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Diffstat (limited to 'packfile.c')
-rw-r--r--packfile.c85
1 files changed, 31 insertions, 54 deletions
diff --git a/packfile.c b/packfile.c
index fc43a6c52c..7e7c04e4d8 100644
--- a/packfile.c
+++ b/packfile.c
@@ -6,7 +6,6 @@
#include "mergesort.h"
#include "packfile.h"
#include "delta.h"
-#include "list.h"
#include "streaming.h"
#include "sha1-lookup.h"
#include "commit.h"
@@ -17,14 +16,15 @@
#include "object-store.h"
#include "midx.h"
#include "commit-graph.h"
+#include "promisor-remote.h"
char *odb_pack_name(struct strbuf *buf,
- const unsigned char *sha1,
+ const unsigned char *hash,
const char *ext)
{
strbuf_reset(buf);
strbuf_addf(buf, "%s/pack/pack-%s.%s", get_object_directory(),
- sha1_to_hex(sha1), ext);
+ hash_to_hex(hash), ext);
return buf->buf;
}
@@ -287,13 +287,6 @@ static int unuse_one_window(struct packed_git *current)
return 0;
}
-void release_pack_memory(size_t need)
-{
- size_t cur = pack_mapped;
- while (need >= (cur - pack_mapped) && unuse_one_window(NULL))
- ; /* nothing */
-}
-
void close_pack_windows(struct packed_git *p)
{
while (p->windows) {
@@ -517,7 +510,6 @@ static int open_packed_git_1(struct packed_git *p)
struct pack_header hdr;
unsigned char hash[GIT_MAX_RAWSZ];
unsigned char *idx_hash;
- long fd_flag;
ssize_t read_result;
const unsigned hashsz = the_hash_algo->rawsz;
@@ -561,16 +553,6 @@ static int open_packed_git_1(struct packed_git *p)
} else if (p->pack_size != st.st_size)
return error("packfile %s size changed", p->pack_name);
- /* We leave these file descriptors open with sliding mmap;
- * there is no point keeping them open across exec(), though.
- */
- fd_flag = fcntl(p->pack_fd, F_GETFD, 0);
- if (fd_flag < 0)
- return error("cannot determine file descriptor flags");
- fd_flag |= FD_CLOEXEC;
- if (fcntl(p->pack_fd, F_SETFD, fd_flag) == -1)
- return error("cannot set FD_CLOEXEC");
-
/* Verify we recognize this pack file format. */
read_result = read_in_full(p->pack_fd, &hdr, sizeof(hdr));
if (read_result < 0)
@@ -594,9 +576,8 @@ static int open_packed_git_1(struct packed_git *p)
" while index indicates %"PRIu32" objects",
p->pack_name, ntohl(hdr.hdr_entries),
p->num_objects);
- if (lseek(p->pack_fd, p->pack_size - hashsz, SEEK_SET) == -1)
- return error("end of packfile %s is unavailable", p->pack_name);
- read_result = read_in_full(p->pack_fd, hash, hashsz);
+ read_result = pread_in_full(p->pack_fd, hash, hashsz,
+ p->pack_size - hashsz);
if (read_result < 0)
return error_errno("error reading from %s", p->pack_name);
if (read_result != hashsz)
@@ -710,23 +691,12 @@ void unuse_pack(struct pack_window **w_cursor)
}
}
-static void try_to_free_pack_memory(size_t size)
-{
- release_pack_memory(size);
-}
-
struct packed_git *add_packed_git(const char *path, size_t path_len, int local)
{
- static int have_set_try_to_free_routine;
struct stat st;
size_t alloc;
struct packed_git *p;
- if (!have_set_try_to_free_routine) {
- have_set_try_to_free_routine = 1;
- set_try_to_free_routine(try_to_free_pack_memory);
- }
-
/*
* Make sure a corresponding .pack file exists and that
* the index looks sane.
