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Heap-allocate printbufs

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Signed-off-by: Aleksei Kharlamov <aleksei@devass.club>
This commit is contained in:
Aleksei Kharlamov 2022-02-26 18:06:02 +01:00
parent 63805882d4
commit b1a2ab6eef
3 changed files with 57 additions and 43 deletions
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65
cmd_debug.c
View File

@ -189,7 +189,7 @@ static void list_keys(struct bch_fs *c, enum btree_id btree_id,
struct btree_trans trans;
struct btree_iter iter;
struct bkey_s_c k;
char buf[512];
struct printbuf buf = PRINTBUF;
int ret;
bch2_trans_init(&trans, c, 0, 0);
@ -200,12 +200,15 @@ static void list_keys(struct bch_fs *c, enum btree_id btree_id,
if (bkey_cmp(k.k->p, end) > 0)
break;
bch2_bkey_val_to_text(&PBUF(buf), c, k);
puts(buf);
printbuf_reset(&buf);
bch2_bkey_val_to_text(&buf, c, k);
puts(buf.buf);
}
bch2_trans_iter_exit(&trans, &iter);
bch2_trans_exit(&trans);
printbuf_exit(&buf);
}
static void list_btree_formats(struct bch_fs *c, enum btree_id btree_id, unsigned level,
@ -214,7 +217,7 @@ static void list_btree_formats(struct bch_fs *c, enum btree_id btree_id, unsigne
struct btree_trans trans;
struct btree_iter iter;
struct btree *b;
char buf[4096];
struct printbuf buf = PRINTBUF;
int ret;
bch2_trans_init(&trans, c, 0, 0);
@ -223,8 +226,9 @@ static void list_btree_formats(struct bch_fs *c, enum btree_id btree_id, unsigne
if (bkey_cmp(b->key.k.p, end) > 0)
break;
bch2_btree_node_to_text(&PBUF(buf), c, b);
puts(buf);
printbuf_reset(&buf);
bch2_btree_node_to_text(&buf, c, b);
puts(buf.buf);
}
bch2_trans_iter_exit(&trans, &iter);
@ -232,6 +236,7 @@ static void list_btree_formats(struct bch_fs *c, enum btree_id btree_id, unsigne
die("error %s walking btree nodes", strerror(-ret));
bch2_trans_exit(&trans);
printbuf_exit(&buf);
}
static void list_nodes(struct bch_fs *c, enum btree_id btree_id, unsigned level,
@ -240,7 +245,7 @@ static void list_nodes(struct bch_fs *c, enum btree_id btree_id, unsigned level,
struct btree_trans trans;
struct btree_iter iter;
struct btree *b;
char buf[4096];
struct printbuf buf = PRINTBUF;
int ret;
bch2_trans_init(&trans, c, 0, 0);
@ -249,8 +254,9 @@ static void list_nodes(struct bch_fs *c, enum btree_id btree_id, unsigned level,
if (bkey_cmp(b->key.k.p, end) > 0)
break;
bch2_bkey_val_to_text(&PBUF(buf), c, bkey_i_to_s_c(&b->key));
fputs(buf, stdout);
printbuf_reset(&buf);
bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&b->key));
fputs(buf.buf, stdout);
putchar('\n');
}
bch2_trans_iter_exit(&trans, &iter);
@ -259,6 +265,7 @@ static void list_nodes(struct bch_fs *c, enum btree_id btree_id, unsigned level,
die("error %s walking btree nodes", strerror(-ret));
bch2_trans_exit(&trans);
printbuf_exit(&buf);
}
static void print_node_ondisk(struct bch_fs *c, struct btree *b)
@ -347,10 +354,12 @@ static void print_node_ondisk(struct bch_fs *c, struct btree *b)
for (k = i->start; k != vstruct_last(i); k = bkey_next(k)) {
struct bkey u;
char buf[4096];
struct printbuf buf = PRINTBUF;
bch2_bkey_val_to_text(&PBUF(buf), c, bkey_disassemble(b, k, &u));
fprintf(stdout, " %s\n", buf);
bch2_bkey_val_to_text(&buf, c, bkey_disassemble(b, k, &u));
fprintf(stdout, " %s\n", buf.buf);
printbuf_exit(&buf);
}
}
@ -363,7 +372,7 @@ static void list_nodes_ondisk(struct bch_fs *c, enum btree_id btree_id, unsigned
struct btree_trans trans;
struct btree_iter iter;
struct btree *b;
char buf[4096];
struct printbuf buf = PRINTBUF;
int ret;
bch2_trans_init(&trans, c, 0, 0);
@ -372,8 +381,9 @@ static void list_nodes_ondisk(struct bch_fs *c, enum btree_id btree_id, unsigned
if (bkey_cmp(b->key.k.p, end) > 0)
break;
bch2_bkey_val_to_text(&PBUF(buf), c, bkey_i_to_s_c(&b->key));
fputs(buf, stdout);
printbuf_reset(&buf);
bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&b->key));
fputs(buf.buf, stdout);
putchar('\n');
print_node_ondisk(c, b);
@ -384,6 +394,7 @@ static void list_nodes_ondisk(struct bch_fs *c, enum btree_id btree_id, unsigned
die("error %s walking btree nodes", strerror(-ret));
bch2_trans_exit(&trans);
printbuf_exit(&buf);
}
static void list_nodes_keys(struct bch_fs *c, enum btree_id btree_id, unsigned level,
@ -395,7 +406,7 @@ static void list_nodes_keys(struct bch_fs *c, enum btree_id btree_id, unsigned l
struct bkey unpacked;
struct bkey_s_c k;
struct btree *b;
char buf[4096];
struct printbuf buf = PRINTBUF;
int ret;
bch2_trans_init(&trans, c, 0, 0);
@ -404,13 +415,15 @@ static void list_nodes_keys(struct bch_fs *c, enum btree_id btree_id, unsigned l
if (bkey_cmp(b->key.k.p, end) > 0)
break;
bch2_btree_node_to_text(&PBUF(buf), c, b);
fputs(buf, stdout);
printbuf_reset(&buf);
bch2_btree_node_to_text(&buf, c, b);
fputs(buf.buf, stdout);
for_each_btree_node_key_unpack(b, k, &node_iter, &unpacked) {
bch2_bkey_val_to_text(&PBUF(buf), c, k);
printbuf_reset(&buf);
bch2_bkey_val_to_text(&buf, c, k);
putchar('\t');
puts(buf);
puts(buf.buf);
}
}
bch2_trans_iter_exit(&trans, &iter);
@ -419,6 +432,7 @@ static void list_nodes_keys(struct bch_fs *c, enum btree_id btree_id, unsigned l
die("error %s walking btree nodes", strerror(-ret));
bch2_trans_exit(&trans);
printbuf_exit(&buf);
}
static void list_keys_usage(void)
@ -598,8 +612,7 @@ int cmd_list_journal(int argc, char *argv[])
struct jset_entry *entry;
list_for_each_entry(p, &c->journal_entries, list) {
char _buf[4096];
struct printbuf buf = PBUF(_buf);
struct printbuf buf = PRINTBUF;
bch2_journal_ptrs_to_text(&buf, c, p);
@ -611,10 +624,10 @@ int cmd_list_journal(int argc, char *argv[])
le64_to_cpu(p->j.seq),
le32_to_cpu(p->j.version),
le64_to_cpu(p->j.last_seq),
_buf);
buf.buf);
vstruct_for_each(&p->j, entry) {
buf = PBUF(_buf);
printbuf_reset(&buf);
/*
* log entries denote the start of a new transaction
@ -623,8 +636,10 @@ int cmd_list_journal(int argc, char *argv[])
pr_indent_push(&buf,
entry->type == BCH_JSET_ENTRY_log ? 2 : 4);
bch2_journal_entry_to_text(&buf, c, entry);
printf("%s\n", _buf);
printf("%s\n", buf.buf);
}
printbuf_exit(&buf);
}
bch2_fs_stop(c);

