1 files changed, 22 insertions, 0 deletions

diff --git a/fs/nfs/flexfilelayout/flexfilelayout.h b/fs/nfs/flexfilelayout/flexfilelayout.h
index 275e4b735247..f7493f7cf13c 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.h
+++ b/fs/nfs/flexfilelayout/flexfilelayout.h
@@ -41,6 +41,26 @@ struct nfs4_ff_layout_ds_err {
         struct nfs4_deviceid            deviceid;
 };
 
+struct nfs4_ff_io_stat {
+        __u64                           ops_requested;
+        __u64                           bytes_requested;
+        __u64                           ops_completed;
+        __u64                           bytes_completed;
+        __u64                           bytes_not_delivered;
+        ktime_t                         total_busy_time;
+        ktime_t                         aggregate_completion_time;
+};
+
+struct nfs4_ff_busy_timer {
+        ktime_t start_time;
+        atomic_t n_ops;
+};
+
+struct nfs4_ff_layoutstat {
+        struct nfs4_ff_io_stat io_stat;
+        struct nfs4_ff_busy_timer busy_timer;
+};
+
 struct nfs4_ff_layout_mirror {
         u32                             ds_count;
         u32                             efficiency;
@@ -52,6 +72,8 @@ struct nfs4_ff_layout_mirror {
         u32                             gid;
         struct rpc_cred                 *cred;
         spinlock_t                      lock;
+        struct nfs4_ff_layoutstat       read_stat;
+        struct nfs4_ff_layoutstat       write_stat;
 };
 
 struct nfs4_ff_layout_segment {