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bcachefs: Include device in btree IO error messages

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Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2021-02-02 17:08:54 -05:00 committed by Kent Overstreet
parent 180fb49dea
commit 91f6ad6f94
3 changed files with 44 additions and 37 deletions
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76
fs/bcachefs/btree_io.c
View File

@ -608,11 +608,16 @@ static void btree_pos_to_text(struct printbuf *out, struct bch_fs *c,
}
static void btree_err_msg(struct printbuf *out, struct bch_fs *c,
struct bch_dev *ca,
struct btree *b, struct bset *i,
unsigned offset, int write)
{
pr_buf(out, "error validating btree node %sat btree ",
write ? "before write " : "");
pr_buf(out, "error validating btree node ");
if (write)
pr_buf(out, "before write ");
if (ca)
pr_buf(out, "on %s ", ca->name);
pr_buf(out, "at btree ");
btree_pos_to_text(out, c, b);
pr_buf(out, "\n node offset %u", b->written);
@ -631,7 +636,7 @@ enum btree_validate_ret {
BTREE_RETRY_READ = 64,
};
#define btree_err(type, c, b, i, msg, ...) \
#define btree_err(type, c, ca, b, i, msg, ...) \
({ \
__label__ out; \
char _buf[300]; \
@ -642,7 +647,7 @@ enum btree_validate_ret {
if (buf2) \
out = _PBUF(buf2, 4986); \
\
btree_err_msg(&out, c, b, i, b->written, write); \
btree_err_msg(&out, c, ca, b, i, b->written, write); \
pr_buf(&out, ": " msg, ##__VA_ARGS__); \
\
if (type == BTREE_ERR_FIXABLE && \
@ -691,9 +696,9 @@ out: \
#define btree_err_on(cond, ...) ((cond) ? btree_err(__VA_ARGS__) : false)
static int validate_bset(struct bch_fs *c, struct btree *b,
struct bset *i, unsigned sectors,
int write, bool have_retry)
static int validate_bset(struct bch_fs *c, struct bch_dev *ca,
struct btree *b, struct bset *i,
unsigned sectors, int write, bool have_retry)
{
unsigned version = le16_to_cpu(i->version);
const char *err;
@ -702,18 +707,18 @@ static int validate_bset(struct bch_fs *c, struct btree *b,
btree_err_on((version != BCH_BSET_VERSION_OLD &&
version < bcachefs_metadata_version_min) ||
version >= bcachefs_metadata_version_max,
BTREE_ERR_FATAL, c, b, i,
BTREE_ERR_FATAL, c, ca, b, i,
"unsupported bset version");
if (btree_err_on(b->written + sectors > c->opts.btree_node_size,
BTREE_ERR_FIXABLE, c, b, i,
BTREE_ERR_FIXABLE, c, ca, b, i,
"bset past end of btree node")) {
i->u64s = 0;
return 0;
}
btree_err_on(b->written && !i->u64s,
BTREE_ERR_FIXABLE, c, b, i,
BTREE_ERR_FIXABLE, c, ca, b, i,
"empty bset");
if (!b->written) {
@ -727,16 +732,16 @@ static int validate_bset(struct bch_fs *c, struct btree *b,
/* XXX endianness */
btree_err_on(bp->seq != bn->keys.seq,
BTREE_ERR_MUST_RETRY, c, b, NULL,
BTREE_ERR_MUST_RETRY, c, ca, b, NULL,
"incorrect sequence number (wrong btree node)");
}
btree_err_on(BTREE_NODE_ID(bn) != b->c.btree_id,
BTREE_ERR_MUST_RETRY, c, b, i,
BTREE_ERR_MUST_RETRY, c, ca, b, i,
"incorrect btree id");
btree_err_on(BTREE_NODE_LEVEL(bn) != b->c.level,
BTREE_ERR_MUST_RETRY, c, b, i,
BTREE_ERR_MUST_RETRY, c, ca, b, i,
"incorrect level");
if (BSET_BIG_ENDIAN(i) != CPU_BIG_ENDIAN) {
@ -759,7 +764,7 @@ static int validate_bset(struct bch_fs *c, struct btree *b,
}
btree_err_on(bkey_cmp(b->data->min_key, bp->min_key),
BTREE_ERR_MUST_RETRY, c, b, NULL,
BTREE_ERR_MUST_RETRY, c, ca, b, NULL,
"incorrect min_key: got %llu:%llu should be %llu:%llu",
b->data->min_key.inode,
b->data->min_key.offset,
