[GFS2] remounting w/o acl option leaves acls enabled

This patch is for bugzilla bug #245663.  This crosswrites a fix from
gfs1 (bz #210369) so that the mount options are reset properly upon
remount.  This was tested on system trin-10.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

1 files changed, 12 insertions, 13 deletions

diff --git a/fs/gfs2/mount.c b/fs/gfs2/mount.c
index 4864659555d4..6f006a804db3 100644
--- a/fs/gfs2/mount.c
+++ b/fs/gfs2/mount.c
@@ -82,20 +82,19 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, char *data_arg, int remount)
         char *options, *o, *v;
         int error = 0;
 
-        if (!remount) {
-                /*  If someone preloaded options, use those instead  */
-                spin_lock(&gfs2_sys_margs_lock);
-                if (gfs2_sys_margs) {
-                        data = gfs2_sys_margs;
-                        gfs2_sys_margs = NULL;
-                }
-                spin_unlock(&gfs2_sys_margs_lock);
-
-                /*  Set some defaults  */
-                args->ar_num_glockd = GFS2_GLOCKD_DEFAULT;
-                args->ar_quota = GFS2_QUOTA_DEFAULT;
-                args->ar_data = GFS2_DATA_DEFAULT;
+        /*  If someone preloaded options, use those instead  */
+        spin_lock(&gfs2_sys_margs_lock);
+        if (!remount && gfs2_sys_margs) {
+                data = gfs2_sys_margs;
+                gfs2_sys_margs = NULL;
         }
+        spin_unlock(&gfs2_sys_margs_lock);
+
+        /*  Set some defaults  */
+        memset(args, 0, sizeof(struct gfs2_args));
+        args->ar_num_glockd = GFS2_GLOCKD_DEFAULT;
+        args->ar_quota = GFS2_QUOTA_DEFAULT;
+        args->ar_data = GFS2_DATA_DEFAULT;
 
         /* Split the options into tokens with the "," character and
            process them */