1 files changed, 7 insertions, 0 deletions

diff --git a/fs/ext4/ext4_i.h b/fs/ext4/ext4_i.h
index c2903ef72159..ef7409f0e7e4 100644
--- a/fs/ext4/ext4_i.h
+++ b/fs/ext4/ext4_i.h
@@ -163,6 +163,13 @@ struct ext4_inode_info {
         /* mballoc */
         struct list_head i_prealloc_list;
         spinlock_t i_prealloc_lock;
+
+        /* allocation reservation info for delalloc */
+        unsigned long i_reserved_data_blocks;
+        unsigned long i_reserved_meta_blocks;
+        unsigned long i_allocated_meta_blocks;
+        unsigned short i_delalloc_reserved_flag;
+        spinlock_t i_block_reservation_lock;
 };
 
 #endif  /* _EXT4_I */