1 files changed, 4 insertions, 0 deletions

diff --git a/fs/ext4/ext4_sb.h b/fs/ext4/ext4_sb.h
index 4e4d9cc3f40d..50ab1169c378 100644
--- a/fs/ext4/ext4_sb.h
+++ b/fs/ext4/ext4_sb.h
@@ -142,6 +142,10 @@ struct ext4_sb_info {
         /* locality groups */
         struct ext4_locality_group *s_locality_groups;
 
+        /* for write statistics */
+        unsigned long s_sectors_written_start;
+        u64 s_kbytes_written;
+
         unsigned int s_log_groups_per_flex;
         struct flex_groups *s_flex_groups;
 };