diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index b5ed541..2a60148 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -477,7 +477,7 @@ static bool pin_sb_for_writeback(struct super_block *sb)
 	spin_unlock(&sb_lock);
 
 	if (down_read_trylock(&sb->s_umount)) {
-		if (sb->s_root)
+		if (sb->s_frozen == 0 && sb->s_root)
 			return true;
 		up_read(&sb->s_umount);
 	}
diff --git a/fs/super.c b/fs/super.c
index 8a06881..bac28c4 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -432,8 +432,13 @@ void iterate_supers(void (*f)(struct super_block *, void *), void *arg)
 			continue;
 		sb->s_count++;
 		spin_unlock(&sb_lock);
-
+retry:
 		down_read(&sb->s_umount);
+		if (sb->s_frozen > 0) {
+			up_read(&sb->s_umount);
+			cond_resched();
+			goto retry;
+		}
 		if (sb->s_root)
 			f(sb, arg);
 		up_read(&sb->s_umount);
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 31f6988..eb19642 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1058,7 +1058,9 @@ EXPORT_SYMBOL(generic_writepages);
 int do_writepages(struct address_space *mapping, struct writeback_control *wbc)
 {
 	int ret;
+	struct super_block *sb = mapping->host->i_sb;
 
+	vfs_check_frozen(sb, SB_FREEZE_TRANS);
 	if (wbc->nr_to_write <= 0)
 		return 0;
 	if (mapping->a_ops->writepages)