On 8/15/22 12:02, Alexander Ivanov wrote:
This helper will be reused in next patches during parallels_co_check
rework to simplify its code.
Signed-off-by: Alexander Ivanov <alexander.iva...@virtuozzo.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsement...@yandex-team.ru>
---
v2: A new patch - a part of a splitted patch.
v3: Fix commit message.
block/parallels.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/block/parallels.c b/block/parallels.c
index a76cf9d993..7f68f3cbc9 100644
--- a/block/parallels.c
+++ b/block/parallels.c
@@ -165,6 +165,13 @@ static int64_t block_status(BDRVParallelsState *s, int64_t
sector_num,
return start_off;
}
+static void parallels_set_bat_entry(BDRVParallelsState *s,
+ uint32_t index, uint32_t offset)
Rather unobvious that offset should be passed already converted to LE. Worth a
comment? Or may be do convertion inside function (depends on further usages of
the helper)
+{
+ s->bat_bitmap[index] = offset;
+ bitmap_set(s->bat_dirty_bmap, bat_entry_off(index) / s->bat_dirty_block,
1);
+}
+
static int64_t allocate_clusters(BlockDriverState *bs, int64_t sector_num,
int nb_sectors, int *pnum)
{
@@ -250,10 +257,9 @@ static int64_t allocate_clusters(BlockDriverState *bs,
int64_t sector_num,
}
for (i = 0; i < to_allocate; i++) {
- s->bat_bitmap[idx + i] = cpu_to_le32(s->data_end / s->off_multiplier);
+ parallels_set_bat_entry(s, idx + i,
+ cpu_to_le32(s->data_end / s->off_multiplier));
s->data_end += s->tracks;
- bitmap_set(s->bat_dirty_bmap,
- bat_entry_off(idx + i) / s->bat_dirty_block, 1);
}
return bat2sect(s, idx) + sector_num % s->tracks;
--
Best regards,
Vladimir