Commit 939659df authored Nov 07, 2016 by Wang Xiaoguang Committed by David Sterba Nov 30, 2016

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: ce129655 ("btrfs: introduce tickets_id to determine whether
asynchronous metadata reclaim work makes progress")
Signed-off-by: Wang Xiaoguang <wangxg.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>

parent dc1a90c6

fs/btrfs/ctree.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -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;