make freeing super_block rcu-delayed

[deliverable/linux.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index b09e4e1d747a07d81c01840895e9a12a76ac69dd..2ab8a67ee054f0f56d92111df1e5a0090efd8ad3 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1330,6 +1330,7 @@ struct super_block {
         */
        struct list_lru         s_dentry_lru ____cacheline_aligned_in_smp;
        struct list_lru         s_inode_lru ____cacheline_aligned_in_smp;
+       struct rcu_head         rcu;
 };
 
 extern struct timespec current_fs_time(struct super_block *sb);