[PATCH] Btrfs: remove wait queue from space_info structure

[fdmanana@kernel.org]

From: Filipe Manana <fdmanana@suse.com>

It is not used anymore since commit 957780eb2788d8 ("Btrfs: introduce
ticketed enospc infrastructure"), so just remove it.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
---
 fs/btrfs/space-info.c | 1 -
 fs/btrfs/space-info.h | 1 -
 2 files changed, 2 deletions(-)

diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c
index 98dc092a905e..260a883994b9 100644
--- a/fs/btrfs/space-info.c
+++ b/fs/btrfs/space-info.c
@@ -58,7 +58,6 @@ static int create_space_info(struct btrfs_fs_info *info, u64 flags)
 	spin_lock_init(&space_info->lock);
 	space_info->flags = flags & BTRFS_BLOCK_GROUP_TYPE_MASK;
 	space_info->force_alloc = CHUNK_ALLOC_NO_FORCE;
-	init_waitqueue_head(&space_info->wait);
 	INIT_LIST_HEAD(&space_info->ro_bgs);
 	INIT_LIST_HEAD(&space_info->tickets);
 	INIT_LIST_HEAD(&space_info->priority_tickets);
diff --git a/fs/btrfs/space-info.h b/fs/btrfs/space-info.h
index 8867e84aa33d..c234ba91d9f1 100644
--- a/fs/btrfs/space-info.h
+++ b/fs/btrfs/space-info.h
@@ -63,7 +63,6 @@ struct btrfs_space_info {
 	struct rw_semaphore groups_sem;
 	/* for block groups in our same type */
 	struct list_head block_groups[BTRFS_NR_RAID_TYPES];
-	wait_queue_head_t wait;
 
 	struct kobject kobj;
 	struct kobject *block_group_kobjs[BTRFS_NR_RAID_TYPES];
-- 
2.11.0