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40 lines
1.4 KiB
40 lines
1.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef BTRFS_DISCARD_H |
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#define BTRFS_DISCARD_H |
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#include <linux/sizes.h> |
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struct btrfs_fs_info; |
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struct btrfs_discard_ctl; |
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struct btrfs_block_group; |
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/* Discard size limits */ |
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#define BTRFS_ASYNC_DISCARD_DEFAULT_MAX_SIZE (SZ_64M) |
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#define BTRFS_ASYNC_DISCARD_MAX_FILTER (SZ_1M) |
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#define BTRFS_ASYNC_DISCARD_MIN_FILTER (SZ_32K) |
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/* List operations */ |
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void btrfs_discard_check_filter(struct btrfs_block_group *block_group, u64 bytes); |
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/* Work operations */ |
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void btrfs_discard_cancel_work(struct btrfs_discard_ctl *discard_ctl, |
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struct btrfs_block_group *block_group); |
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void btrfs_discard_queue_work(struct btrfs_discard_ctl *discard_ctl, |
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struct btrfs_block_group *block_group); |
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void btrfs_discard_schedule_work(struct btrfs_discard_ctl *discard_ctl, |
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bool override); |
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bool btrfs_run_discard_work(struct btrfs_discard_ctl *discard_ctl); |
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/* Update operations */ |
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void btrfs_discard_calc_delay(struct btrfs_discard_ctl *discard_ctl); |
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void btrfs_discard_update_discardable(struct btrfs_block_group *block_group); |
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/* Setup/cleanup operations */ |
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void btrfs_discard_punt_unused_bgs_list(struct btrfs_fs_info *fs_info); |
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void btrfs_discard_resume(struct btrfs_fs_info *fs_info); |
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void btrfs_discard_stop(struct btrfs_fs_info *fs_info); |
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void btrfs_discard_init(struct btrfs_fs_info *fs_info); |
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void btrfs_discard_cleanup(struct btrfs_fs_info *fs_info); |
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#endif
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