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bcachefs: Standardize helpers for printing enum strs with bounds checks 

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-04-12 15:17:00 -04:00
parent ba8ed36e72
commit 9abb6dd7ce
10 changed files with 69 additions and 56 deletions
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4
fs/bcachefs/bcachefs_format.h
View File

@ -1314,7 +1314,7 @@ static inline __u64 __bset_magic(struct bch_sb *sb)
x(write_buffer_keys, 11) \
x(datetime, 12)
enum {
enum bch_jset_entry_type {
#define x(f, nr) BCH_JSET_ENTRY_##f = nr,
BCH_JSET_ENTRY_TYPES()
#undef x
@ -1360,7 +1360,7 @@ struct jset_entry_blacklist_v2 {
x(inodes, 1) \
x(key_version, 2)
enum {
enum bch_fs_usage_type {
#define x(f, nr) BCH_FS_USAGE_##f = nr,
BCH_FS_USAGE_TYPES()
#undef x

8
fs/bcachefs/buckets.h
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@ -395,14 +395,6 @@ static inline const char *bch2_data_type_str(enum bch_data_type type)
: "(invalid data type)";
}
static inline void bch2_prt_data_type(struct printbuf *out, enum bch_data_type type)
{
if (type < BCH_DATA_NR)
prt_str(out, __bch2_data_types[type]);
else
prt_printf(out, "(invalid data type %u)", type);
}
/* disk reservations: */
static inline void bch2_disk_reservation_put(struct bch_fs *c,

23
fs/bcachefs/checksum.c
View File

@ -429,15 +429,20 @@ int bch2_rechecksum_bio(struct bch_fs *c, struct bio *bio,
extent_nonce(version, crc_old), bio);
if (bch2_crc_cmp(merged, crc_old.csum) && !c->opts.no_data_io) {
bch_err(c, "checksum error in %s() (memory corruption or bug?)\n"
"expected %0llx:%0llx got %0llx:%0llx (old type %s new type %s)",
__func__,
crc_old.csum.hi,
crc_old.csum.lo,
merged.hi,
merged.lo,
bch2_csum_types[crc_old.csum_type],
bch2_csum_types[new_csum_type]);
struct printbuf buf = PRINTBUF;
prt_printf(&buf, "checksum error in %s() (memory corruption or bug?)\n"
"expected %0llx:%0llx got %0llx:%0llx (old type ",
__func__,
crc_old.csum.hi,
crc_old.csum.lo,
merged.hi,
merged.lo);
bch2_prt_csum_type(&buf, crc_old.csum_type);
prt_str(&buf, " new type ");
bch2_prt_csum_type(&buf, new_csum_type);
prt_str(&buf, ")");
bch_err(c, "%s", buf.buf);
printbuf_exit(&buf);
return -EIO;
}

5
fs/bcachefs/checksum.h
View File

@ -61,11 +61,12 @@ static inline void bch2_csum_err_msg(struct printbuf *out,
struct bch_csum expected,
struct bch_csum got)
{
prt_printf(out, "checksum error: got ");
prt_str(out, "checksum error, type ");
bch2_prt_csum_type(out, type);
prt_str(out, ": got ");
bch2_csum_to_text(out, type, got);
prt_str(out, " should be ");
bch2_csum_to_text(out, type, expected);
prt_printf(out, " type %s", bch2_csum_types[type]);
}
int bch2_chacha_encrypt_key(struct bch_key *, struct nonce, void *, size_t);

8
fs/bcachefs/compress.h
View File

@ -47,14 +47,6 @@ static inline enum bch_compression_type bch2_compression_opt_to_type(unsigned v)
return __bch2_compression_opt_to_type[bch2_compression_decode(v).type];
}
static inline void bch2_prt_compression_type(struct printbuf *out, enum bch_compression_type type)
{
if (type < BCH_COMPRESSION_TYPE_NR)
prt_str(out, __bch2_compression_types[type]);
else
prt_printf(out, "(invalid compression type %u)", type);
}
int bch2_bio_uncompress_inplace(struct bch_fs *, struct bio *,
struct bch_extent_crc_unpacked *);
int bch2_bio_uncompress(struct bch_fs *, struct bio *, struct bio *,

