1 files changed, 8 insertions, 1 deletions

diff --git a/include/linux/ext3_fs_sb.h b/include/linux/ext3_fs_sb.h
index b65f0288b842..f07f34de2f0e 100644
--- a/include/linux/ext3_fs_sb.h
+++ b/include/linux/ext3_fs_sb.h
@@ -57,10 +57,11 @@ struct ext3_sb_info {
         u32 s_next_generation;
         u32 s_hash_seed[4];
         int s_def_hash_version;
+        int s_hash_unsigned;    /* 3 if hash should be signed, 0 if not */
         struct percpu_counter s_freeblocks_counter;
         struct percpu_counter s_freeinodes_counter;
         struct percpu_counter s_dirs_counter;
-        struct blockgroup_lock s_blockgroup_lock;
+        struct blockgroup_lock *s_blockgroup_lock;
 
         /* root of the per fs reservation window tree */
         spinlock_t s_rsv_window_lock;
@@ -83,4 +84,10 @@ struct ext3_sb_info {
 #endif
 };
 
+static inline spinlock_t *
+sb_bgl_lock(struct ext3_sb_info *sbi, unsigned int block_group)
+{
+        return bgl_lock_ptr(sbi->s_blockgroup_lock, block_group);
+}
+
 #endif  /* _LINUX_EXT3_FS_SB */