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parallels: create parallels_set_bat_entry_helper() to assign BAT value 

This helper will be reused in next patches during parallels_co_check
rework to simplify its code.

Signed-off-by: Alexander Ivanov <alexander.ivanov@virtuozzo.com>
Reviewed-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-Id: <20230424093147.197643-5-alexander.ivanov@virtuozzo.com>
Reviewed-by: Hanna Czenczek <hreitz@redhat.com>
Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
This commit is contained in:
Alexander Ivanov 2023-04-24 11:31:39 +02:00 committed by Hanna Czenczek
parent 679749ce41
commit b64b29b96b
1 changed files with 8 additions and 3 deletions
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11
block/parallels.c
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@ -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)
{
s->bat_bitmap[index] = cpu_to_le32(offset);
bitmap_set(s->bat_dirty_bmap, bat_entry_off(index) / s->bat_dirty_block, 1);
}
static int64_t coroutine_fn GRAPH_RDLOCK
allocate_clusters(BlockDriverState *bs, int64_t sector_num,
int nb_sectors, int *pnum)
@ -251,10 +258,8 @@ 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, 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;