1 files changed, 6 insertions, 0 deletions

diff --git a/fs/ext4/ext4_sb.h b/fs/ext4/ext4_sb.h
index 445fde603df8..b21f16713db0 100644
--- a/fs/ext4/ext4_sb.h
+++ b/fs/ext4/ext4_sb.h
@@ -146,4 +146,10 @@ struct ext4_sb_info {
         struct flex_groups *s_flex_groups;
 };
 
+static inline spinlock_t *
+sb_bgl_lock(struct ext4_sb_info *sbi, unsigned int block_group)
+{
+        return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group);
+}
+
 #endif  /* _EXT4_SB */