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
- t
- 
     the stacking driver limits (top device)
     
- bdev
- 
     the component block_device (bottom)
     
- 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.