mirror_ubuntu-kernels/fs/bcachefs/subvolume.h

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2024-07-02 00:48:40 +03:00
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_SUBVOLUME_H
#define _BCACHEFS_SUBVOLUME_H
#include "darray.h"
#include "subvolume_types.h"
enum bkey_invalid_flags;
int bch2_check_subvols(struct bch_fs *);
int bch2_subvolume_invalid(struct bch_fs *, struct bkey_s_c,
enum bkey_invalid_flags, struct printbuf *);
void bch2_subvolume_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
#define bch2_bkey_ops_subvolume ((struct bkey_ops) { \
.key_invalid = bch2_subvolume_invalid, \
.val_to_text = bch2_subvolume_to_text, \
.min_val_size = 16, \
})
int bch2_subvolume_get(struct btree_trans *, unsigned,
bool, int, struct bch_subvolume *);
int bch2_subvolume_get_snapshot(struct btree_trans *, u32, u32 *);
int bch2_subvol_is_ro_trans(struct btree_trans *, u32);
int bch2_subvol_is_ro(struct bch_fs *, u32);
int bch2_delete_dead_snapshots(struct bch_fs *);
void bch2_delete_dead_snapshots_async(struct bch_fs *);
int bch2_subvolume_unlink(struct btree_trans *, u32);
int bch2_subvolume_create(struct btree_trans *, u64, u32,
u32 *, u32 *, bool);
int bch2_fs_subvolumes_init(struct bch_fs *);
#endif /* _BCACHEFS_SUBVOLUME_H */