neil Brown <neilb@suse.de>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/nfsd/export.c
fs/nfsd/nfs3proc.c
fs/nfsd/nfs3xdr.c
fs/nfsd/nfs4xdr.c
fs/nfsd/nfsfh.c
fs/nfsd/nfsproc.c
fs/nfsd/nfsxdr.c
fs/nfsd/vfs.c
include/linux/nfsd/export.h

index 717413f..7d78968 100644 (file)
@@ -332,10 +332,9 @@ static void nfsd4_fslocs_free(struct nfsd4_fs_locations *fsloc)
 static void svc_export_put(struct kref *ref)
 {
        struct svc_export *exp = container_of(ref, struct svc_export, h.ref);
-       dput(exp->ex_dentry);
-       mntput(exp->ex_mnt);
+       path_put(&exp->ex_path);
        auth_domain_put(exp->ex_client);
-       kfree(exp->ex_path);
+       kfree(exp->ex_pathname);
        nfsd4_fslocs_free(&exp->ex_fslocs);
        kfree(exp);
 }
@@ -349,7 +348,7 @@ static void svc_export_request(struct cache_detail *cd,
        char *pth;
 
        qword_add(bpp, blen, exp->ex_client->name);
-       pth = d_path(exp->ex_dentry, exp->ex_mnt, *bpp, *blen);
+       pth = d_path(exp->ex_path.dentry, exp->ex_path.mnt, *bpp, *blen);
        if (IS_ERR(pth)) {
                /* is this correct? */
                (*bpp)[0] = '\n';
@@ -508,7 +507,7 @@ static int svc_export_parse(struct cache_detail *cd, char *mesg, int mlen)
        int an_int;
 
        nd.path.dentry = NULL;
-       exp.ex_path = NULL;
+       exp.ex_pathname = NULL;
 
        /* fs locations */
        exp.ex_fslocs.locations = NULL;
@@ -547,11 +546,11 @@ static int svc_export_parse(struct cache_detail *cd, char *mesg, int mlen)
 
        exp.h.flags = 0;
        exp.ex_client = dom;
-       exp.ex_mnt = nd.path.mnt;
-       exp.ex_dentry = nd.path.dentry;
-       exp.ex_path = kstrdup(buf, GFP_KERNEL);
+       exp.ex_path.mnt = nd.path.mnt;
+       exp.ex_path.dentry = nd.path.dentry;
+       exp.ex_pathname = kstrdup(buf, GFP_KERNEL);
        err = -ENOMEM;
-       if (!exp.ex_path)
+       if (!exp.ex_pathname)
                goto out;
 
        /* expiry */
@@ -628,7 +627,7 @@ static int svc_export_parse(struct cache_detail *cd, char *mesg, int mlen)
  out:
        nfsd4_fslocs_free(&exp.ex_fslocs);
        kfree(exp.ex_uuid);
-       kfree(exp.ex_path);
+       kfree(exp.ex_pathname);
        if (nd.path.dentry)
                path_put(&nd.path);
  out_no_path:
@@ -653,7 +652,7 @@ static int svc_export_show(struct seq_file *m,
                return 0;
        }
        exp = container_of(h, struct svc_export, h);
-       seq_path(m, exp->ex_mnt, exp->ex_dentry, " \t\n\\");
+       seq_path(m, exp->ex_path.mnt, exp->ex_path.dentry, " \t\n\\");
        seq_putc(m, '\t');
        seq_escape(m, exp->ex_client->name, " \t\n\\");
        seq_putc(m, '(');
@@ -680,8 +679,8 @@ static int svc_export_match(struct cache_head *a, struct cache_head *b)
        struct svc_export *orig = container_of(a, struct svc_export, h);
        struct svc_export *new = container_of(b, struct svc_export, h);
        return orig->ex_client == new->ex_client &&
-               orig->ex_dentry == new->ex_dentry &&
-               orig->ex_mnt == new->ex_mnt;
+               orig->ex_path.dentry == new->ex_path.dentry &&
+               orig->ex_path.mnt == new->ex_path.mnt;
 }
 
