In-house
Proposed to community as: https://bugzilla.samba.org/show_bug.cgi?id=12758
--- a/source3/smbd/quotas.c	2017-04-26 11:57:07.061357855 +0000
+++ b/source3/smbd/quotas.c	2017-04-26 12:04:40.103690322 +0000
@@ -67,6 +67,7 @@
 
 #if defined(SUNOS5)
 
+#if defined(USE_OBSOLETED_SOLARIS_APIS)
 /****************************************************************************
  Allows querying of remote hosts for quotas on NFS mounted shares.
  Supports normal NFS and AMD mounts.
@@ -229,6 +230,7 @@
 	DEBUG(10,("nfs_quotas: End of nfs_quotas\n" ));
 	return ret;
 }
+#endif /* USE_OBSOLETED_SOLARIS_APIS */
 #endif
 
 /****************************************************************************
@@ -277,7 +279,9 @@
 		/* quotas are only on vxfs, UFS or NFS */
 		if ((sbuf.st_ex_dev == devno) && (
 			strcmp( mnt.mnt_fstype, MNTTYPE_UFS ) == 0 ||
+			strcmp( mnt.mnt_fstype, "zfs" ) == 0    ||
 			strcmp( mnt.mnt_fstype, "nfs" ) == 0    ||
+			strcmp( mnt.mnt_fstype, "samfs" ) == 0  ||
 			strcmp( mnt.mnt_fstype, "vxfs" ) == 0 )) {
 				found = true;
 				name = talloc_asprintf(talloc_tos(),
@@ -320,6 +324,7 @@
 	become_root();
 
 #if defined(SUNOS5)
+#if defined(USE_OBSOLETED_SOLARIS_APIS)
 	if (strcmp(mnt.mnt_fstype, "nfs") == 0) {
 		bool retval;
 		DEBUG(5,("disk_quotas: looking for mountpath (NFS) \"%s\"\n",
@@ -329,7 +334,7 @@
 		unbecome_root();
 		return retval;
 	}
-
+#endif /* USE_OBSOLETED_SOLARIS_APIS */
 	DEBUG(5,("disk_quotas: looking for quotas file \"%s\"\n", name));
 	if((file=open(name, O_RDONLY,0))<0) {
 		unbecome_root();