[PATCH] knfsd: Restore recently broken ACL functionality to NFS server

A recent patch to
   Allow run-time selection of NFS versions to export

meant that NO nfsacl service versions were exported.  This patch restored
that functionality.

Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index 89ed046..1d163b6 100644 (file)
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -64,6 +64,32 @@ struct nfsd_list {
 };
 static struct list_head nfsd_list = LIST_HEAD_INIT(nfsd_list);
 
+#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)
+static struct svc_stat nfsd_acl_svcstats;
+static struct svc_version *    nfsd_acl_version[] = {
+       [2] = &nfsd_acl_version2,
+       [3] = &nfsd_acl_version3,
+};
+
+#define NFSD_ACL_MINVERS            2
+#define NFSD_ACL_NRVERS                (sizeof(nfsd_acl_version)/sizeof(nfsd_acl_version[0]))
+static struct svc_version *nfsd_acl_versions[NFSD_ACL_NRVERS];
+
+static struct svc_program      nfsd_acl_program = {
+       .pg_prog                = NFS_ACL_PROGRAM,
+       .pg_nvers               = NFSD_ACL_NRVERS,
+       .pg_vers                = nfsd_acl_versions,
+       .pg_name                = "nfsd",
+       .pg_class               = "nfsd",
+       .pg_stats               = &nfsd_acl_svcstats,
+       .pg_authenticate        = &svc_set_client,
+};
+
+static struct svc_stat nfsd_acl_svcstats = {
+       .program        = &nfsd_acl_program,
+};
+#endif /* defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL) */
+
 static struct svc_version *    nfsd_version[] = {
        [2] = &nfsd_version2,
 #if defined(CONFIG_NFSD_V3)
@@ -79,6 +105,9 @@ static struct svc_version *  nfsd_version[] = {
 static struct svc_version *nfsd_versions[NFSD_NRVERS];
 
 struct svc_program             nfsd_program = {
+#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)
+       .pg_next                = &nfsd_acl_program,
+#endif
        .pg_prog                = NFS_PROGRAM,          /* program number */
        .pg_nvers               = NFSD_NRVERS,          /* nr of entries in nfsd_version */
        .pg_vers                = nfsd_versions,        /* version table */
@@ -147,6 +176,26 @@ nfsd_svc(unsigned short port, int nrservs)
                                nfsd_program.pg_vers[i] = nfsd_version[i];
                }
 
+
+#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)
+               found_one = 0;
+
+               for (i = NFSD_ACL_MINVERS; i < NFSD_ACL_NRVERS; i++) {
+                       if (NFSCTL_VERISSET(nfsd_versbits, i)) {
+                               nfsd_acl_program.pg_vers[i] =
+                                       nfsd_acl_version[i];
+                               found_one = 1;
+                       } else
+                               nfsd_acl_program.pg_vers[i] = NULL;
+               }
+
+               if (!found_one) {
+                       for (i = NFSD_ACL_MINVERS; i < NFSD_ACL_NRVERS; i++)
+                               nfsd_acl_program.pg_vers[i] =
+                                       nfsd_acl_version[i];
+               }
+#endif
+
                atomic_set(&nfsd_busy, 0);
                error = -ENOMEM;
                nfsd_serv = svc_create(&nfsd_program, NFSD_BUFSIZE);
@@ -411,30 +460,3 @@ nfsd_dispatch(struct svc_rqst *rqstp, u32 *statp)
        nfsd_cache_update(rqstp, proc->pc_cachetype, statp + 1);
        return 1;
 }
-
-#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)
-static struct svc_stat nfsd_acl_svcstats;
-static struct svc_version *    nfsd_acl_version[] = {
-       [2] = &nfsd_acl_version2,
-       [3] = &nfsd_acl_version3,
-};
-
-#define NFSD_ACL_NRVERS                (sizeof(nfsd_acl_version)/sizeof(nfsd_acl_version[0]))
-static struct svc_program      nfsd_acl_program = {
-       .pg_prog                = NFS_ACL_PROGRAM,
-       .pg_nvers               = NFSD_ACL_NRVERS,
-       .pg_vers                = nfsd_acl_version,
-       .pg_name                = "nfsd",
-       .pg_class               = "nfsd",
-       .pg_stats               = &nfsd_acl_svcstats,
-       .pg_authenticate        = &svc_set_client,
-};
-
-static struct svc_stat nfsd_acl_svcstats = {
-       .program        = &nfsd_acl_program,
-};
-
-#define nfsd_acl_program_p     &nfsd_acl_program
-#else
-#define nfsd_acl_program_p     NULL
-#endif /* defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL) */