[PATCH v2 06/11] t-reftable-block: use block_iter_reset() instead of block_iter_close()

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block_iter_reset() restores a block iterator to its state at the time
of initialization without freeing any memory while block_iter_close()
deallocates the memory for the iterator.

In the current testing setup, a block iterator is allocated and
deallocated for every iteration of a loop, which hurts performance.
Improve upon this by using block_iter_reset() at the start of each
iteration instead. This has the added benifit of testing
block_iter_reset(), which currently remains untested.

Similarly, remove reftable_record_release() for a reftable record
that is still in use.

Mentored-by: Patrick Steinhardt <ps@xxxxxx>
Mentored-by: Christian Couder <chriscool@xxxxxxxxxxxxx>
Signed-off-by: Chandra Pratap <chandrapratap3519@xxxxxxxxx>
---
 t/unit-tests/t-reftable-block.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/t/unit-tests/t-reftable-block.c b/t/unit-tests/t-reftable-block.c
index 5887e9205d..ad3d128ea7 100644
--- a/t/unit-tests/t-reftable-block.c
+++ b/t/unit-tests/t-reftable-block.c
@@ -78,11 +78,8 @@ static void t_block_read_write(void)
 		j++;
 	}
 
-	reftable_record_release(&rec);
-	block_iter_close(&it);
-
 	for (i = 0; i < N; i++) {
-		struct block_iter it = BLOCK_ITER_INIT;
+		block_iter_reset(&it);
 		reftable_record_key(&recs[i], &want);
 
 		ret = block_iter_seek_key(&it, &br, &want);
@@ -100,11 +97,10 @@ static void t_block_read_write(void)
 		ret = block_iter_next(&it, &rec);
 		check_int(ret, ==, 0);
 		check(reftable_record_equal(&recs[10 * (i / 10)], &rec, GIT_SHA1_RAWSZ));
-
-		block_iter_close(&it);
 	}
 
 	block_reader_release(&br);
+	block_iter_close(&it);
 	reftable_record_release(&rec);
 	reftable_block_done(&br.block);
 	strbuf_release(&want);
-- 
2.45.GIT





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