Make sure all delayed rcu free inodes are flushed before we destroy c…

…ache. This fix was added to all FS drivers in 3.6.0 -rc7 and was missing here. torvalds/linux@8c0a853
dorimanx · Dec 13, 2016 · a877c79 · a877c79
1 parent 0c18ca3
commit a877c79
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/exfat_super.c b/exfat_super.c
@@ -2563,6 +2563,13 @@ static int __init exfat_init_inodecache(void)
 
 static void __exit exfat_destroy_inodecache(void)
 {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)
+	/*
+	 * Make sure all delayed rcu free inodes are flushed before we
+	 * destroy cache.
+	 */
+	rcu_barrier();
+#endif
 	kmem_cache_destroy(exfat_inode_cachep);
 }