fs: switch ->s_uuid to uuid_t

For some file systems we still memcpy into it, but in various places this
already allows us to use the proper uuid helpers.  More to come..

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Acked-by: Mimi Zohar <zohar@linux.vnet.ibm.com> (Changes to IMA/EVM)
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/mm/cleancache.c b/mm/cleancache.c
index ba5d8f3e6d68..f7b9fdc79d97 100644
--- a/mm/cleancache.c
+++ b/mm/cleancache.c
@@ -130,7 +130,7 @@ void __cleancache_init_shared_fs(struct super_block *sb)
         int pool_id = CLEANCACHE_NO_BACKEND_SHARED;
 
         if (cleancache_ops) {
-                pool_id = cleancache_ops->init_shared_fs(sb->s_uuid, PAGE_SIZE);
+                pool_id = cleancache_ops->init_shared_fs(&sb->s_uuid, PAGE_SIZE);
                 if (pool_id < 0)
                         pool_id = CLEANCACHE_NO_POOL;
         }