@ -768,7 +773,7 @@ static int validate_bset(struct bch_fs *c, struct btree *b,
}
btree_err_on(bkey_cmp(bn->max_key, b->key.k.p),
BTREE_ERR_MUST_RETRY, c, b, i,
BTREE_ERR_MUST_RETRY, c, ca, b, i,
"incorrect max key %llu:%llu",
bn->max_key.inode,
bn->max_key.offset);
@ -793,7 +798,7 @@ static int validate_bset(struct bch_fs *c, struct btree *b,
#endif
err = bch2_bkey_format_validate(&bn->format);
btree_err_on(err,
BTREE_ERR_FATAL, c, b, i,
BTREE_ERR_FATAL, c, ca, b, i,
"invalid bkey format: %s", err);
compat_bformat(b->c.level, b->c.btree_id, version,
@ -825,14 +830,14 @@ static int validate_bset_keys(struct bch_fs *c, struct btree *b,
const char *invalid;
if (btree_err_on(bkey_next(k) > vstruct_last(i),
BTREE_ERR_FIXABLE, c, b, i,
BTREE_ERR_FIXABLE, c, NULL, b, i,
"key extends past end of bset")) {
i->u64s = cpu_to_le16((u64 *) k - i->_data);
break;
}
if (btree_err_on(k->format > KEY_FORMAT_CURRENT,
BTREE_ERR_FIXABLE, c, b, i,
BTREE_ERR_FIXABLE, c, NULL, b, i,
"invalid bkey format %u", k->format)) {
i->u64s = cpu_to_le16(le16_to_cpu(i->u64s) - k->u64s);
memmove_u64s_down(k, bkey_next(k),
@ -855,7 +860,7 @@ static int validate_bset_keys(struct bch_fs *c, struct btree *b,
char buf[160];
bch2_bkey_val_to_text(&PBUF(buf), c, u.s_c);
btree_err(BTREE_ERR_FIXABLE, c, b, i,
btree_err(BTREE_ERR_FIXABLE, c, NULL, b, i,
"invalid bkey: %s\n%s", invalid, buf);
i->u64s = cpu_to_le16(le16_to_cpu(i->u64s) - k->u64s);
@ -889,7 +894,7 @@ static int validate_bset_keys(struct bch_fs *c, struct btree *b,
bch2_bkey_to_text(&PBUF(buf2), u.k);
bch2_dump_bset(c, b, i, 0);
btree_err(BTREE_ERR_FATAL, c, b, i,
btree_err(BTREE_ERR_FATAL, c, NULL, b, i,
"keys out of order: %s > %s",
buf1, buf2);
/* XXX: repair this */
@ -902,7 +907,8 @@ fsck_err:
return ret;
}
int bch2_btree_node_read_done(struct bch_fs *c, struct btree *b, bool have_retry)
int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
struct btree *b, bool have_retry)
{
struct btree_node_entry *bne;
struct sort_iter *iter;
@ -919,15 +925,15 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct btree *b, bool have_retry
iter->size = (btree_blocks(c) + 1) * 2;
if (bch2_meta_read_fault("btree"))
btree_err(BTREE_ERR_MUST_RETRY, c, b, NULL,
btree_err(BTREE_ERR_MUST_RETRY, c, ca, b, NULL,
"dynamic fault");
btree_err_on(le64_to_cpu(b->data->magic) != bset_magic(c),
BTREE_ERR_MUST_RETRY, c, b, NULL,
BTREE_ERR_MUST_RETRY, c, ca, b, NULL,
"bad magic");
btree_err_on(!b->data->keys.seq,
BTREE_ERR_MUST_RETRY, c, b, NULL,
BTREE_ERR_MUST_RETRY, c, ca, b, NULL,
"bad btree header");
if (b->key.k.type == KEY_TYPE_btree_ptr_v2) {
@ -935,7 +941,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct btree *b, bool have_retry
&bkey_i_to_btree_ptr_v2(&b->key)->v;
btree_err_on(b->data->keys.seq != bp->seq,
BTREE_ERR_MUST_RETRY, c, b, NULL,
BTREE_ERR_MUST_RETRY, c, ca, b, NULL,
"got wrong btree node (seq %llx want %llx)",
b->data->keys.seq, bp->seq);
}
@ -950,7 +956,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct btree *b, bool have_retry
i = &b->data->keys;
btree_err_on(!bch2_checksum_type_valid(c, BSET_CSUM_TYPE(i)),
BTREE_ERR_WANT_RETRY, c, b, i,
BTREE_ERR_WANT_RETRY, c, ca, b, i,
"unknown checksum type %llu",
BSET_CSUM_TYPE(i));
@ -958,7 +964,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct btree *b, bool have_retry
csum = csum_vstruct(c, BSET_CSUM_TYPE(i), nonce, b->data);
