set_capacity() sets device's capacity using 512 bytes sectors. null_blk calculates the number of sectors by size / bs, which set_capacity is called with. This led to null_blk exposing the wrong number of sectors when bs is not 512 bytes. Signed-off-by: Matias Bjørling <m@xxxxxxxxxxx> --- drivers/block/null_blk.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index 6f9b753..bf8f764 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -588,8 +588,7 @@ static int null_add_dev(void) blk_queue_physical_block_size(nullb->q, bs); size = gb * 1024 * 1024 * 1024ULL; - sector_div(size, bs); - set_capacity(disk, size); + set_capacity(disk, size >> 9); disk->flags |= GENHD_FL_EXT_DEVT | GENHD_FL_SUPPRESS_PARTITION_INFO; disk->major = null_major; -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
