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bcachefs: Plumb bkey into __btree_err()

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It can be useful to know the exact byte offset within a btree node where
an error occured.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-05-24 13:59:34 -04:00
parent b82b6eeefd
commit 1292bc2ebf
1 changed files with 45 additions and 40 deletions
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85
fs/bcachefs/btree_io.c
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@ -519,7 +519,7 @@ void bch2_btree_init_next(struct btree_trans *trans, struct btree *b)
static void btree_err_msg(struct printbuf *out, struct bch_fs *c,
struct bch_dev *ca,
struct btree *b, struct bset *i,
struct btree *b, struct bset *i, struct bkey_packed *k,
unsigned offset, int write)
{
prt_printf(out, bch2_log_msg(c, "%s"),
@ -537,15 +537,20 @@ static void btree_err_msg(struct printbuf *out, struct bch_fs *c,
b->written, btree_ptr_sectors_written(&b->key));
if (i)
prt_printf(out, " bset u64s %u", le16_to_cpu(i->u64s));
if (k)
prt_printf(out, " bset byte offset %lu",
(unsigned long)(void *)k -
((unsigned long)(void *)i & ~511UL));
prt_str(out, ": ");
}
__printf(9, 10)
__printf(10, 11)
static int __btree_err(int ret,
struct bch_fs *c,
struct bch_dev *ca,
struct btree *b,
struct bset *i,
struct bkey_packed *k,
int write,
bool have_retry,
enum bch_sb_error_id err_type,
@ -555,7 +560,7 @@ static int __btree_err(int ret,
bool silent = c->curr_recovery_pass == BCH_RECOVERY_PASS_scan_for_btree_nodes;
va_list args;
btree_err_msg(&out, c, ca, b, i, b->written, write);
btree_err_msg(&out, c, ca, b, i, k, b->written, write);
va_start(args, fmt);
prt_vprintf(&out, fmt, args);
@ -611,9 +616,9 @@ static int __btree_err(int ret,
return ret;
}
#define btree_err(type, c, ca, b, i, _err_type, msg, ...) \
#define btree_err(type, c, ca, b, i, k, _err_type, msg, ...) \
({ \
int _ret = __btree_err(type, c, ca, b, i, write, have_retry, \
int _ret = __btree_err(type, c, ca, b, i, k, write, have_retry, \
BCH_FSCK_ERR_##_err_type, \
msg, ##__VA_ARGS__); \
\
@ -690,7 +695,7 @@ static int validate_bset(struct bch_fs *c, struct bch_dev *ca,
btree_err_on(!bch2_version_compatible(version),
-BCH_ERR_btree_node_read_err_incompatible,
c, ca, b, i,
c, ca, b, i, NULL,
btree_node_unsupported_version,
"unsupported bset version %u.%u",
BCH_VERSION_MAJOR(version),
@ -698,7 +703,7 @@ static int validate_bset(struct bch_fs *c, struct bch_dev *ca,
if (btree_err_on(version < c->sb.version_min,
-BCH_ERR_btree_node_read_err_fixable,
c, NULL, b, i,
c, NULL, b, i, NULL,
btree_node_bset_older_than_sb_min,
"bset version %u older than superblock version_min %u",
version, c->sb.version_min)) {
@ -711,7 +716,7 @@ static int validate_bset(struct bch_fs *c, struct bch_dev *ca,
if (btree_err_on(BCH_VERSION_MAJOR(version) >
BCH_VERSION_MAJOR(c->sb.version),
-BCH_ERR_btree_node_read_err_fixable,
c, NULL, b, i,
c, NULL, b, i, NULL,
btree_node_bset_newer_than_sb,
"bset version %u newer than superblock version %u",
version, c->sb.version)) {
@ -723,13 +728,13 @@ static int validate_bset(struct bch_fs *c, struct bch_dev *ca,
btree_err_on(BSET_SEPARATE_WHITEOUTS(i),
-BCH_ERR_btree_node_read_err_incompatible,
c, ca, b, i,
c, ca, b, i, NULL,
btree_node_unsupported_version,
"BSET_SEPARATE_WHITEOUTS no longer supported");
if (btree_err_on(offset + sectors > btree_sectors(c),
-BCH_ERR_btree_node_read_err_fixable,
c, ca, b, i,
c, ca, b, i, NULL,
bset_past_end_of_btree_node,
"bset past end of btree node")) {
i->u64s = 0;
@ -739,13 +744,13 @@ static int validate_bset(struct bch_fs *c, struct bch_dev *ca,
btree_err_on(offset && !i->u64s,
-BCH_ERR_btree_node_read_err_fixable,
c, ca, b, i,
c, ca, b, i, NULL,
bset_empty,
"empty bset");
