ext4: check for a good block group before loading buddy pages

[linux-2.6-block.git] / fs / ext4 / ext4.h

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index bf938cf7c5f0f273330dc02223e5ddc88dc28b86..d266003cac3e4a4d6cf709d08d228a765810d6d2 100644 (file)
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1678,6 +1678,7 @@ struct ext4_group_info {
        ext4_grpblk_t   bb_first_free;  /* first free block */
        ext4_grpblk_t   bb_free;        /* total free blocks */
        ext4_grpblk_t   bb_fragments;   /* nr of freespace fragments */
+       ext4_grpblk_t   bb_largest_free_order;/* order of largest frag in BG */
        struct          list_head bb_prealloc_list;
 #ifdef DOUBLE_CHECK
        void            *bb_bitmap;