14
fs/bcachefs/ec.c
View File

@ -138,13 +138,13 @@ void bch2_stripe_to_text(struct printbuf *out, struct bch_fs *c,
unsigned nr_data = s.nr_blocks - s.nr_redundant;
prt_printf(out, "algo %u sectors %u blocks %u:%u csum %u gran %u",
prt_printf(out, "algo %u sectors %u blocks %u:%u csum ",
s.algorithm,
le16_to_cpu(s.sectors),
nr_data,
s.nr_redundant,
s.csum_type,
1U << s.csum_granularity_bits);
s.nr_redundant);
bch2_prt_csum_type(out, s.csum_type);
prt_printf(out, " gran %u", 1U << s.csum_granularity_bits);
for (unsigned i = 0; i < s.nr_blocks; i++) {
const struct bch_extent_ptr *ptr = sp->ptrs + i;
@ -611,10 +611,8 @@ static void ec_validate_checksums(struct bch_fs *c, struct ec_stripe_buf *buf)
struct printbuf err = PRINTBUF;
struct bch_dev *ca = bch_dev_bkey_exists(c, v->ptrs[i].dev);
prt_printf(&err, "stripe checksum error: expected %0llx:%0llx got %0llx:%0llx (type %s)\n",
want.hi, want.lo,
got.hi, got.lo,
bch2_csum_types[v->csum_type]);
prt_str(&err, "stripe ");
bch2_csum_err_msg(&err, v->csum_type, want, got);
prt_printf(&err, " for %ps at %u of\n ", (void *) _RET_IP_, i);
bch2_bkey_val_to_text(&err, c, bkey_i_to_s_c(&buf->key));
bch_err_ratelimited(ca, "%s", err.buf);

7
fs/bcachefs/extents.c
View File

@ -1030,11 +1030,12 @@ void bch2_bkey_ptrs_to_text(struct printbuf *out, struct bch_fs *c,
struct bch_extent_crc_unpacked crc =
bch2_extent_crc_unpack(k.k, entry_to_crc(entry));
prt_printf(out, "crc: c_size %u size %u offset %u nonce %u csum %s compress ",
prt_printf(out, "crc: c_size %u size %u offset %u nonce %u csum ",
crc.compressed_size,
crc.uncompressed_size,
crc.offset, crc.nonce,
bch2_csum_types[crc.csum_type]);
crc.offset, crc.nonce);
bch2_prt_csum_type(out, crc.csum_type);
prt_str(out, " compress ");
bch2_prt_compression_type(out, crc.compression_type);
break;
}

17
fs/bcachefs/journal_io.c
View File

@ -247,7 +247,7 @@ static void journal_entry_err_msg(struct printbuf *out,
if (entry) {
prt_str(out, " type=");
prt_str(out, bch2_jset_entry_types[entry->type]);
bch2_prt_jset_entry_type(out, entry->type);
}
if (!jset) {
@ -403,7 +403,8 @@ static void journal_entry_btree_keys_to_text(struct printbuf *out, struct bch_fs
jset_entry_for_each_key(entry, k) {
if (!first) {
prt_newline(out);
prt_printf(out, "%s: ", bch2_jset_entry_types[entry->type]);
bch2_prt_jset_entry_type(out, entry->type);
prt_str(out, ": ");
}
prt_printf(out, "btree=%s l=%u ", bch2_btree_id_str(entry->btree_id), entry->level);
bch2_bkey_val_to_text(out, c, bkey_i_to_s_c(k));
@ -563,9 +564,9 @@ static void journal_entry_usage_to_text(struct printbuf *out, struct bch_fs *c,
struct jset_entry_usage *u =
container_of(entry, struct jset_entry_usage, entry);
prt_printf(out, "type=%s v=%llu",
bch2_fs_usage_types[u->entry.btree_id],
le64_to_cpu(u->v));
prt_str(out, "type=");
bch2_prt_fs_usage_type(out, u->entry.btree_id);
prt_printf(out, " v=%llu", le64_to_cpu(u->v));
}
static int journal_entry_data_usage_validate(struct bch_fs *c,
@ -827,11 +828,11 @@ int bch2_journal_entry_validate(struct bch_fs *c,
void bch2_journal_entry_to_text(struct printbuf *out, struct bch_fs *c,
struct jset_entry *entry)
{
bch2_prt_jset_entry_type(out, entry->type);
if (entry->type < BCH_JSET_ENTRY_NR) {
prt_printf(out, "%s: ", bch2_jset_entry_types[entry->type]);
prt_str(out, ": ");
bch2_jset_entry_ops[entry->type].to_text(out, c, entry);
} else {
prt_printf(out, "(unknown type %u)", entry->type);
}
}

