drm/rockchip: vop: enable iommu when we actually need it

[firefly-linux-kernel-4.4.55.git] / fs / super.c

diff --git a/fs/super.c b/fs/super.c
index 954aeb80e202be0a40fc42eeca465c033ab1fc9a..8d99a7b948ff087380ca2b2d5988885c22360553 100644 (file)
--- a/fs/super.c
+++ b/fs/super.c
@@ -415,6 +415,7 @@ void generic_shutdown_super(struct super_block *sb)
                sb->s_flags &= ~MS_ACTIVE;
 
                fsnotify_unmount_inodes(sb);
+               cgroup_writeback_umount();
 
                evict_inodes(sb);
 
@@ -789,7 +790,7 @@ static void do_emergency_remount(struct work_struct *work)
        struct super_block *sb, *p = NULL;
 
        spin_lock(&sb_lock);
-       list_for_each_entry(sb, &super_blocks, s_list) {
+       list_for_each_entry_reverse(sb, &super_blocks, s_list) {
                if (hlist_unhashed(&sb->s_instances))
                        continue;
                sb->s_count++;