diff options
| -rw-r--r-- | block/backup.c | 2 | ||||
| -rw-r--r-- | block/dirty-bitmap.c | 2 | ||||
| -rw-r--r-- | include/qemu/hbitmap.h | 5 | ||||
| -rw-r--r-- | tests/test-hbitmap.c | 26 | ||||
| -rw-r--r-- | util/hbitmap.c | 12 |
5 files changed, 20 insertions, 27 deletions
diff --git a/block/backup.c b/block/backup.c index 9ffce5c..435414e 100644 --- a/block/backup.c +++ b/block/backup.c @@ -385,7 +385,7 @@ static int coroutine_fn backup_run_incremental(BackupBlockJob *job) HBitmapIter hbi; hbitmap_iter_init(&hbi, job->copy_bitmap, 0); - while ((cluster = hbitmap_iter_next(&hbi, true)) != -1) { + while ((cluster = hbitmap_iter_next(&hbi)) != -1) { do { if (yield_and_check(job)) { return 0; diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c index 4d9a8af..00ea36f 100644 --- a/block/dirty-bitmap.c +++ b/block/dirty-bitmap.c @@ -515,7 +515,7 @@ void bdrv_dirty_iter_free(BdrvDirtyBitmapIter *iter) int64_t bdrv_dirty_iter_next(BdrvDirtyBitmapIter *iter) { - return hbitmap_iter_next(&iter->hbi, true); + return hbitmap_iter_next(&iter->hbi); } /* Called within bdrv_dirty_bitmap_lock..unlock */ diff --git a/include/qemu/hbitmap.h b/include/qemu/hbitmap.h index 097dce3..4afbe62 100644 --- a/include/qemu/hbitmap.h +++ b/include/qemu/hbitmap.h @@ -351,14 +351,11 @@ void hbitmap_free_meta(HBitmap *hb); /** * hbitmap_iter_next: * @hbi: HBitmapIter to operate on. - * @advance: If true, advance the iterator. Otherwise, the next call - * of this function will return the same result (if that - * position is still dirty). * * Return the next bit that is set in @hbi's associated HBitmap, * or -1 if all remaining bits are zero. */ -int64_t hbitmap_iter_next(HBitmapIter *hbi, bool advance); +int64_t hbitmap_iter_next(HBitmapIter *hbi); /** * hbitmap_iter_next_word: diff --git a/tests/test-hbitmap.c b/tests/test-hbitmap.c index 6358f35..592d821 100644 --- a/tests/test-hbitmap.c +++ b/tests/test-hbitmap.c @@ -46,7 +46,7 @@ static void hbitmap_test_check(TestHBitmapData *data, i = first; for (;;) { - next = hbitmap_iter_next(&hbi, true); + next = hbitmap_iter_next(&hbi); if (next < 0) { next = data->size; } @@ -435,25 +435,25 @@ static void test_hbitmap_iter_granularity(TestHBitmapData *data, /* Note that hbitmap_test_check has to be invoked manually in this test. */ hbitmap_test_init(data, 131072 << 7, 7); hbitmap_iter_init(&hbi, data->hb, 0); - g_assert_cmpint(hbitmap_iter_next(&hbi, true), <, 0); + g_assert_cmpint(hbitmap_iter_next(&hbi), <, 0); hbitmap_test_set(data, ((L2 + L1 + 1) << 7) + 8, 8); hbitmap_iter_init(&hbi, data->hb, 0); - g_assert_cmpint(hbitmap_iter_next(&hbi, true), ==, (L2 + L1 + 1) << 7); - g_assert_cmpint(hbitmap_iter_next(&hbi, true), <, 0); + g_assert_cmpint(hbitmap_iter_next(&hbi), ==, (L2 + L1 + 1) << 7); + g_assert_cmpint(hbitmap_iter_next(&hbi), <, 0); hbitmap_iter_init(&hbi, data->hb, (L2 + L1 + 2) << 