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fs: push rcu_barrier() from deactivate_locked_super() to filesystems
[firefly-linux-kernel-4.4.55.git]
/
fs
/
jffs2
/
super.c
diff --git
a/fs/jffs2/super.c
b/fs/jffs2/super.c
index 61ea41389f90d91d8b3ab6a6a39cd580720f1950..ff487954cd96f1447b254b28a41fcdbd82b61b55 100644
(file)
--- a/
fs/jffs2/super.c
+++ b/
fs/jffs2/super.c
@@
-418,6
+418,12
@@
static void __exit exit_jffs2_fs(void)
unregister_filesystem(&jffs2_fs_type);
jffs2_destroy_slab_caches();
jffs2_compressors_exit();
+
+ /*
+ * Make sure all delayed rcu free inodes are flushed before we
+ * destroy cache.
+ */
+ rcu_barrier();
kmem_cache_destroy(jffs2_inode_cachep);
}