diff options
Diffstat (limited to 'block/iscsi.c')
| -rw-r--r-- | block/iscsi.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/block/iscsi.c b/block/iscsi.c index cf1e9e7f66..22330e1fe0 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -432,12 +432,14 @@ static unsigned long *iscsi_allocationmap_init(IscsiLun *iscsilun) static void iscsi_allocationmap_set(IscsiLun *iscsilun, int64_t sector_num, int nb_sectors) { + int64_t cluster_num, nb_clusters; if (iscsilun->allocationmap == NULL) { return; } - bitmap_set(iscsilun->allocationmap, - sector_num / iscsilun->cluster_sectors, - DIV_ROUND_UP(nb_sectors, iscsilun->cluster_sectors)); + cluster_num = sector_num / iscsilun->cluster_sectors; + nb_clusters = DIV_ROUND_UP(sector_num + nb_sectors, + iscsilun->cluster_sectors) - cluster_num; + bitmap_set(iscsilun->allocationmap, cluster_num, nb_clusters); } static void iscsi_allocationmap_clear(IscsiLun *iscsilun, int64_t sector_num, |