From 939659dfd3ed4ff36dde532782207cfb0e5fbcf6 Mon Sep 17 00:00:00 2001 From: Wang Xiaoguang Date: Mon, 7 Nov 2016 15:59:16 +0800 Subject: [PATCH] btrfs: add necessary comments about tickets_id Tickets_id's name may result in some misunderstandings, it just indicates the next ticket will be handled and is not stored per ticket. Fixes: ce12965 ("btrfs: introduce tickets_id to determine whether asynchronous metadata reclaim work makes progress") Signed-off-by: Wang Xiaoguang Signed-off-by: David Sterba --- fs/btrfs/ctree.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index e4e01a99201a..b26b8b363f7f 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -426,6 +426,10 @@ struct btrfs_space_info { struct list_head ro_bgs; struct list_head priority_tickets; struct list_head tickets; + /* + * tickets_id just indicates the next ticket will be handled, so note + * it's not stored per ticket. + */ u64 tickets_id; struct rw_semaphore groups_sem; -- GitLab