| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | /* |
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| 3 | * Copyright (C) 2008 Red Hat. All rights reserved. |
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| 4 | */ |
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| 5 | |
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| 6 | #include "ctree.h" |
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| 7 | #include "orphan.h" |
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| 8 | |
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| 9 | int btrfs_insert_orphan_item(struct btrfs_trans_handle *trans, |
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| 10 | struct btrfs_root *root, u64 offset) |
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| 11 | { |
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| 12 | struct btrfs_path *path; |
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| 13 | struct btrfs_key key; |
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| 14 | int ret = 0; |
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| 15 | |
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| 16 | key.objectid = BTRFS_ORPHAN_OBJECTID; |
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| 17 | key.type = BTRFS_ORPHAN_ITEM_KEY; |
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| 18 | key.offset = offset; |
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| 19 | |
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| 20 | path = btrfs_alloc_path(); |
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| 21 | if (!path) |
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| 22 | return -ENOMEM; |
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| 23 | |
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| 24 | ret = btrfs_insert_empty_item(trans, root, path, key: &key, data_size: 0); |
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| 25 | |
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| 26 | btrfs_free_path(p: path); |
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| 27 | return ret; |
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| 28 | } |
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| 29 | |
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| 30 | int btrfs_del_orphan_item(struct btrfs_trans_handle *trans, |
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| 31 | struct btrfs_root *root, u64 offset) |
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| 32 | { |
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| 33 | struct btrfs_path *path; |
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| 34 | struct btrfs_key key; |
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| 35 | int ret = 0; |
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| 36 | |
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| 37 | key.objectid = BTRFS_ORPHAN_OBJECTID; |
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| 38 | key.type = BTRFS_ORPHAN_ITEM_KEY; |
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| 39 | key.offset = offset; |
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| 40 | |
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| 41 | path = btrfs_alloc_path(); |
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| 42 | if (!path) |
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| 43 | return -ENOMEM; |
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| 44 | |
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| 45 | ret = btrfs_search_slot(trans, root, key: &key, p: path, ins_len: -1, cow: 1); |
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| 46 | if (ret < 0) |
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| 47 | goto out; |
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| 48 | if (ret) { /* JDM: Really? */ |
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| 49 | ret = -ENOENT; |
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| 50 | goto out; |
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| 51 | } |
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| 52 | |
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| 53 | ret = btrfs_del_item(trans, root, path); |
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| 54 | |
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| 55 | out: |
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| 56 | btrfs_free_path(p: path); |
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| 57 | return ret; |
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| 58 | } |
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| 59 | |
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