diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 8dbb00fbb00b..b0875ef48522 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -4333,6 +4333,7 @@ static int btrfs_destroy_marked_extents(struct btrfs_root *root,
 static int btrfs_destroy_pinned_extent(struct btrfs_root *root,
 				       struct extent_io_tree *pinned_extents)
 {
+	struct btrfs_fs_info *fs_info = root->fs_info;
 	struct extent_io_tree *unpin;
 	u64 start;
 	u64 end;
@@ -4342,21 +4343,31 @@ static int btrfs_destroy_pinned_extent(struct btrfs_root *root,
 	unpin = pinned_extents;
 again:
 	while (1) {
+		/*
+		 * The btrfs_finish_extent_commit() may get the same range as
+		 * ours between find_first_extent_bit and clear_extent_dirty.
+		 * Hence, hold the unused_bg_unpin_mutex to avoid double unpin
+		 * the same extent range.
+		 */
+		mutex_lock(&fs_info->unused_bg_unpin_mutex);
 		ret = find_first_extent_bit(unpin, 0, &start, &end,
 					    EXTENT_DIRTY, NULL);
-		if (ret)
+		if (ret) {
+			mutex_unlock(&fs_info->unused_bg_unpin_mutex);
 			break;
+		}
 
 		clear_extent_dirty(unpin, start, end, GFP_NOFS);
 		btrfs_error_unpin_extent_range(root, start, end);
+		mutex_unlock(&fs_info->unused_bg_unpin_mutex);
 		cond_resched();
 	}
 
 	if (loop) {
-		if (unpin == &root->fs_info->freed_extents[0])
-			unpin = &root->fs_info->freed_extents[1];
+		if (unpin == &fs_info->freed_extents[0])
+			unpin = &fs_info->freed_extents[1];
 		else
-			unpin = &root->fs_info->freed_extents[0];
+			unpin = &fs_info->freed_extents[0];
 		loop = false;
 		goto again;
 	}