162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci 362306a36Sopenharmony_ci#ifndef BTRFS_DISCARD_H 462306a36Sopenharmony_ci#define BTRFS_DISCARD_H 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#include <linux/sizes.h> 762306a36Sopenharmony_ci 862306a36Sopenharmony_cistruct btrfs_fs_info; 962306a36Sopenharmony_cistruct btrfs_discard_ctl; 1062306a36Sopenharmony_cistruct btrfs_block_group; 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci/* Discard size limits */ 1362306a36Sopenharmony_ci#define BTRFS_ASYNC_DISCARD_DEFAULT_MAX_SIZE (SZ_64M) 1462306a36Sopenharmony_ci#define BTRFS_ASYNC_DISCARD_MAX_FILTER (SZ_1M) 1562306a36Sopenharmony_ci#define BTRFS_ASYNC_DISCARD_MIN_FILTER (SZ_32K) 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci/* List operations */ 1862306a36Sopenharmony_civoid btrfs_discard_check_filter(struct btrfs_block_group *block_group, u64 bytes); 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci/* Work operations */ 2162306a36Sopenharmony_civoid btrfs_discard_cancel_work(struct btrfs_discard_ctl *discard_ctl, 2262306a36Sopenharmony_ci struct btrfs_block_group *block_group); 2362306a36Sopenharmony_civoid btrfs_discard_queue_work(struct btrfs_discard_ctl *discard_ctl, 2462306a36Sopenharmony_ci struct btrfs_block_group *block_group); 2562306a36Sopenharmony_civoid btrfs_discard_schedule_work(struct btrfs_discard_ctl *discard_ctl, 2662306a36Sopenharmony_ci bool override); 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ci/* Update operations */ 2962306a36Sopenharmony_civoid btrfs_discard_calc_delay(struct btrfs_discard_ctl *discard_ctl); 3062306a36Sopenharmony_civoid btrfs_discard_update_discardable(struct btrfs_block_group *block_group); 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci/* Setup/cleanup operations */ 3362306a36Sopenharmony_civoid btrfs_discard_punt_unused_bgs_list(struct btrfs_fs_info *fs_info); 3462306a36Sopenharmony_civoid btrfs_discard_resume(struct btrfs_fs_info *fs_info); 3562306a36Sopenharmony_civoid btrfs_discard_stop(struct btrfs_fs_info *fs_info); 3662306a36Sopenharmony_civoid btrfs_discard_init(struct btrfs_fs_info *fs_info); 3762306a36Sopenharmony_civoid btrfs_discard_cleanup(struct btrfs_fs_info *fs_info); 3862306a36Sopenharmony_ci 3962306a36Sopenharmony_ci#endif 40