diff options
| -rw-r--r-- | midx.c | 49 | ||||
| -rw-r--r-- | packfile.c | 2 | ||||
| -rw-r--r-- | packfile.h | 2 |
3 files changed, 49 insertions, 4 deletions
@@ -962,6 +962,20 @@ static void midx_report(const char *fmt, ...) va_end(ap); } +struct pair_pos_vs_id +{ + uint32_t pos; + uint32_t pack_int_id; +}; + +static int compare_pair_pos_vs_id(const void *_a, const void *_b) +{ + struct pair_pos_vs_id *a = (struct pair_pos_vs_id *)_a; + struct pair_pos_vs_id *b = (struct pair_pos_vs_id *)_b; + + return b->pack_int_id - a->pack_int_id; +} + /* * Limit calls to display_progress() for performance reasons. * The interval here was arbitrarily chosen. @@ -976,6 +990,7 @@ static void midx_report(const char *fmt, ...) int verify_midx_file(const char *object_dir) { + struct pair_pos_vs_id *pairs = NULL; uint32_t i; struct progress *progress; struct multi_pack_index *m = load_multi_pack_index(object_dir, 1); @@ -1019,16 +1034,42 @@ int verify_midx_file(const char *object_dir) } stop_progress(&progress); + /* + * Create an array mapping each object to its packfile id. Sort it + * to group the objects by packfile. Use this permutation to visit + * each of the objects and only require 1 packfile to be open at a + * time. + */ + ALLOC_ARRAY(pairs, m->num_objects); + for (i = 0; i < m->num_objects; i++) { + pairs[i].pos = i; + pairs[i].pack_int_id = nth_midxed_pack_int_id(m, i); + } + + progress = start_sparse_progress(_("Sorting objects by packfile"), + m->num_objects); + display_progress(progress, 0); /* TODO: Measure QSORT() progress */ + QSORT(pairs, m->num_objects, compare_pair_pos_vs_id); + stop_progress(&progress); + progress = start_sparse_progress(_("Verifying object offsets"), m->num_objects); for (i = 0; i < m->num_objects; i++) { struct object_id oid; struct pack_entry e; off_t m_offset, p_offset; - nth_midxed_object_oid(&oid, m, i); + if (i > 0 && pairs[i-1].pack_int_id != pairs[i].pack_int_id && + m->packs[pairs[i-1].pack_int_id]) + { + close_pack_fd(m->packs[pairs[i-1].pack_int_id]); + close_pack_index(m->packs[pairs[i-1].pack_int_id]); + } + + nth_midxed_object_oid(&oid, m, pairs[i].pos); + if (!fill_midx_entry(&oid, &e, m)) { midx_report(_("failed to load pack entry for oid[%d] = %s"), - i, oid_to_hex(&oid)); + pairs[i].pos, oid_to_hex(&oid)); continue; } @@ -1043,11 +1084,13 @@ int verify_midx_file(const char *object_dir) if (m_offset != p_offset) midx_report(_("incorrect object offset for oid[%d] = %s: %"PRIx64" != %"PRIx64), - i, oid_to_hex(&oid), m_offset, p_offset); + pairs[i].pos, oid_to_hex(&oid), m_offset, p_offset); midx_display_sparse_progress(progress, i + 1); } stop_progress(&progress); + free(pairs); + return verify_midx_error; } diff --git a/packfile.c b/packfile.c index 16bcb75262..d2bcb2f860 100644 --- a/packfile.c +++ b/packfile.c @@ -309,7 +309,7 @@ void close_pack_windows(struct packed_git *p) } } -static int close_pack_fd(struct packed_git *p) +int close_pack_fd(struct packed_git *p) { if (p->pack_fd < 0) return 0; diff --git a/packfile.h b/packfile.h index d70c6d9afb..b1c18504eb 100644 --- a/packfile.h +++ b/packfile.h @@ -76,6 +76,8 @@ extern int open_pack_index(struct packed_git *); */ extern void close_pack_index(struct packed_git *); +int close_pack_fd(struct packed_git *p); + extern uint32_t get_pack_fanout(struct packed_git *p, uint32_t value); extern unsigned char *use_pack(struct packed_git *, struct pack_window **, off_t, unsigned long *); |