diff options
Diffstat (limited to 'drivers/block/brd.c')
| -rw-r--r-- | drivers/block/brd.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/block/brd.c b/drivers/block/brd.c index 66cb0f857f64..bb976598ee43 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -331,15 +331,15 @@ static const struct block_device_operations brd_fops = { * And now the modules code and kernel interface. */ static int rd_nr = CONFIG_BLK_DEV_RAM_COUNT; -module_param(rd_nr, int, S_IRUGO); +module_param(rd_nr, int, 0444); MODULE_PARM_DESC(rd_nr, "Maximum number of brd devices"); unsigned long rd_size = CONFIG_BLK_DEV_RAM_SIZE; -module_param(rd_size, ulong, S_IRUGO); +module_param(rd_size, ulong, 0444); MODULE_PARM_DESC(rd_size, "Size of each RAM disk in kbytes."); static int max_part = 1; -module_param(max_part, int, S_IRUGO); +module_param(max_part, int, 0444); MODULE_PARM_DESC(max_part, "Num Minors to reserve between devices"); MODULE_LICENSE("GPL"); @@ -402,6 +402,10 @@ static struct brd_device *brd_alloc(int i) set_capacity(disk, rd_size * 2); disk->queue->backing_dev_info->capabilities |= BDI_CAP_SYNCHRONOUS_IO; + /* Tell the block layer that this is not a rotational device */ + blk_queue_flag_set(QUEUE_FLAG_NONROT, disk->queue); + blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, disk->queue); + return brd; out_free_queue: |