8 files changed, 65 insertions, 67 deletions

diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 717413f07e9a..7d7896814fa4 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -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);
diff --git a/fs/nfsd/nfs3proc.c b/fs/nfsd/nfs3proc.c
index eac82830bfd7..c721a1e6e9dd 100644
--- a/fs/nfsd/nfs3proc.c
+++ b/fs/nfsd/nfs3proc.c
@@ -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);
 
diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index d7647f70e02b..17d0dd997204 100644
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -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;
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index b0592e7c378d..0e6a179eccaf 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -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;
                 }
diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c
index 8fbd2dc08a92..0130b345234d 100644
--- a/fs/nfsd/nfsfh.c
+++ b/fs/nfsd/nfsfh.c
@@ -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;
diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c
index 977a71f64e19..6cfc96a12483 100644
--- a/fs/nfsd/nfsproc.c
+++ b/fs/nfsd/nfsproc.c
@@ -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));
 }
diff --git a/fs/nfsd/nfsxdr.c b/fs/nfsd/nfsxdr.c
index 61ad61743d94..afd08e2c90a5 100644
--- a/fs/nfsd/nfsxdr.c
+++ b/fs/nfsd/nfsxdr.c
@@ -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);
 }
 
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index cc75e4fcd02b..46f59d5365a0 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -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
          */