21
cmd_format.c
View File

@ -237,13 +237,14 @@ int cmd_format(int argc, char *argv[])
bch2_opt_strs_free(&fs_opt_strs);
if (!quiet) {
char buf[4096];
struct printbuf out = PBUF(buf);
struct printbuf buf = PRINTBUF;
out.units = PRINTBUF_UNITS_HUMAN_READABLE;
buf.units = PRINTBUF_UNITS_HUMAN_READABLE;
bch2_sb_to_text(&PBUF(buf), sb, false, 1 << BCH_SB_FIELD_members);
printf("%s", buf);
bch2_sb_to_text(&buf, sb, false, 1 << BCH_SB_FIELD_members);
printf("%s", buf.buf);
printbuf_exit(&buf);
}
free(sb);
@ -332,14 +333,14 @@ int cmd_show_super(int argc, char *argv[])
if (ret)
die("Error opening %s: %s", dev, strerror(-ret));
char buf[4096 << 2];
struct printbuf out = PBUF(buf);
struct printbuf buf = PRINTBUF;
out.units = PRINTBUF_UNITS_HUMAN_READABLE;
buf.units = PRINTBUF_UNITS_HUMAN_READABLE;
bch2_sb_to_text(&PBUF(buf), sb.sb, print_layout, fields);
printf("%s", buf);
bch2_sb_to_text(&buf, sb.sb, print_layout, fields);
printf("%s", buf.buf);
bch2_free_super(&sb);
printbuf_exit(&buf);
return 0;
}

14
cmd_fs.c
View File

@ -291,8 +291,7 @@ int fs_usage(void)
int cmd_fs_usage(int argc, char *argv[])
{
enum printbuf_units units = PRINTBUF_UNITS_BYTES;
char _buf[1 << 16];
struct printbuf buf;
struct printbuf buf = PRINTBUF;
char *fs;
int opt;
@ -305,20 +304,19 @@ int cmd_fs_usage(int argc, char *argv[])
args_shift(optind);
if (!argc) {
buf = PBUF(_buf);
printbuf_reset(&buf);
buf.units = units;
fs_usage_to_text(&buf, ".");
*buf.pos = 0;
printf("%s", _buf);
printf("%s", buf.buf);
} else {
while ((fs = arg_pop())) {
buf = PBUF(_buf);
printbuf_reset(&buf);
buf.units = units;
fs_usage_to_text(&buf, fs);
*buf.pos = 0;
printf("%s", _buf);
printf("%s", buf.buf);
}
}
printbuf_exit(&buf);
return 0;
}