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index-pack: make resolve_delta() assume base data

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A subsequent commit will make the quantum of work smaller, necessitating
more locking. This commit allows resolve_delta() to be called outside
the lock.

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Tan 2020-08-24 12:16:37 -07:00 committed by Junio C Hamano
parent b4718cae51
commit ee6f058384
1 changed files with 5 additions and 3 deletions
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8
builtin/index-pack.c
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@ -927,7 +927,7 @@ static struct base_data *make_base(struct object_entry *obj,
static struct base_data *resolve_delta(struct object_entry *delta_obj,
struct base_data *base)
{
void *base_data, *delta_data, *result_data;
void *delta_data, *result_data;
struct base_data *result;
unsigned long result_size;
@ -942,8 +942,8 @@ static struct base_data *resolve_delta(struct object_entry *delta_obj,
obj_stat[i].base_object_no = j;
}
delta_data = get_data_from_pack(delta_obj);
base_data = get_base_data(base);
result_data = patch_delta(base_data, base->size,
assert(base->data);
result_data = patch_delta(base->data, base->size,
delta_data, delta_obj->size, &result_size);
free(delta_data);
if (!result_data)
@ -1003,6 +1003,7 @@ static struct base_data *find_unresolved_deltas_1(struct base_data *base,
(uintmax_t)child->idx.offset,
oid_to_hex(&base->obj->idx.oid));
get_base_data(base);
result = resolve_delta(child, base);
if (base->ref_first == base->ref_last && base->ofs_last == -1)
free_base_data(base);
@ -1017,6 +1018,7 @@ static struct base_data *find_unresolved_deltas_1(struct base_data *base,
assert(child->real_type == OBJ_OFS_DELTA);
child->real_type = base->obj->real_type;
get_base_data(base);
result = resolve_delta(child, base);
if (base->ofs_first == base->ofs_last)
free_base_data(base);