On 5.08.2018 18:02, zhong jiang wrote:
> The err is not used after initalization, So remove it and make
> the function to be void function.
>
> Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
The ret value of this function is not checked by the sole caller
(btrfs_cleanup_one_transaction), however, this does not give you the
right to use a bulk commit message. If you want your future
contributions to be taken seriously please put actual effort in properly
describing your changes.
> ---
> fs/btrfs/disk-io.c | 12 ++++--------
> 1 file changed, 4 insertions(+), 8 deletions(-)
>
> diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
> index 468365d..34e4926 100644
> --- a/fs/btrfs/disk-io.c
> +++ b/fs/btrfs/disk-io.c
> @@ -53,8 +53,8 @@
> static const struct extent_io_ops btree_extent_io_ops;
> static void end_workqueue_fn(struct btrfs_work *work);
> static void btrfs_destroy_ordered_extents(struct btrfs_root *root);
> -static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
> - struct btrfs_fs_info *fs_info);
> +static void btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
> + struct btrfs_fs_info *fs_info);
> static void btrfs_destroy_delalloc_inodes(struct btrfs_root *root);
> static int btrfs_destroy_marked_extents(struct btrfs_fs_info *fs_info,
> struct extent_io_tree *dirty_pages,
> @@ -4179,13 +4179,12 @@ static void btrfs_destroy_all_ordered_extents(struct btrfs_fs_info *fs_info)
> spin_unlock(&fs_info->ordered_root_lock);
> }
>
> -static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
> - struct btrfs_fs_info *fs_info)
> +static void btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
> + struct btrfs_fs_info *fs_info)
> {
> struct rb_node *node;
> struct btrfs_delayed_ref_root *delayed_refs;
> struct btrfs_delayed_ref_node *ref;
> - int ret = 0;
>
> delayed_refs = &trans->delayed_refs;
>
> @@ -4193,7 +4192,6 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
> if (atomic_read(&delayed_refs->num_entries) == 0) {
> spin_unlock(&delayed_refs->lock);
> btrfs_info(fs_info, "delayed_refs has NO entry");
> - return ret;
> }
>
> while ((node = rb_first(&delayed_refs->href_root)) != NULL) {
> @@ -4247,8 +4245,6 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
> }
>
> spin_unlock(&delayed_refs->lock);
> -
> - return ret;
> }
>
> static void btrfs_destroy_delalloc_inodes(struct btrfs_root *root)
>
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