projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b0643e59 DZ |
1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | ||
| 3 | #ifndef BTRFS_DISCARD_H | |
| 4 | #define BTRFS_DISCARD_H | |
| 5 | ||
| 4aa9ad52 DZ |
6 | #include <linux/sizes.h> |
| 7 | ||
| b0643e59 DZ |
8 | struct btrfs_fs_info; |
| 9 | struct btrfs_discard_ctl; | |
| 10 | struct btrfs_block_group; | |
| 11 | ||
| 4aa9ad52 DZ |
12 | /* Discard size limits */ |
| 13 | #define BTRFS_ASYNC_DISCARD_MAX_SIZE (SZ_64M) | |
| 14 | ||
| 6e80d4f8 | 15 | /* Work operations */ |
| b0643e59 DZ |
16 | void btrfs_discard_cancel_work(struct btrfs_discard_ctl *discard_ctl, |
| 17 | struct btrfs_block_group *block_group); | |
| 18 | void btrfs_discard_queue_work(struct btrfs_discard_ctl *discard_ctl, | |
| 19 | struct btrfs_block_group *block_group); | |
| 20 | void btrfs_discard_schedule_work(struct btrfs_discard_ctl *discard_ctl, | |
| 21 | bool override); | |
| 22 | bool btrfs_run_discard_work(struct btrfs_discard_ctl *discard_ctl); | |
| 23 | ||
| dfb79ddb | 24 | /* Update operations */ |
| a2309300 | 25 | void btrfs_discard_calc_delay(struct btrfs_discard_ctl *discard_ctl); |
| dfb79ddb DZ |
26 | void btrfs_discard_update_discardable(struct btrfs_block_group *block_group, |
| 27 | struct btrfs_free_space_ctl *ctl); | |
| 28 | ||
| 6e80d4f8 DZ |
29 | /* Setup/cleanup operations */ |
| 30 | void btrfs_discard_punt_unused_bgs_list(struct btrfs_fs_info *fs_info); | |
| b0643e59 DZ |
31 | void btrfs_discard_resume(struct btrfs_fs_info *fs_info); |
| 32 | void btrfs_discard_stop(struct btrfs_fs_info *fs_info); | |
| 33 | void btrfs_discard_init(struct btrfs_fs_info *fs_info); | |
| 34 | void btrfs_discard_cleanup(struct btrfs_fs_info *fs_info); | |
| 35 | ||
| 36 | #endif |