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other versions
- jessie-backports 4.9.88-1+deb9u1~bpo8+1
- stretch 4.9.144-3
BDEV_STACK_LIMITS(9) | Block Devices | BDEV_STACK_LIMITS(9) |
NAME¶
bdev_stack_limits - adjust queue limits for stacked driversSYNOPSIS¶
int
bdev_stack_limits(struct queue_limits * t,
struct block_device * bdev,
sector_t start);
ARGUMENTS¶
tthe 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.COPYRIGHT¶
May 2018 | Kernel Hackers Manual 4.9. |