Add FASTWRITE algorithm for synchronous writes.

[zfs.git] / include / sys / metaslab_impl.h

diff --git a/include/sys/metaslab_impl.h b/include/sys/metaslab_impl.h
index 6c670a1..6583594 100644 (file)
--- a/include/sys/metaslab_impl.h
+++ b/include/sys/metaslab_impl.h
@@ -46,6 +46,7 @@ struct metaslab_class {
        uint64_t                mc_deferred;    /* total deferred frees */
        uint64_t                mc_space;       /* total space (alloc + free) */
        uint64_t                mc_dspace;      /* total deflated space */
+       kmutex_t                mc_fastwrite_lock;
 };
 
 struct metaslab_group {