 static void svc_export_init(struct cache_head *cnew, struct cache_head *citem)
@@ -691,9 +690,9 @@ static void svc_export_init(struct cache_head *cnew, struct cache_head *citem)
 
        kref_get(&item->ex_client->ref);
        new->ex_client = item->ex_client;
-       new->ex_dentry = dget(item->ex_dentry);
-       new->ex_mnt = mntget(item->ex_mnt);
-       new->ex_path = NULL;
+       new->ex_path.dentry = dget(item->ex_path.dentry);
+       new->ex_path.mnt = mntget(item->ex_path.mnt);
+       new->ex_pathname = NULL;
        new->ex_fslocs.locations = NULL;
        new->ex_fslocs.locations_count = 0;
        new->ex_fslocs.migrated = 0;
@@ -711,8 +710,8 @@ static void export_update(struct cache_head *cnew, struct cache_head *citem)
        new->ex_fsid = item->ex_fsid;
        new->ex_uuid = item->ex_uuid;
        item->ex_uuid = NULL;
-       new->ex_path = item->ex_path;
-       item->ex_path = NULL;
+       new->ex_pathname = item->ex_pathname;
+       item->ex_pathname = NULL;
        new->ex_fslocs.locations = item->ex_fslocs.locations;
        item->ex_fslocs.locations = NULL;
        new->ex_fslocs.locations_count = item->ex_fslocs.locations_count;
@@ -755,8 +754,8 @@ svc_export_lookup(struct svc_export *exp)
        struct cache_head *ch;
        int hash;
        hash = hash_ptr(exp->ex_client, EXPORT_HASHBITS);
-       hash ^= hash_ptr(exp->ex_dentry, EXPORT_HASHBITS);
-       hash ^= hash_ptr(exp->ex_mnt, EXPORT_HASHBITS);
+       hash ^= hash_ptr(exp->ex_path.dentry, EXPORT_HASHBITS);
+       hash ^= hash_ptr(exp->ex_path.mnt, EXPORT_HASHBITS);
 
        ch = sunrpc_cache_lookup(&svc_export_cache, &exp->h,
                                 hash);
@@ -772,8 +771,8 @@ svc_export_update(struct svc_export *new, struct svc_export *old)
        struct cache_head *ch;
        int hash;
        hash = hash_ptr(old->ex_client, EXPORT_HASHBITS);
-       hash ^= hash_ptr(old->ex_dentry, EXPORT_HASHBITS);
-       hash ^= hash_ptr(old->ex_mnt, EXPORT_HASHBITS);
+       hash ^= hash_ptr(old->ex_path.dentry, EXPORT_HASHBITS);
+       hash ^= hash_ptr(old->ex_path.mnt, EXPORT_HASHBITS);
 
        ch = sunrpc_cache_update(&svc_export_cache, &new->h,
                                 &old->h,
@@ -815,8 +814,8 @@ static int exp_set_key(svc_client *clp, int fsid_type, u32 *fsidv,
        key.ek_client = clp;
        key.ek_fsidtype = fsid_type;
        memcpy(key.ek_fsid, fsidv, key_len(fsid_type));
-       key.ek_mnt = exp->ex_mnt;
-       key.ek_dentry = exp->ex_dentry;
+       key.ek_mnt = exp->ex_path.mnt;
+       key.ek_dentry = exp->ex_path.dentry;
        key.h.expiry_time = NEVER;
        key.h.flags = 0;
 
