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bcachefs: bch2_prt_compression_type() 

bounds checking helper, since compression types are extensible

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-01-06 21:01:47 -05:00
parent e58f963cec
commit 4f564f4f9f
5 changed files with 15 additions and 6 deletions
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8
fs/bcachefs/compress.h
View File

@ -47,6 +47,14 @@ 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 *,

6
fs/bcachefs/extents.c
View File

@ -1018,12 +1018,12 @@ 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 %s",
prt_printf(out, "crc: c_size %u size %u offset %u nonce %u csum %s compress ",
crc.compressed_size,
crc.uncompressed_size,
crc.offset, crc.nonce,
bch2_csum_types[crc.csum_type],
bch2_compression_types[crc.compression_type]);
bch2_csum_types[crc.csum_type]);
bch2_prt_compression_type(out, crc.compression_type);
break;
}
case BCH_EXTENT_ENTRY_stripe_ptr: {

2
fs/bcachefs/opts.c
View File

@ -52,7 +52,7 @@ const char * const bch2_csum_opts[] = {
NULL
};
const char * const bch2_compression_types[] = {
const char * const __bch2_compression_types[] = {
BCH_COMPRESSION_TYPES()
NULL
};

2
fs/bcachefs/opts.h
View File

@ -18,7 +18,7 @@ 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_types[];
extern const char * const bch2_compression_opts[];
extern const char * const bch2_str_hash_types[];
extern const char * const bch2_str_hash_opts[];

3
fs/bcachefs/sysfs.c
View File

@ -21,6 +21,7 @@
#include "btree_gc.h"
#include "buckets.h"
#include "clock.h"
#include "compress.h"
#include "disk_groups.h"
#include "ec.h"
#include "inode.h"
@ -330,7 +331,7 @@ static int bch2_compression_stats_to_text(struct printbuf *out, struct bch_fs *c
prt_newline(out);
for (unsigned i = 0; i < ARRAY_SIZE(s); i++) {
prt_str(out, bch2_compression_types[i]);
bch2_prt_compression_type(out, i);
prt_tab(out);
prt_human_readable_u64(out, s[i].sectors_compressed << 9);