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bcachefs: Improve some btree node read error messages

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On btree node read error, it's helpful to see what we were trying to
read - was it all zeroes?

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
This commit is contained in:
Kent Overstreet 2022-02-23 10:32:43 -05:00 committed by Kent Overstreet
parent a69e7e6a87
commit 78a8f36280
1 changed files with 3 additions and 2 deletions
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5
fs/bcachefs/btree_io.c
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@ -880,11 +880,12 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
btree_err_on(le64_to_cpu(b->data->magic) != bset_magic(c),
BTREE_ERR_MUST_RETRY, c, ca, b, NULL,
"bad magic");
"bad magic: want %llx, got %llx",
bset_magic(c), le64_to_cpu(b->data->magic));
btree_err_on(!b->data->keys.seq,
BTREE_ERR_MUST_RETRY, c, ca, b, NULL,
"bad btree header");
"bad btree header: seq 0");
if (b->key.k.type == KEY_TYPE_btree_ptr_v2) {
struct bch_btree_ptr_v2 *bp =