btree_err_on(bch2_crc_cmp(csum, b->data->csum),
BTREE_ERR_WANT_RETRY, c, b, i,
BTREE_ERR_WANT_RETRY, c, ca, b, i,
"invalid checksum");
bset_encrypt(c, i, b->written << 9);
@ -978,7 +984,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct btree *b, bool have_retry
break;
btree_err_on(!bch2_checksum_type_valid(c, BSET_CSUM_TYPE(i)),
BTREE_ERR_WANT_RETRY, c, b, i,
BTREE_ERR_WANT_RETRY, c, ca, b, i,
"unknown checksum type %llu",
BSET_CSUM_TYPE(i));
@ -986,7 +992,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct btree *b, bool have_retry
csum = csum_vstruct(c, BSET_CSUM_TYPE(i), nonce, bne);
btree_err_on(bch2_crc_cmp(csum, bne->csum),
BTREE_ERR_WANT_RETRY, c, b, i,
BTREE_ERR_WANT_RETRY, c, ca, b, i,
"invalid checksum");
bset_encrypt(c, i, b->written << 9);
@ -994,7 +1000,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct btree *b, bool have_retry
sectors = vstruct_sectors(bne, c->block_bits);
}
ret = validate_bset(c, b, i, sectors,
ret = validate_bset(c, ca, b, i, sectors,
READ, have_retry);
if (ret)
goto fsck_err;
@ -1016,7 +1022,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct btree *b, bool have_retry
true);
btree_err_on(blacklisted && first,
BTREE_ERR_FIXABLE, c, b, i,
BTREE_ERR_FIXABLE, c, ca, b, i,
"first btree node bset has blacklisted journal seq");
if (blacklisted && !first)
continue;
@ -1033,7 +1039,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct btree *b, bool have_retry
bset_byte_offset(b, bne) < btree_bytes(c);
bne = (void *) bne + block_bytes(c))
btree_err_on(bne->keys.seq == b->data->keys.seq,
BTREE_ERR_WANT_RETRY, c, b, NULL,
BTREE_ERR_WANT_RETRY, c, ca, b, NULL,
"found bset signature after last bset");
sorted = btree_bounce_alloc(c, btree_bytes(c), &used_mempool);
@ -1068,7 +1074,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct btree *b, bool have_retry
char buf[160];
bch2_bkey_val_to_text(&PBUF(buf), c, u.s_c);
btree_err(BTREE_ERR_FIXABLE, c, b, i,
btree_err(BTREE_ERR_FIXABLE, c, NULL, b, i,
"invalid bkey %s: %s", buf, invalid);
btree_keys_account_key_drop(&b->nr, 0, k);
@ -1158,7 +1164,7 @@ start:
&failed, &rb->pick) > 0;
if (!bio->bi_status &&
!bch2_btree_node_read_done(c, b, can_retry))
!bch2_btree_node_read_done(c, ca, b, can_retry))
break;
if (!can_retry) {
@ -1465,7 +1471,7 @@ static int validate_bset_for_write(struct bch_fs *c, struct btree *b,
if (bch2_bkey_invalid(c, bkey_i_to_s_c(&b->key), BKEY_TYPE_BTREE))
return -1;
ret = validate_bset(c, b, i, sectors, WRITE, false) ?:
ret = validate_bset(c, NULL, b, i, sectors, WRITE, false) ?:
validate_bset_keys(c, b, i, &whiteout_u64s, WRITE, false);
if (ret) {
bch2_inconsistent_error(c);

3
fs/bcachefs/btree_io.h
View File

@ -134,7 +134,8 @@ void bch2_btree_build_aux_trees(struct btree *);
void bch2_btree_init_next(struct bch_fs *, struct btree *,
struct btree_iter *);
int bch2_btree_node_read_done(struct bch_fs *, struct btree *, bool);
int bch2_btree_node_read_done(struct bch_fs *, struct bch_dev *,
struct btree *, bool);
void bch2_btree_node_read(struct bch_fs *, struct btree *, bool);
int bch2_btree_root_read(struct bch_fs *, enum btree_id,
const struct bkey_i *, unsigned);

2
fs/bcachefs/debug.c
View File

@ -79,7 +79,7 @@ void __bch2_btree_verify(struct bch_fs *c, struct btree *b)
memcpy(n_ondisk, n_sorted, btree_bytes(c));
if (bch2_btree_node_read_done(c, v, false))
if (bch2_btree_node_read_done(c, ca, v, false))
goto out;
n_sorted = c->verify_data->data;