btrfs: remove unused is_head field from struct btrfs_delayed_ref_node

The 'is_head' field of struct btrfs_delayed_ref_node is no longer after
commit d278850eff30 ("btrfs: remove delayed_ref_node from ref_head"),
so 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/delayed-ref.c b/fs/btrfs/delayed-ref.c
index 0b32432..be1d18e 100644 (file)
--- a/fs/btrfs/delayed-ref.c
+++ b/fs/btrfs/delayed-ref.c
@@ -853,7 +853,6 @@ static void init_delayed_ref_common(struct btrfs_fs_info *fs_info,
        ref->num_bytes = num_bytes;
        ref->ref_mod = 1;
        ref->action = action;
-       ref->is_head = 0;
        ref->in_tree = 1;
        ref->seq = seq;
        ref->type = ref_type;

diff --git a/fs/btrfs/delayed-ref.h b/fs/btrfs/delayed-ref.h
index 9b28e80..77b3e73 100644 (file)
--- a/fs/btrfs/delayed-ref.h
+++ b/fs/btrfs/delayed-ref.h
@@ -48,8 +48,6 @@ struct btrfs_delayed_ref_node {
 
        unsigned int action:8;
        unsigned int type:8;
-       /* is this node still in the rbtree? */
-       unsigned int is_head:1;
        unsigned int in_tree:1;
 };