29
fs/bcachefs/opts.c
View File

@ -43,7 +43,7 @@ const char * const __bch2_btree_ids[] = {
NULL
};
const char * const bch2_csum_types[] = {
static const char * const __bch2_csum_types[] = {
BCH_CSUM_TYPES()
NULL
};
@ -53,7 +53,7 @@ const char * const bch2_csum_opts[] = {
NULL
};
const char * const __bch2_compression_types[] = {
static const char * const __bch2_compression_types[] = {
BCH_COMPRESSION_TYPES()
NULL
};
@ -83,18 +83,39 @@ const char * const bch2_member_states[] = {
NULL
};
const char * const bch2_jset_entry_types[] = {
static const char * const __bch2_jset_entry_types[] = {
BCH_JSET_ENTRY_TYPES()
NULL
};
const char * const bch2_fs_usage_types[] = {
static const char * const __bch2_fs_usage_types[] = {
BCH_FS_USAGE_TYPES()
NULL
};
#undef x
static void prt_str_opt_boundscheck(struct printbuf *out, const char * const opts[],
unsigned nr, const char *type, unsigned idx)
{
if (idx < nr)
prt_str(out, opts[idx]);
else
prt_printf(out, "(unknown %s %u)", type, idx);
}
#define PRT_STR_OPT_BOUNDSCHECKED(name, type) \
void bch2_prt_##name(struct printbuf *out, type t) \
{ \
prt_str_opt_boundscheck(out, __bch2_##name##s, ARRAY_SIZE(__bch2_##name##s) - 1, #name, t);\
}
PRT_STR_OPT_BOUNDSCHECKED(jset_entry_type, enum bch_jset_entry_type);
PRT_STR_OPT_BOUNDSCHECKED(fs_usage_type, enum bch_fs_usage_type);
PRT_STR_OPT_BOUNDSCHECKED(data_type, enum bch_data_type);
PRT_STR_OPT_BOUNDSCHECKED(csum_type, enum bch_csum_type);
PRT_STR_OPT_BOUNDSCHECKED(compression_type, enum bch_compression_type);
static int bch2_opt_fix_errors_parse(struct bch_fs *c, const char *val, u64 *res,
struct printbuf *err)
{

10
fs/bcachefs/opts.h
View File

@ -16,18 +16,20 @@ extern const char * const bch2_version_upgrade_opts[];
extern const char * const bch2_sb_features[];
extern const char * const bch2_sb_compat[];
extern const char * const __bch2_btree_ids[];
extern const char * const bch2_csum_types[];
extern const char * const bch2_csum_opts[];
extern const char * const __bch2_compression_types[];
extern const char * const bch2_compression_opts[];
extern const char * const bch2_str_hash_types[];
extern const char * const bch2_str_hash_opts[];
extern const char * const __bch2_data_types[];
extern const char * const bch2_member_states[];
extern const char * const bch2_jset_entry_types[];
extern const char * const bch2_fs_usage_types[];
extern const char * const bch2_d_types[];
void bch2_prt_jset_entry_type(struct printbuf *, enum bch_jset_entry_type);
void bch2_prt_fs_usage_type(struct printbuf *, enum bch_fs_usage_type);
void bch2_prt_data_type(struct printbuf *, enum bch_data_type);
void bch2_prt_csum_type(struct printbuf *, enum bch_csum_type);
void bch2_prt_compression_type(struct printbuf *, enum bch_compression_type);
static inline const char *bch2_d_type_str(unsigned d_type)
{
return (d_type < BCH_DT_MAX ? bch2_d_types[d_type] : NULL) ?: "(bad d_type)";