1 files changed, 4 insertions, 2 deletions

diff --git a/fs/super.c b/fs/super.c
index 8a06881b1920..c75593953c52 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -31,6 +31,7 @@
 #include <linux/mutex.h>
 #include <linux/backing-dev.h>
 #include <linux/rculist_bl.h>
+#include <linux/cleancache.h>
 #include "internal.h"
 
 
@@ -112,6 +113,7 @@ static struct super_block *alloc_super(struct file_system_type *type)
                 s->s_maxbytes = MAX_NON_LFS;
                 s->s_op = &default_op;
                 s->s_time_gran = 1000000000;
+                s->cleancache_poolid = -1;
         }
 out:
         return s;
@@ -177,6 +179,7 @@ void deactivate_locked_super(struct super_block *s)
 {
         struct file_system_type *fs = s->s_type;
         if (atomic_dec_and_test(&s->s_active)) {
+                cleancache_flush_fs(s);
                 fs->kill_sb(s);
                 /*
                  * We need to call rcu_barrier so all the delayed rcu free
@@ -948,8 +951,7 @@ mount_fs(struct file_system_type *type, int flags, const char *name, void *data)
          * filesystems should never set s_maxbytes larger than MAX_LFS_FILESIZE
          * but s_maxbytes was an unsigned long long for many releases. Throw
          * this warning for a little while to try and catch filesystems that
-         * violate this rule. This warning should be either removed or
-         * converted to a BUG() in 2.6.34.
+         * violate this rule.
          */
         WARN((sb->s_maxbytes < 0), "%s set sb->s_maxbytes to "
                 "negative value (%lld)\n", type->name, sb->s_maxbytes);