On 22.08.19 г. 22:11 ч., Josef Bacik wrote:
> This name doesn't really fit with how the space reservation stuff works
> now, rename it to btrfs_space_info_free_bytes_may_use so it's clear what
> the function is doing.
>
> Signed-off-by: Josef Bacik <josef@xxxxxxxxxxxxxx>
Reviewed-by: Nikolay Borisov <nborisov@xxxxxxxx>
> ---
> fs/btrfs/block-rsv.c | 5 +++--
> fs/btrfs/delayed-ref.c | 2 +-
> fs/btrfs/space-info.h | 6 +++---
> 3 files changed, 7 insertions(+), 6 deletions(-)
>
> diff --git a/fs/btrfs/block-rsv.c b/fs/btrfs/block-rsv.c
> index c64b460a4301..60f313888a7d 100644
> --- a/fs/btrfs/block-rsv.c
> +++ b/fs/btrfs/block-rsv.c
> @@ -54,8 +54,9 @@ static u64 block_rsv_release_bytes(struct btrfs_fs_info *fs_info,
> spin_unlock(&dest->lock);
> }
> if (num_bytes)
> - btrfs_space_info_add_old_bytes(fs_info, space_info,
> - num_bytes);
> + btrfs_space_info_free_bytes_may_use(fs_info,
> + space_info,
> + num_bytes);
> }
> if (qgroup_to_release_ret)
> *qgroup_to_release_ret = qgroup_to_release;
> diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c
> index 9a91d1eb0af4..3822edbf54a7 100644
> --- a/fs/btrfs/delayed-ref.c
> +++ b/fs/btrfs/delayed-ref.c
> @@ -158,7 +158,7 @@ void btrfs_migrate_to_delayed_refs_rsv(struct btrfs_fs_info *fs_info,
> trace_btrfs_space_reservation(fs_info, "delayed_refs_rsv",
> 0, num_bytes, 1);
> if (to_free)
> - btrfs_space_info_add_old_bytes(fs_info,
> + btrfs_space_info_free_bytes_may_use(fs_info,
> delayed_refs_rsv->space_info, to_free);
> }
>
> diff --git a/fs/btrfs/space-info.h b/fs/btrfs/space-info.h
> index d61550f06c94..c93fe9808dc0 100644
> --- a/fs/btrfs/space-info.h
> +++ b/fs/btrfs/space-info.h
> @@ -130,9 +130,9 @@ void btrfs_try_granting_tickets(struct btrfs_fs_info *fs_info,
> struct btrfs_space_info *space_info);
>
> static inline void
> -btrfs_space_info_add_old_bytes(struct btrfs_fs_info *fs_info,
> - struct btrfs_space_info *space_info,
> - u64 num_bytes)
> +btrfs_space_info_free_bytes_may_use(struct btrfs_fs_info *fs_info,
> + struct btrfs_space_info *space_info,
> + u64 num_bytes)
> {
> spin_lock(&space_info->lock);
> btrfs_space_info_update_bytes_may_use(fs_info, space_info, -num_bytes);
>
