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Merge branch 'rs/more-buffered-io'

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Use more buffered I/O where we used to call many small write(2)s.

* rs/more-buffered-io:
  upload-pack: use buffered I/O to talk to rev-list
  midx: use buffered I/O to talk to pack-objects
  connected: use buffered I/O to talk to rev-list
This commit is contained in:
Junio C Hamano
2020-08-24 14:54:31 -07:00
parent ff20794402 a698d67b08
commit d8488b9e86
3 changed files with 26 additions and 25 deletions
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8
midx.c
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@ -1402,6 +1402,7 @@ int midx_repack(struct repository *r, const char *object_dir, size_t batch_size,
uint32_t i;
unsigned char *include_pack;
struct child_process cmd = CHILD_PROCESS_INIT;
FILE *cmd_in;
struct strbuf base_name = STRBUF_INIT;
struct multi_pack_index *m = load_multi_pack_index(object_dir, 1);
@ -1454,6 +1455,8 @@ int midx_repack(struct repository *r, const char *object_dir, size_t batch_size,
goto cleanup;
}
cmd_in = xfdopen(cmd.in, "w");
for (i = 0; i < m->num_objects; i++) {
struct object_id oid;
uint32_t pack_int_id = nth_midxed_pack_int_id(m, i);
@ -1462,10 +1465,9 @@ int midx_repack(struct repository *r, const char *object_dir, size_t batch_size,
continue;
nth_midxed_object_oid(&oid, m, i);
xwrite(cmd.in, oid_to_hex(&oid), the_hash_algo->hexsz);
xwrite(cmd.in, "\n", 1);
fprintf(cmd_in, "%s\n", oid_to_hex(&oid));
}
close(cmd.in);
fclose(cmd_in);
if (finish_command(&cmd)) {
error(_("could not finish pack-objects"));