Commit 444b8236 authored by Andrey Shinkevich's avatar Andrey Shinkevich Committed by Max Reitz
Browse files

qcow2: discard bitmap when removed 



Bitmap data may take a lot of disk space, so it's better to discard it
always.

Signed-off-by: default avatarAndrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Message-id: 1551346019-293202-1-git-send-email-andrey.shinkevich@virtuozzo.com
Reviewed-by: default avatarVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
[mreitz: Use the commit message proposed by Vladimir]
Signed-off-by: default avatarMax Reitz <mreitz@redhat.com>
parent 54b10010

block/qcow2-bitmap.c

+1 −1
Original line number Diff line number Diff line
@@ -202,7 +202,7 @@ static void clear_bitmap_table(BlockDriverState *bs, uint64_t *bitmap_table, 
            continue;

        }



        qcow2_free_clusters(bs, addr, s->cluster_size, QCOW2_DISCARD_OTHER);

        qcow2_free_clusters(bs, addr, s->cluster_size, QCOW2_DISCARD_ALWAYS);

        bitmap_table[i] = 0;

    }

}