@@ -870,8 +869,8 @@ static svc_export *exp_get_by_name(svc_client *clp, struct vfsmount *mnt,
                return ERR_PTR(-ENOENT);
 
        key.ex_client = clp;
-       key.ex_mnt = mnt;
-       key.ex_dentry = dentry;
+       key.ex_path.mnt = mnt;
+       key.ex_path.dentry = dentry;
 
        exp = svc_export_lookup(&key);
        if (exp == NULL)
@@ -968,7 +967,7 @@ static int exp_fsid_hash(svc_client *clp, struct svc_export *exp)
 static int exp_hash(struct auth_domain *clp, struct svc_export *exp)
 {
        u32 fsid[2];
-       struct inode *inode = exp->ex_dentry->d_inode;
+       struct inode *inode = exp->ex_path.dentry->d_inode;
        dev_t dev = inode->i_sb->s_dev;
 
        if (old_valid_dev(dev)) {
@@ -982,7 +981,7 @@ static int exp_hash(struct auth_domain *clp, struct svc_export *exp)
 static void exp_unhash(struct svc_export *exp)
 {
        struct svc_expkey *ek;
-       struct inode *inode = exp->ex_dentry->d_inode;
+       struct inode *inode = exp->ex_path.dentry->d_inode;
 
        ek = exp_get_key(exp->ex_client, inode->i_sb->s_dev, inode->i_ino);
        if (!IS_ERR(ek)) {
@@ -1064,12 +1063,11 @@ exp_export(struct nfsctl_export *nxp)
 
        new.h.expiry_time = NEVER;
        new.h.flags = 0;
-       new.ex_path = kstrdup(nxp->ex_path, GFP_KERNEL);
-       if (!new.ex_path)
+       new.ex_pathname = kstrdup(nxp->ex_path, GFP_KERNEL);
+       if (!new.ex_pathname)
                goto finish;
        new.ex_client = clp;
-       new.ex_mnt = nd.path.mnt;
-       new.ex_dentry = nd.path.dentry;
+       new.ex_path = nd.path;
        new.ex_flags = nxp->ex_flags;
        new.ex_anon_uid = nxp->ex_anon_uid;
        new.ex_anon_gid = nxp->ex_anon_gid;
@@ -1090,8 +1088,7 @@ exp_export(struct nfsctl_export *nxp)
        } else
                err = 0;
 finish:
-       if (new.ex_path)
-               kfree(new.ex_path);
+       kfree(new.ex_pathname);
        if (exp)
                exp_put(exp);
        if (fsid_key && !IS_ERR(fsid_key))
@@ -1360,7 +1357,7 @@ exp_pseudoroot(struct svc_rqst *rqstp, struct svc_fh *fhp)
        exp = rqst_exp_find(rqstp, FSID_NUM, fsidv);
        if (IS_ERR(exp))
                return nfserrno(PTR_ERR(exp));
-       rv = fh_compose(fhp, exp, exp->ex_dentry, NULL);
+       rv = fh_compose(fhp, exp, exp->ex_path.dentry, NULL);
        if (rv)
                goto out;
        rv = check_nfsd_access(exp, rqstp);
index eac8283..c721a1e 100644 (file)
@@ -67,7 +67,7 @@ nfsd3_proc_getattr(struct svc_rqst *rqstp, struct nfsd_fhandle  *argp,
        if (nfserr)
                RETURN_STATUS(nfserr);
 
-       err = vfs_getattr(resp->fh.fh_export->ex_mnt,
+       err = vfs_getattr(resp->fh.fh_export->ex_path.mnt,
                          resp->fh.fh_dentry, &resp->stat);
        nfserr = nfserrno(err);
 
index d7647f7..17d0dd9 100644 (file)
@@ -218,7 +218,7 @@ encode_post_op_attr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp)
                int err;
                struct kstat stat;
 
-               err = vfs_getattr(fhp->fh_export->ex_mnt, dentry, &stat);
+               err = vfs_getattr(fhp->fh_export->ex_path.mnt, dentry, &stat);
                if (!err) {
                        *p++ = xdr_one;         /* attributes follow */
                        lease_get_mtime(dentry->d_inode, &stat.mtime);
@@ -270,7 +270,7 @@ void fill_post_wcc(struct svc_fh *fhp)
        if (fhp->fh_post_saved)
                printk("nfsd: inode locked twice during operation.\n");
 
