Btrfs: remove wait queue from space_info structure

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>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c
index 3a2b0d1..22b4968 100644 (file)
--- 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 2d8c811..1a349e3 100644 (file)
--- 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];