Name
bdev_stack_limits —
adjust queue limits for stacked drivers
Synopsis
int bdev_stack_limits ( | struct queue_limits * t, |
| | struct block_device * bdev, |
| | sector_t start); |
Arguments
struct queue_limits * t
the stacking driver limits (top device)
struct block_device * bdev
the component block_device (bottom)
sector_t start
first data sector within component device
Description
Merges queue limits for a top device and a block_device. Returns
0 if alignment didn't change. Returns -1 if adding the bottom
device caused misalignment.