-       err = vfs_getattr(fhp->fh_export->ex_mnt, fhp->fh_dentry,
+       err = vfs_getattr(fhp->fh_export->ex_path.mnt, fhp->fh_dentry,
                        &fhp->fh_post_attr);
        if (err)
                fhp->fh_post_saved = 0;
index b0592e7..0e6a179 100644 (file)
@@ -1330,9 +1330,9 @@ static char *nfsd4_path(struct svc_rqst *rqstp, struct svc_export *exp, __be32 *
        *stat = exp_pseudoroot(rqstp, &tmp_fh);
        if (*stat)
                return NULL;
-       rootpath = tmp_fh.fh_export->ex_path;
+       rootpath = tmp_fh.fh_export->ex_pathname;
 
-       path = exp->ex_path;
+       path = exp->ex_pathname;
 
        if (strncmp(path, rootpath, strlen(rootpath))) {
                dprintk("nfsd: fs_locations failed;"
@@ -1481,7 +1481,7 @@ nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
                        goto out;
        }
 
-       err = vfs_getattr(exp->ex_mnt, dentry, &stat);
+       err = vfs_getattr(exp->ex_path.mnt, dentry, &stat);
        if (err)
                goto out_nfserr;
        if ((bmval0 & (FATTR4_WORD0_FILES_FREE | FATTR4_WORD0_FILES_TOTAL |
@@ -1838,9 +1838,9 @@ out_acl:
                 * and this is the root of a cross-mounted filesystem.
                 */
                if (ignore_crossmnt == 0 &&
-                   exp->ex_mnt->mnt_root->d_inode == dentry->d_inode) {
-                       err = vfs_getattr(exp->ex_mnt->mnt_parent,
-                               exp->ex_mnt->mnt_mountpoint, &stat);
+                   exp->ex_path.mnt->mnt_root->d_inode == dentry->d_inode) {
+                       err = vfs_getattr(exp->ex_path.mnt->mnt_parent,
+                               exp->ex_path.mnt->mnt_mountpoint, &stat);
                        if (err)
                                goto out_nfserr;
                }
index 8fbd2dc..0130b34 100644 (file)
@@ -47,7 +47,7 @@ static int nfsd_acceptable(void *expv, struct dentry *dentry)
                return 1;
 
        tdentry = dget(dentry);
-       while (tdentry != exp->ex_dentry && ! IS_ROOT(tdentry)) {
+       while (tdentry != exp->ex_path.dentry && !IS_ROOT(tdentry)) {
                /* make sure parents give x permission to user */
                int err;
                parent = dget_parent(tdentry);
@@ -59,9 +59,9 @@ static int nfsd_acceptable(void *expv, struct dentry *dentry)
                dput(tdentry);
                tdentry = parent;
        }
-       if (tdentry != exp->ex_dentry)
+       if (tdentry != exp->ex_path.dentry)
                dprintk("nfsd_acceptable failed at %p %s\n", tdentry, tdentry->d_name.name);
-       rv = (tdentry == exp->ex_dentry);
+       rv = (tdentry == exp->ex_path.dentry);
        dput(tdentry);
        return rv;
 }
@@ -209,9 +209,9 @@ fh_verify(struct svc_rqst *rqstp, struct svc_fh *fhp, int type, int access)
                        fileid_type = fh->fh_fileid_type;
 
                if (fileid_type == FILEID_ROOT)
-                       dentry = dget(exp->ex_dentry);
+                       dentry = dget(exp->ex_path.dentry);
                else {
-                       dentry = exportfs_decode_fh(exp->ex_mnt, fid,
+                       dentry = exportfs_decode_fh(exp->ex_path.mnt, fid,
                                        data_left, fileid_type,
                                        nfsd_acceptable, exp);
                }
@@ -299,7 +299,7 @@ out:
 static void _fh_update(struct svc_fh *fhp, struct svc_export *exp,
                struct dentry *dentry)
 {
-       if (dentry != exp->ex_dentry) {
+       if (dentry != exp->ex_path.dentry) {
                struct fid *fid = (struct fid *)
                        (fhp->fh_handle.fh_auth + fhp->fh_handle.fh_size/4 - 1);
                int maxsize = (fhp->fh_maxsize - fhp->fh_handle.fh_size)/4;
@@ -344,12 +344,12 @@ fh_compose(struct svc_fh *fhp, struct svc_export *exp, struct dentry *dentry,
        struct inode * inode = dentry->d_inode;
        struct dentry *parent = dentry->d_parent;
        __u32 *datap;
-       dev_t ex_dev = exp->ex_dentry->d_inode->i_sb->s_dev;
-       int root_export = (exp->ex_dentry == exp->ex_dentry->d_sb->s_root);
+       dev_t ex_dev = exp->ex_path.dentry->d_inode->i_sb->s_dev;
+       int root_export = (exp->ex_path.dentry == exp->ex_path.dentry->d_sb->s_root);
 
