+static void
+validate_export(nfs_export *exp)
+{
+ /* Check that the given export point is potentially exportable.
+ * We just give warnings here, don't cause anything to fail.
+ * If a path doesn't exist, or is not a dir or file, give an warning
+ * otherwise trial-export to '-test-client-' and check for failure.
+ */
+ struct stat stb;
+ char *path = exp->m_export.e_path;
+ struct statfs64 stf;
+ int fs_has_fsid = 0;
+
+ if (stat(path, &stb) < 0) {
+ fprintf(stderr, "exportfs: Warning: %s does not exist\n",
+ path);
+ return;
+ }
+ if (!S_ISDIR(stb.st_mode) && !S_ISREG(stb.st_mode)) {
+ fprintf(stderr, "exportfs: Warning: %s is neither "
+ "a directory nor a file.\n"
+ " remote access will fail\n", path);
+ return;
+ }
+ if (!can_test())
+ return;
+
+ if (!statfs64(path, &stf) &&
+ (stf.f_fsid.__val[0] || stf.f_fsid.__val[1]))
+ fs_has_fsid = 1;
+
+ if ((exp->m_export.e_flags & NFSEXP_FSID) || exp->m_export.e_uuid ||
+ fs_has_fsid) {
+ if ( !test_export(path, 1)) {
+ fprintf(stderr, "exportfs: Warning: %s does not "
+ "support NFS export.\n",
+ path);
+ return;
+ }
+ } else if ( ! test_export(path, 0)) {
+ if (test_export(path, 1))
+ fprintf(stderr, "exportfs: Warning: %s requires fsid= "
+ "for NFS export\n", path);
+ else
+ fprintf(stderr, "exportfs: Warning: %s does not "
+ "support NFS export.\n",
+ path);
+ return;
+
+ }
+}
+
+