gfs2: gfs2_freeze_lock_shared cleanup

All the remaining users of gfs2_freeze_lock_shared() set freeze_gh to
&sdp->sd_freeze_gh and flags to 0, so remove those two parameters.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

fs/gfs2/ops_fstype.c

@@ -1267,7 +1267,7 @@ static int gfs2_fill_super(struct super_block *sb, struct fs_context *fc)
 		}
 	}
 
-	error = gfs2_freeze_lock_shared(sdp, &sdp->sd_freeze_gh, 0);
+	error = gfs2_freeze_lock_shared(sdp);
 	if (error)
 		goto fail_per_node;
 

fs/gfs2/super.c

@@ -381,7 +381,7 @@ static int gfs2_lock_fs_check_clean(struct gfs2_sbd *sdp)
 	gfs2_freeze_unlock(&sdp->sd_freeze_gh);
 
 relock_shared:
-	error2 = gfs2_freeze_lock_shared(sdp, &sdp->sd_freeze_gh, 0);
+	error2 = gfs2_freeze_lock_shared(sdp);
 	gfs2_assert_withdraw(sdp, !error2);
 
 out:
@@ -709,7 +709,7 @@ static int gfs2_do_thaw(struct gfs2_sbd *sdp)
 	struct super_block *sb = sdp->sd_vfs;
 	int error;
 
-	error = gfs2_freeze_lock_shared(sdp, &sdp->sd_freeze_gh, 0);
+	error = gfs2_freeze_lock_shared(sdp);
 	if (error)
 		goto fail;
 	error = thaw_super(sb);

fs/gfs2/util.c

@@ -95,17 +95,14 @@ int check_journal_clean(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
 /**
  * gfs2_freeze_lock_shared - hold the freeze glock
  * @sdp: the superblock
- * @freeze_gh: pointer to the requested holder
- * @caller_flags: any additional flags needed by the caller
  */
-int gfs2_freeze_lock_shared(struct gfs2_sbd *sdp, struct gfs2_holder *freeze_gh,
-			    int caller_flags)
+int gfs2_freeze_lock_shared(struct gfs2_sbd *sdp)
 {
-	int flags = LM_FLAG_NOEXP | GL_EXACT | caller_flags;
+	int flags = LM_FLAG_NOEXP | GL_EXACT;
 	int error;
 
 	error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED, flags,
-				   freeze_gh);
+				   &sdp->sd_freeze_gh);
 	if (error && error != GLR_TRYFAILED)
 		fs_err(sdp, "can't lock the freeze glock: %d\n", error);
 	return error;

fs/gfs2/util.h

@@ -149,9 +149,7 @@ int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function,
 
 extern int check_journal_clean(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
 			       bool verbose);
-extern int gfs2_freeze_lock_shared(struct gfs2_sbd *sdp,
-				   struct gfs2_holder *freeze_gh,
-				   int caller_flags);
+extern int gfs2_freeze_lock_shared(struct gfs2_sbd *sdp);
 extern void gfs2_freeze_unlock(struct gfs2_holder *freeze_gh);
 
 #define gfs2_io_error(sdp) \