        dprintk("nfsd: fh_compose(exp %02x:%02x/%ld %s/%s, ino=%ld)\n",
                MAJOR(ex_dev), MINOR(ex_dev),
-               (long) exp->ex_dentry->d_inode->i_ino,
+               (long) exp->ex_path.dentry->d_inode->i_ino,
                parent->d_name.name, dentry->d_name.name,
                (inode ? inode->i_ino : 0));
 
@@ -391,7 +391,7 @@ fh_compose(struct svc_fh *fhp, struct svc_export *exp, struct dentry *dentry,
                        /* FALL THROUGH */
                case FSID_MAJOR_MINOR:
                case FSID_ENCODE_DEV:
-                       if (!(exp->ex_dentry->d_inode->i_sb->s_type->fs_flags
+                       if (!(exp->ex_path.dentry->d_inode->i_sb->s_type->fs_flags
                              & FS_REQUIRES_DEV))
                                goto retry;
                        break;
@@ -454,7 +454,7 @@ fh_compose(struct svc_fh *fhp, struct svc_export *exp, struct dentry *dentry,
                fhp->fh_handle.ofh_dev =  old_encode_dev(ex_dev);
                fhp->fh_handle.ofh_xdev = fhp->fh_handle.ofh_dev;
                fhp->fh_handle.ofh_xino =
-                       ino_t_to_u32(exp->ex_dentry->d_inode->i_ino);
+                       ino_t_to_u32(exp->ex_path.dentry->d_inode->i_ino);
                fhp->fh_handle.ofh_dirino = ino_t_to_u32(parent_ino(dentry));
                if (inode)
                        _fh_update_old(dentry, exp, &fhp->fh_handle);
@@ -465,7 +465,7 @@ fh_compose(struct svc_fh *fhp, struct svc_export *exp, struct dentry *dentry,
                datap = fhp->fh_handle.fh_auth+0;
                fhp->fh_handle.fh_fsid_type = fsid_type;
                mk_fsid(fsid_type, datap, ex_dev,
-                       exp->ex_dentry->d_inode->i_ino,
+                       exp->ex_path.dentry->d_inode->i_ino,
                        exp->ex_fsid, exp->ex_uuid);
 
                len = key_len(fsid_type);
@@ -571,7 +571,7 @@ enum fsid_source fsid_source(struct svc_fh *fhp)
        case FSID_DEV:
        case FSID_ENCODE_DEV:
        case FSID_MAJOR_MINOR:
-               if (fhp->fh_export->ex_dentry->d_inode->i_sb->s_type->fs_flags
+               if (fhp->fh_export->ex_path.dentry->d_inode->i_sb->s_type->fs_flags
                    & FS_REQUIRES_DEV)
                        return FSIDSOURCE_DEV;
                break;
index 977a71f..6cfc96a 100644 (file)
@@ -41,7 +41,7 @@ static __be32
 nfsd_return_attrs(__be32 err, struct nfsd_attrstat *resp)
 {
        if (err) return err;
-       return nfserrno(vfs_getattr(resp->fh.fh_export->ex_mnt,
+       return nfserrno(vfs_getattr(resp->fh.fh_export->ex_path.mnt,
                                    resp->fh.fh_dentry,
                                    &resp->stat));
 }
@@ -49,7 +49,7 @@ static __be32
 nfsd_return_dirop(__be32 err, struct nfsd_diropres *resp)
 {
        if (err) return err;
-       return nfserrno(vfs_getattr(resp->fh.fh_export->ex_mnt,
+       return nfserrno(vfs_getattr(resp->fh.fh_export->ex_path.mnt,
                                    resp->fh.fh_dentry,
                                    &resp->stat));
 }
@@ -164,7 +164,7 @@ nfsd_proc_read(struct svc_rqst *rqstp, struct nfsd_readargs *argp,
                                  &resp->count);
 
