From 87cb0239c87f608fd48fb50f9f53f129dcfd73f4 Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Thu, 11 Apr 2024 23:38:07 -0400 Subject: bcachefs: btree node scan: handle encrypted nodes Signed-off-by: Kent Overstreet --- fs/bcachefs/btree_node_scan.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'fs') diff --git a/fs/bcachefs/btree_node_scan.c b/fs/bcachefs/btree_node_scan.c index 556f76f5c84e..20f2b37c4474 100644 --- a/fs/bcachefs/btree_node_scan.c +++ b/fs/bcachefs/btree_node_scan.c @@ -133,9 +133,19 @@ static void try_read_btree_node(struct find_btree_nodes *f, struct bch_dev *ca, if (le64_to_cpu(bn->magic) != bset_magic(c)) return; + if (bch2_csum_type_is_encryption(BSET_CSUM_TYPE(&bn->keys))) { + struct nonce nonce = btree_nonce(&bn->keys, 0); + unsigned bytes = (void *) &bn->keys - (void *) &bn->flags; + + bch2_encrypt(c, BSET_CSUM_TYPE(&bn->keys), nonce, &bn->flags, bytes); + } + if (btree_id_is_alloc(BTREE_NODE_ID(bn))) return; + if (BTREE_NODE_LEVEL(bn) >= BTREE_MAX_DEPTH) + return; + rcu_read_lock(); struct found_btree_node n = { .btree_id = BTREE_NODE_ID(bn), -- cgit v1.2.3