cifs: reinstate the forcegid option

jtlayton · gregkh · commit b03431200011 · 2012-10-13T05:50:35.000+09:00
commit 72bd481 upstream. Apparently this was lost when we converted to the standard option parser in 8830d7e Reported-by: Gregory Lee Bartholomew <gregory.lee.bartholomew@gmail.com> Cc: Sachin Prabhu <sprabhu@redhat.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
@@ -67,6 +67,7 @@ enum {
 	/* Mount options that take no arguments */
 	Opt_user_xattr, Opt_nouser_xattr,
 	Opt_forceuid, Opt_noforceuid,
+	Opt_forcegid, Opt_noforcegid,
 	Opt_noblocksend, Opt_noautotune,
 	Opt_hard, Opt_soft, Opt_perm, Opt_noperm,
 	Opt_mapchars, Opt_nomapchars, Opt_sfu,
@@ -118,6 +119,8 @@ static const match_table_t cifs_mount_option_tokens = {
 	{ Opt_nouser_xattr, "nouser_xattr" },
 	{ Opt_forceuid, "forceuid" },
 	{ Opt_noforceuid, "noforceuid" },
+	{ Opt_forcegid, "forcegid" },
+	{ Opt_noforcegid, "noforcegid" },
 	{ Opt_noblocksend, "noblocksend" },
 	{ Opt_noautotune, "noautotune" },
 	{ Opt_hard, "hard" },
@@ -1190,6 +1193,12 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
 		case Opt_noforceuid:
 			override_uid = 0;
 			break;
+		case Opt_forcegid:
+			override_gid = 1;
+			break;
+		case Opt_noforcegid:
+			override_gid = 0;
+			break;
 		case Opt_noblocksend:
 			vol->noblocksnd = 1;
 			break;
