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.