bdev_stack_limits (9) - Linux Manuals
bdev_stack_limits: adjust queue limits for stacked drivers
NAME
bdev_stack_limits - adjust queue limits for stacked drivers
SYNOPSIS
-
int bdev_stack_limits(struct queue_limits
* t, struct block_device* bdev, sector_tstart);
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.
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