btree_err_on(BSET_OFFSET(i) && BSET_OFFSET(i) != offset,
-BCH_ERR_btree_node_read_err_want_retry,
c, ca, b, i,
c, ca, b, i, NULL,
bset_wrong_sector_offset,
"bset at wrong sector offset");
@ -761,20 +766,20 @@ static int validate_bset(struct bch_fs *c, struct bch_dev *ca,
/* XXX endianness */
btree_err_on(bp->seq != bn->keys.seq,
-BCH_ERR_btree_node_read_err_must_retry,
c, ca, b, NULL,
c, ca, b, NULL, NULL,
bset_bad_seq,
"incorrect sequence number (wrong btree node)");
}
btree_err_on(BTREE_NODE_ID(bn) != b->c.btree_id,
-BCH_ERR_btree_node_read_err_must_retry,
c, ca, b, i,
c, ca, b, i, NULL,
btree_node_bad_btree,
"incorrect btree id");
btree_err_on(BTREE_NODE_LEVEL(bn) != b->c.level,
-BCH_ERR_btree_node_read_err_must_retry,
c, ca, b, i,
c, ca, b, i, NULL,
btree_node_bad_level,
"incorrect level");
@ -793,7 +798,7 @@ static int validate_bset(struct bch_fs *c, struct bch_dev *ca,
btree_err_on(!bpos_eq(b->data->min_key, bp->min_key),
-BCH_ERR_btree_node_read_err_must_retry,
c, ca, b, NULL,
c, ca, b, NULL, NULL,
btree_node_bad_min_key,
"incorrect min_key: got %s should be %s",
(printbuf_reset(&buf1),
@ -804,7 +809,7 @@ static int validate_bset(struct bch_fs *c, struct bch_dev *ca,
btree_err_on(!bpos_eq(bn->max_key, b->key.k.p),
-BCH_ERR_btree_node_read_err_must_retry,
c, ca, b, i,
c, ca, b, i, NULL,
btree_node_bad_max_key,
"incorrect max key %s",
(printbuf_reset(&buf1),
@ -816,7 +821,7 @@ static int validate_bset(struct bch_fs *c, struct bch_dev *ca,
btree_err_on(bch2_bkey_format_invalid(c, &bn->format, write, &buf1),
-BCH_ERR_btree_node_read_err_bad_node,
c, ca, b, i,
c, ca, b, i, NULL,
btree_node_bad_format,
"invalid bkey format: %s\n %s", buf1.buf,
(printbuf_reset(&buf2),
@ -883,7 +888,7 @@ static int validate_bset_keys(struct bch_fs *c, struct btree *b,
if (btree_err_on(bkey_p_next(k) > vstruct_last(i),
-BCH_ERR_btree_node_read_err_fixable,
c, NULL, b, i,
c, NULL, b, i, k,
btree_node_bkey_past_bset_end,
"key extends past end of bset")) {
i->u64s = cpu_to_le16((u64 *) k - i->_data);
@ -892,14 +897,14 @@ static int validate_bset_keys(struct bch_fs *c, struct btree *b,
if (btree_err_on(k->format > KEY_FORMAT_CURRENT,
-BCH_ERR_btree_node_read_err_fixable,
c, NULL, b, i,
c, NULL, b, i, k,
btree_node_bkey_bad_format,
"invalid bkey format %u", k->format))
goto drop_this_key;
if (btree_err_on(!bkeyp_u64s_valid(&b->format, k),
-BCH_ERR_btree_node_read_err_fixable,
c, NULL, b, i,
c, NULL, b, i, k,
btree_node_bkey_bad_u64s,
"bad k->u64s %u (min %u max %zu)", k->u64s,
bkeyp_key_u64s(&b->format, k),
@ -921,7 +926,7 @@ static int validate_bset_keys(struct bch_fs *c, struct btree *b,
bch2_bkey_val_to_text(&buf, c, u.s_c);
btree_err(-BCH_ERR_btree_node_read_err_fixable,
c, NULL, b, i,
c, NULL, b, i, k,
btree_node_bad_bkey,
"invalid bkey: %s", buf.buf);
goto drop_this_key;
@ -942,7 +947,7 @@ static int validate_bset_keys(struct bch_fs *c, struct btree *b,
bch2_bkey_to_text(&buf, u.k);
if (btree_err(-BCH_ERR_btree_node_read_err_fixable,
c, NULL, b, i,
c, NULL, b, i, k,
btree_node_bkey_out_of_order,
"%s", buf.buf))
goto drop_this_key;
@ -1011,13 +1016,13 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
if (bch2_meta_read_fault("btree"))
btree_err(-BCH_ERR_btree_node_read_err_must_retry,
c, ca, b, NULL,
c, ca, b, NULL, NULL,
btree_node_fault_injected,
"dynamic fault");
btree_err_on(le64_to_cpu(b->data->magic) != bset_magic(c),
-BCH_ERR_btree_node_read_err_must_retry,
c, ca, b, NULL,
c, ca, b, NULL, NULL,
btree_node_bad_magic,
"bad magic: want %llx, got %llx",
bset_magic(c), le64_to_cpu(b->data->magic));
@ -1032,7 +1037,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
btree_err_on(b->data->keys.seq != bp->seq,
-BCH_ERR_btree_node_read_err_must_retry,
c, ca, b, NULL,
c, ca, b, NULL, NULL,
btree_node_bad_seq,
"got wrong btree node: got\n%s",
