| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef _BCACHEFS_SUBVOLUME_H |
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| 3 | #define _BCACHEFS_SUBVOLUME_H |
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| 4 | |
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| 5 | #include "darray.h" |
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| 6 | #include "subvolume_types.h" |
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| 7 | |
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| 8 | enum bkey_invalid_flags; |
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| 9 | |
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| 10 | int bch2_check_subvols(struct bch_fs *); |
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| 11 | int bch2_check_subvol_children(struct bch_fs *); |
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| 12 | |
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| 13 | int bch2_subvolume_invalid(struct bch_fs *, struct bkey_s_c, |
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| 14 | enum bkey_invalid_flags, struct printbuf *); |
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| 15 | void bch2_subvolume_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c); |
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| 16 | int bch2_subvolume_trigger(struct btree_trans *, enum btree_id, unsigned, |
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| 17 | struct bkey_s_c, struct bkey_s, unsigned); |
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| 18 | |
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| 19 | #define bch2_bkey_ops_subvolume ((struct bkey_ops) { \ |
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| 20 | .key_invalid = bch2_subvolume_invalid, \ |
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| 21 | .val_to_text = bch2_subvolume_to_text, \ |
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| 22 | .trigger = bch2_subvolume_trigger, \ |
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| 23 | .min_val_size = 16, \ |
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| 24 | }) |
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| 25 | |
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| 26 | int bch2_subvol_has_children(struct btree_trans *, u32); |
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| 27 | int bch2_subvolume_get(struct btree_trans *, unsigned, |
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| 28 | bool, int, struct bch_subvolume *); |
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| 29 | int bch2_subvolume_get_snapshot(struct btree_trans *, u32, u32 *); |
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| 30 | |
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| 31 | int bch2_subvol_is_ro_trans(struct btree_trans *, u32); |
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| 32 | int bch2_subvol_is_ro(struct bch_fs *, u32); |
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| 33 | |
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| 34 | int bch2_delete_dead_snapshots(struct bch_fs *); |
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| 35 | void bch2_delete_dead_snapshots_async(struct bch_fs *); |
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| 36 | |
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| 37 | int bch2_subvolume_unlink(struct btree_trans *, u32); |
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| 38 | int bch2_subvolume_create(struct btree_trans *, u64, u32, u32, u32 *, u32 *, bool); |
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| 39 | |
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| 40 | int bch2_initialize_subvolumes(struct bch_fs *); |
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| 41 | int bch2_fs_upgrade_for_subvolumes(struct bch_fs *); |
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| 42 | |
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| 43 | int bch2_fs_subvolumes_init(struct bch_fs *); |
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| 44 | |
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| 45 | #endif /* _BCACHEFS_SUBVOLUME_H */ |
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| 46 | |
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