@@ -775,6 +745,9 @@ void install_packed_git(struct repository *r, struct packed_git *pack)
pack->next = r->objects->packed_git;
r->objects->packed_git = pack;
+
+ hashmap_entry_init(&pack->packmap_ent, strhash(pack->pack_name));
+ hashmap_add(&r->objects->pack_map, &pack->packmap_ent);
}
void (*report_garbage)(unsigned seen_bits, const char *path);
@@ -874,20 +847,18 @@ static void prepare_pack(const char *full_name, size_t full_name_len,
if (strip_suffix_mem(full_name, &base_len, ".idx") &&
!(data->m && midx_contains_pack(data->m, file_name))) {
- /* Don't reopen a pack we already have. */
- for (p = data->r->objects->packed_git; p; p = p->next) {
- size_t len;
- if (strip_suffix(p->pack_name, ".pack", &len) &&
- len == base_len &&
- !memcmp(p->pack_name, full_name, len))
- break;
- }
+ struct hashmap_entry hent;
+ char *pack_name = xstrfmt("%.*s.pack", (int)base_len, full_name);
+ unsigned int hash = strhash(pack_name);
+ hashmap_entry_init(&hent, hash);
- if (!p) {
+ /* Don't reopen a pack we already have. */
+ if (!hashmap_get(&data->r->objects->pack_map, &hent, pack_name)) {
p = add_packed_git(full_name, full_name_len, data->local);
if (p)
install_packed_git(data->r, p);
}
+ free(pack_name);
}
if (!report_garbage)
@@ -1361,7 +1332,7 @@ struct delta_base_cache_key {
};
struct delta_base_cache_entry {
- struct hashmap hash;
+ struct hashmap_entry ent;
struct delta_base_cache_key key;
struct list_head lru;
void *data;
@@ -1381,7 +1352,7 @@ static unsigned int pack_entry_hash(struct packed_git *p, off_t base_offset)
static struct delta_base_cache_entry *
get_delta_base_cache_entry(struct packed_git *p, off_t base_offset)
{
- struct hashmap_entry entry;
+ struct hashmap_entry entry, *e;
struct delta_base_cache_key key;
if (!delta_base_cache.cmpfn)
@@ -1390,7 +1361,8 @@ get_delta_base_cache_entry(struct packed_git *p, off_t base_offset)
hashmap_entry_init(&entry, pack_entry_hash(p, base_offset));
key.p = p;
key.base_offset = base_offset;
- return hashmap_get(&delta_base_cache, &entry, &key);
+ e = hashmap_get(&delta_base_cache, &entry, &key);
+ return e ? container_of(e, struct delta_base_cache_entry, ent) : NULL;
}
static int delta_base_cache_key_eq(const struct delta_base_cache_key *a,
@@ -1400,11 +1372,16 @@ static int delta_base_cache_key_eq(const struct delta_base_cache_key *a,
}
static int delta_base_cache_hash_cmp(const void *unused_cmp_data,
- const void *va, const void *vb,
+ const struct hashmap_entry *va,
+ const struct hashmap_entry *vb,
const void *vkey)
{
- const struct delta_base_cache_entry *a = va, *b = vb;
+ const struct delta_base_cache_entry *a, *b;
const struct delta_base_cache_key *key = vkey;
+
+ a = container_of(va, const struct delta_base_cache_entry, ent);
+ b = container_of(vb, const struct delta_base_cache_entry, ent);
+
if (key)
return !delta_base_cache_key_eq(&a->key, key);
else
@@ -1423,7 +1400,7 @@ static int in_delta_base_cache(struct packed_git *p, off_t base_offset)
*/
static void detach_delta_base_cache_entry(struct delta_base_cache_entry *ent)
{
- hashmap_remove(&delta_base_cache, ent, &ent->key);
+ hashmap_remove(&delta_base_cache, &ent->ent, &ent->key);
list_del(&ent->lru);
delta_base_cached -= ent->size;
free(ent);
@@ -1487,8 +1464,8 @@ static void add_delta_base_cache(struct packed_git *p, off_t base_offset,
if (!delta_base_cache.cmpfn)
hashmap_init(&delta_base_cache, delta_base_cache_hash_cmp, NULL, 0);
- hashmap_entry_init(ent, pack_entry_hash(p, base_offset));
- hashmap_add(&delta_base_cache, ent);
+ hashmap_entry_init(&ent->ent, pack_entry_hash(p, base_offset));
+ hashmap_add(&delta_base_cache, &ent->ent);
}
int packed_object_info(struct repository *r, struct packed_git *p,
@@ -2139,7 +2116,7 @@ static int add_promisor_object(const struct object_id *oid,
oidset_insert(set, &parents->item->object.oid);
} else if (obj->type == OBJ_TAG) {
struct tag *tag = (struct tag *) obj;
- oidset_insert(set, &tag->tagged->oid);
+ oidset_insert(set, get_tagged_oid(tag));
}
return 0;
}
@@ -2150,7 +2127,7 @@ int is_promisor_object(const struct object_id *oid)
static int promisor_objects_prepared;
if (!promisor_objects_prepared) {
- if (repository_format_partial_clone) {
+ if (has_promisor_remote()) {
for_each_packed_object(add_promisor_object,
&promisor_objects,
FOR_EACH_OBJECT_PROMISOR_ONLY);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-16 16:19:23 +0000