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[PATCH v2 4/9] pack-bitmap: don't rely on bitmap_git->reuse_objects

From
Christian Couder <christian.couder@gmail.com>
Date
Oct 19, 2019, 10:35 UTC
Message-ID
<20191019103531.23274-5-chriscool@tuxfamily.org>
In-Reply-To
<20191019103531.23274-1-chriscool@tuxfamily.org>
From: Jeff King <peff@peff.net>

We will no longer compute bitmap_git->reuse_objects in a following commit, so we cannot rely on it anymore to terminate the loop early; we have to iterate to the end.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
---
 pack-bitmap.c | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)
diff --git a/pack-bitmap.c b/pack-bitmap.c
index e07c798879..016d0319fc 100644
--- a/pack-bitmap.c
+++ b/pack-bitmap.c
@@ -622,7 +622,7 @@ static void show_objects_for_type(
 	enum object_type object_type,
 	show_reachable_fn show_reach)
 {
-	size_t pos = 0, i = 0;
+	size_t i = 0;
 	uint32_t offset;
 
 	struct ewah_iterator it;
@@ -630,13 +630,15 @@ static void show_objects_for_type(
 
 	struct bitmap *objects = bitmap_git->result;
 
-	if (bitmap_git->reuse_objects == bitmap_git->pack->num_objects)
-		return;
-
 	ewah_iterator_init(&it, type_filter);
 
-	while (i < objects->word_alloc && ewah_iterator_next(&filter, &it)) {
+	for (i = 0; i < objects->word_alloc &&
+			ewah_iterator_next(&filter, &it); i++) {
 		eword_t word = objects->words[i] & filter;
+		size_t pos = (i * BITS_IN_EWORD);
+
+		if (!word)
+			continue;
 
 		for (offset = 0; offset < BITS_IN_EWORD; ++offset) {
 			struct object_id oid;
@@ -648,9 +650,6 @@ static void show_objects_for_type(
 
 			offset += ewah_bit_ctz64(word >> offset);
 
-			if (pos + offset < bitmap_git->reuse_objects)
-				continue;
-
 			entry = &bitmap_git->pack->revindex[pos + offset];
 			nth_packed_object_oid(&oid, bitmap_git->pack, entry->nr);
 
@@ -659,9 +658,6 @@ static void show_objects_for_type(
 
 			show_reach(&oid, object_type, 0, hash, bitmap_git->pack, entry->offset);
 		}
-
-		pos += BITS_IN_EWORD;
-		i++;
 	}
 }
 
-- 
2.24.0.rc0.9.gef620577e2
Previous: Christian CouderNext: Christian Couder
Message 7 of 22 in “Rewrite packfile reuse code”
  1. 0/9 Rewrite packfile reuse codeChristian Couder, Oct 19, 2019
  2. 1/9 builtin/pack-objects: report reused packfile objectsChristian Couder, Oct 19, 2019
  3. 2/9 packfile: expose get_delta_base()Christian Couder, Oct 19, 2019
  4. 3/9 ewah/bitmap: introduce bitmap_word_alloc()Christian Couder, Oct 19, 2019
  5. Jonathan TanOct 22, 2019
  6. Christian CouderOct 26, 2019
  7. 4/9 pack-bitmap: don't rely on bitmap_git->reuse_objectsChristian Couder, Oct 19, 2019
  8. 5/9 pack-bitmap: introduce bitmap_walk_contains()Christian Couder, Oct 19, 2019
  9. Philip OakleyOct 19, 2019
  10. Christian CouderOct 19, 2019
  11. Philip OakleyOct 19, 2019
  12. Jeff KingOct 19, 2019
  13. 6/9 csum-file: introduce hashfile_total()Christian Couder, Oct 19, 2019
  14. 7/9 pack-objects: introduce pack.allowPackReuseChristian Couder, Oct 19, 2019
  15. 8/9 builtin/pack-objects: introduce obj_is_packed()Christian Couder, Oct 19, 2019
  16. 9/9 pack-objects: improve partial packfile reuseChristian Couder, Oct 19, 2019
  17. Philip OakleyOct 19, 2019
  18. Christian CouderOct 19, 2019
  19. Jeff KingOct 19, 2019
  20. Philip OakleyOct 20, 2019
  21. Jonathan TanOct 22, 2019
  22. Christian CouderOct 26, 2019

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