diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 92e6f224bff9..92419cb8508a 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1889,7 +1889,6 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
 
 	atomic_inc(&root->log_batch);
 
-	smp_mb();
 	if (skip_inode_logging(&ctx)) {
 		/*
 		 * We've had everything committed since the last time we were