bdev_stack_limits (9) Linux Manual Page
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.