(printbuf_reset(&buf),
@ -1041,7 +1046,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
} else {
btree_err_on(!b->data->keys.seq,
-BCH_ERR_btree_node_read_err_must_retry,
c, ca, b, NULL,
c, ca, b, NULL, NULL,
btree_node_bad_seq,
"bad btree header: seq 0\n%s",
(printbuf_reset(&buf),
@ -1060,7 +1065,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
btree_err_on(!bch2_checksum_type_valid(c, BSET_CSUM_TYPE(i)),
-BCH_ERR_btree_node_read_err_want_retry,
c, ca, b, i,
c, ca, b, i, NULL,
bset_unknown_csum,
"unknown checksum type %llu", BSET_CSUM_TYPE(i));
@ -1073,7 +1078,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
btree_err_on(csum_bad,
-BCH_ERR_btree_node_read_err_want_retry,
c, ca, b, i,
c, ca, b, i, NULL,
bset_bad_csum,
"%s",
(printbuf_reset(&buf),
@ -1088,7 +1093,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
btree_err_on(btree_node_type_is_extents(btree_node_type(b)) &&
!BTREE_NODE_NEW_EXTENT_OVERWRITE(b->data),
-BCH_ERR_btree_node_read_err_incompatible,
c, NULL, b, NULL,
c, NULL, b, NULL, NULL,
btree_node_unsupported_version,
"btree node does not have NEW_EXTENT_OVERWRITE set");
@ -1102,7 +1107,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
btree_err_on(!bch2_checksum_type_valid(c, BSET_CSUM_TYPE(i)),
-BCH_ERR_btree_node_read_err_want_retry,
c, ca, b, i,
c, ca, b, i, NULL,
bset_unknown_csum,
"unknown checksum type %llu", BSET_CSUM_TYPE(i));
@ -1114,7 +1119,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
btree_err_on(csum_bad,
-BCH_ERR_btree_node_read_err_want_retry,
c, ca, b, i,
c, ca, b, i, NULL,
bset_bad_csum,
"%s",
(printbuf_reset(&buf),
@ -1152,14 +1157,14 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
btree_err_on(blacklisted && first,
-BCH_ERR_btree_node_read_err_fixable,
c, ca, b, i,
c, ca, b, i, NULL,
bset_blacklisted_journal_seq,
"first btree node bset has blacklisted journal seq (%llu)",
le64_to_cpu(i->journal_seq));
btree_err_on(blacklisted && ptr_written,
-BCH_ERR_btree_node_read_err_fixable,
c, ca, b, i,
c, ca, b, i, NULL,
first_bset_blacklisted_journal_seq,
"found blacklisted bset (journal seq %llu) in btree node at offset %u-%u/%u",
le64_to_cpu(i->journal_seq),
@ -1178,7 +1183,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
if (ptr_written) {
btree_err_on(b->written < ptr_written,
-BCH_ERR_btree_node_read_err_want_retry,
c, ca, b, NULL,
c, ca, b, NULL, NULL,
btree_node_data_missing,
"btree node data missing: expected %u sectors, found %u",
ptr_written, b->written);
@ -1191,7 +1196,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
le64_to_cpu(bne->keys.journal_seq),
true),
-BCH_ERR_btree_node_read_err_want_retry,
c, ca, b, NULL,
c, ca, b, NULL, NULL,
btree_node_bset_after_end,
"found bset signature after last bset");
}
@ -1235,7 +1240,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
bch2_bkey_val_to_text(&buf, c, u.s_c);
btree_err(-BCH_ERR_btree_node_read_err_fixable,
c, NULL, b, i,
c, NULL, b, i, k,
btree_node_bad_bkey,
"%s", buf.buf);
@ -1471,18 +1476,18 @@ static CLOSURE_CALLBACK(btree_node_read_all_replicas_done)
written2 = btree_node_sectors_written(c, ra->buf[i]);
if (btree_err_on(written2 != written, -BCH_ERR_btree_node_read_err_fixable,
c, NULL, b, NULL,
c, NULL, b, NULL, NULL,
btree_node_replicas_sectors_written_mismatch,
"btree node sectors written mismatch: %u != %u",
written, written2) ||
btree_err_on(btree_node_has_extra_bsets(c, written2, ra->buf[i]),
-BCH_ERR_btree_node_read_err_fixable,
c, NULL, b, NULL,
c, NULL, b, NULL, NULL,
btree_node_bset_after_end,
"found bset signature after last bset") ||
btree_err_on(memcmp(ra->buf[best], ra->buf[i], written << 9),
-BCH_ERR_btree_node_read_err_fixable,
c, NULL, b, NULL,
c, NULL, b, NULL, NULL,
btree_node_replicas_data_mismatch,
"btree node replicas content mismatch"))
dump_bset_maps = true;