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