diff options
Diffstat (limited to 'fs/bcachefs/subvolume.h')
-rw-r--r-- | fs/bcachefs/subvolume.h | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/fs/bcachefs/subvolume.h b/fs/bcachefs/subvolume.h deleted file mode 100644 index 075f55e25c70..000000000000 --- a/fs/bcachefs/subvolume.h +++ /dev/null @@ -1,88 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _BCACHEFS_SUBVOLUME_H -#define _BCACHEFS_SUBVOLUME_H - -#include "darray.h" -#include "subvolume_types.h" - -int bch2_check_subvols(struct bch_fs *); -int bch2_check_subvol_children(struct bch_fs *); - -int bch2_subvolume_validate(struct bch_fs *, struct bkey_s_c, - struct bkey_validate_context); -void bch2_subvolume_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c); -int bch2_subvolume_trigger(struct btree_trans *, enum btree_id, unsigned, - struct bkey_s_c, struct bkey_s, - enum btree_iter_update_trigger_flags); - -#define bch2_bkey_ops_subvolume ((struct bkey_ops) { \ - .key_validate = bch2_subvolume_validate, \ - .val_to_text = bch2_subvolume_to_text, \ - .trigger = bch2_subvolume_trigger, \ - .min_val_size = 16, \ -}) - -int bch2_subvol_has_children(struct btree_trans *, u32); -int bch2_subvolume_get(struct btree_trans *, unsigned, - bool, struct bch_subvolume *); -int __bch2_subvolume_get_snapshot(struct btree_trans *, u32, - u32 *, bool); -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); - -static inline struct bkey_s_c -bch2_btree_iter_peek_in_subvolume_max_type(struct btree_trans *trans, struct btree_iter *iter, - struct bpos end, u32 subvolid, unsigned flags) -{ - u32 snapshot; - int ret = bch2_subvolume_get_snapshot(trans, subvolid, &snapshot); - if (ret) - return bkey_s_c_err(ret); - - bch2_btree_iter_set_snapshot(trans, iter, snapshot); - return bch2_btree_iter_peek_max_type(trans, iter, end, flags); -} - -#define for_each_btree_key_in_subvolume_max_continue(_trans, _iter, \ - _end, _subvolid, _flags, _k, _do) \ -({ \ - struct bkey_s_c _k; \ - int _ret3 = 0; \ - \ - do { \ - _ret3 = lockrestart_do(_trans, ({ \ - (_k) = bch2_btree_iter_peek_in_subvolume_max_type(trans, &(_iter),\ - _end, _subvolid, (_flags)); \ - if (!(_k).k) \ - break; \ - \ - bkey_err(_k) ?: (_do); \ - })); \ - } while (!_ret3 && bch2_btree_iter_advance(_trans, &(_iter))); \ - \ - bch2_trans_iter_exit((_trans), &(_iter)); \ - _ret3; \ -}) - -#define for_each_btree_key_in_subvolume_max(_trans, _iter, _btree_id, \ - _start, _end, _subvolid, _flags, _k, _do) \ -({ \ - struct btree_iter _iter; \ - bch2_trans_iter_init((_trans), &(_iter), (_btree_id), \ - (_start), (_flags)); \ - \ - for_each_btree_key_in_subvolume_max_continue(_trans, _iter, \ - _end, _subvolid, _flags, _k, _do); \ -}) - -int bch2_subvolume_unlink(struct btree_trans *, u32); -int bch2_subvolume_create(struct btree_trans *, u64, u32, u32, u32 *, u32 *, bool); - -int bch2_initialize_subvolumes(struct bch_fs *); -int bch2_fs_upgrade_for_subvolumes(struct bch_fs *); - -void bch2_fs_subvolumes_init_early(struct bch_fs *); - -#endif /* _BCACHEFS_SUBVOLUME_H */ |