7); - g_assert_cmpint(hbitmap_iter_next(&hbi, true), <, 0); + g_assert_cmpint(hbitmap_iter_next(&hbi), <, 0); hbitmap_test_set(data, (131072 << 7) - 8, 8); hbitmap_iter_init(&hbi, data->hb, 0); - g_assert_cmpint(hbitmap_iter_next(&hbi, true), ==, (L2 + L1 + 1) << 7); - g_assert_cmpint(hbitmap_iter_next(&hbi, true), ==, 131071 << 7); - g_assert_cmpint(hbitmap_iter_next(&hbi, true), <, 0); + g_assert_cmpint(hbitmap_iter_next(&hbi), ==, (L2 + L1 + 1) << 7); + g_assert_cmpint(hbitmap_iter_next(&hbi), ==, 131071 << 7); + g_assert_cmpint(hbitmap_iter_next(&hbi), <, 0); hbitmap_iter_init(&hbi, data->hb, (L2 + L1 + 2) << 7); - g_assert_cmpint(hbitmap_iter_next(&hbi, true), ==, 131071 << 7); - g_assert_cmpint(hbitmap_iter_next(&hbi, true), <, 0); + g_assert_cmpint(hbitmap_iter_next(&hbi), ==, 131071 << 7); + g_assert_cmpint(hbitmap_iter_next(&hbi), <, 0); } static void hbitmap_test_set_boundary_bits(TestHBitmapData *data, ssize_t diff) @@ -893,7 +893,7 @@ static void test_hbitmap_serialize_zeroes(TestHBitmapData *data, for (i = 0; i < num_positions; i++) { hbitmap_deserialize_zeroes(data->hb, positions[i], min_l1, true); hbitmap_iter_init(&iter, data->hb, 0); - next = hbitmap_iter_next(&iter, true); + next = hbitmap_iter_next(&iter); if (i == num_positions - 1) { g_assert_cmpint(next, ==, -1); } else { @@ -919,10 +919,10 @@ static void test_hbitmap_iter_and_reset(TestHBitmapData *data, hbitmap_iter_init(&hbi, data->hb, BITS_PER_LONG - 1); - hbitmap_iter_next(&hbi, true); + hbitmap_iter_next(&hbi); hbitmap_reset_all(data->hb); - hbitmap_iter_next(&hbi, true); + hbitmap_iter_next(&hbi); } static void test_hbitmap_next_zero_check_range(TestHBitmapData *data, diff --git a/util/hbitmap.c b/util/hbitmap.c index fa35652..7905212 100644 --- a/util/hbitmap.c +++ b/util/hbitmap.c @@ -144,7 +144,7 @@ unsigned long hbitmap_iter_skip_words(HBitmapIter *hbi) return cur; } -int64_t hbitmap_iter_next(HBitmapIter *hbi, bool advance) +int64_t hbitmap_iter_next(HBitmapIter *hbi) { unsigned long cur = hbi->cur[HBITMAP_LEVELS - 1] & hbi->hb->levels[HBITMAP_LEVELS - 1][hbi->pos]; @@ -157,12 +157,8 @@ int64_t hbitmap_iter_next(HBitmapIter *hbi, bool advance) } } - if (advance) { - /* The next call will resume work from the next bit. */ - hbi->cur[HBITMAP_LEVELS - 1] = cur & (cur - 1); - } else { - hbi->cur[HBITMAP_LEVELS - 1] = cur; - } + /* The next call will resume work from the next bit. */ + hbi->cur[HBITMAP_LEVELS - 1] = cur & (cur - 1); item = ((uint64_t)hbi->pos << BITS_PER_LEVEL) + ctzl(cur); return item << hbi->granularity; @@ -261,7 +257,7 @@ bool hbitmap_next_dirty_area(const HBitmap *hb, uint64_t *start, end = *count > hb->orig_size - *start ? hb->orig_size : *start + *count; hbitmap_iter_init(&hbi, hb, *start); - firt_dirty_off = hbitmap_iter_next(&hbi, false); + firt_dirty_off = hbitmap_iter_next(&hbi); if (firt_dirty_off < 0 || firt_dirty_off >= end) { return false; |