        if (nfserr) return nfserr;
-       return nfserrno(vfs_getattr(resp->fh.fh_export->ex_mnt,
+       return nfserrno(vfs_getattr(resp->fh.fh_export->ex_path.mnt,
                                    resp->fh.fh_dentry,
                                    &resp->stat));
 }
index 61ad617..afd08e2 100644 (file)
@@ -207,7 +207,7 @@ encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp,
 __be32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp)
 {
        struct kstat stat;
-       vfs_getattr(fhp->fh_export->ex_mnt, fhp->fh_dentry, &stat);
+       vfs_getattr(fhp->fh_export->ex_path.mnt, fhp->fh_dentry, &stat);
        return encode_fattr(rqstp, p, fhp, &stat);
 }
 
index cc75e4f..46f59d5 100644 (file)
@@ -101,7 +101,7 @@ nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp,
 {
        struct svc_export *exp = *expp, *exp2 = NULL;
        struct dentry *dentry = *dpp;
-       struct vfsmount *mnt = mntget(exp->ex_mnt);
+       struct vfsmount *mnt = mntget(exp->ex_path.mnt);
        struct dentry *mounts = dget(dentry);
        int err = 0;
 
@@ -156,15 +156,15 @@ nfsd_lookup_dentry(struct svc_rqst *rqstp, struct svc_fh *fhp,
        if (isdotent(name, len)) {
                if (len==1)
                        dentry = dget(dparent);
-               else if (dparent != exp->ex_dentry) {
+               else if (dparent != exp->ex_path.dentry)
                        dentry = dget_parent(dparent);
-               } else  if (!EX_NOHIDE(exp))
+               else if (!EX_NOHIDE(exp))
                        dentry = dget(dparent); /* .. == . just like at / */
                else {
                        /* checking mountpoint crossing is very different when stepping up */
                        struct svc_export *exp2 = NULL;
                        struct dentry *dp;
-                       struct vfsmount *mnt = mntget(exp->ex_mnt);
+                       struct vfsmount *mnt = mntget(exp->ex_path.mnt);
                        dentry = dget(dparent);
                        while(dentry == mnt->mnt_root && follow_up(&mnt, &dentry))
                                ;
@@ -721,7 +721,8 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
 
                DQUOT_INIT(inode);
        }
-       *filp = dentry_open(dget(dentry), mntget(fhp->fh_export->ex_mnt), flags);
+       *filp = dentry_open(dget(dentry), mntget(fhp->fh_export->ex_path.mnt),
+                               flags);
        if (IS_ERR(*filp))
                host_err = PTR_ERR(*filp);
 out_nfserr:
@@ -1462,7 +1463,7 @@ nfsd_readlink(struct svc_rqst *rqstp, struct svc_fh *fhp, char *buf, int *lenp)
        if (!inode->i_op || !inode->i_op->readlink)
                goto out;
 
-       touch_atime(fhp->fh_export->ex_mnt, dentry);
+       touch_atime(fhp->fh_export->ex_path.mnt, dentry);
        /* N.B. Why does this call need a get_fs()??
         * Remove the set_fs and watch the fireworks:-) --okir
         */
index 3a16872..491dec1 100644 (file)
@@ -84,9 +84,8 @@ struct svc_export {
        struct cache_head       h;
        struct auth_domain *    ex_client;
        int                     ex_flags;
-       struct vfsmount *       ex_mnt;
-       struct dentry *         ex_dentry;
-       char *                  ex_path;
+       struct path             ex_path;
+       char                    *ex_pathname;
        uid_t                   ex_anon_uid;
        gid_t                   ex_anon_gid;
        int                     ex_fsid;