Merge tag 'for-6.5/io_uring-2023-06-23' of git://git.kernel.dk/linux

[linux-block.git] / fs / btrfs / block-group.h

diff --git a/fs/btrfs/block-group.h b/fs/btrfs/block-group.h
index cc0e4b37db2da26ae9669909e64bee31091d3f45..f204addc3fe8e4a42a6b174f5216e8baf635821e 100644 (file)
--- a/fs/btrfs/block-group.h
+++ b/fs/btrfs/block-group.h
@@ -162,7 +162,14 @@ struct btrfs_block_group {
         */
        struct list_head cluster_list;
 
-       /* For delayed block group creation or deletion of empty block groups */
+       /*
+        * Used for several lists:
+        *
+        * 1) struct btrfs_fs_info::unused_bgs
+        * 2) struct btrfs_fs_info::reclaim_bgs
+        * 3) struct btrfs_transaction::deleted_bgs
+        * 4) struct btrfs_trans_handle::new_bgs
+        */
        struct list_head bg_list;
 
        /* For read-only block groups */