BLK_LIMITS_IO_MIN(9) Block Devices BLK_LIMITS_IO_MIN(9)
NAME blk_limits_io_min - set minimum request size for a device
SYNOPSIS void blk_limits_io_min(struct queue_limits * limits, unsigned int min);
ARGUMENTS limits the queue limits
min smallest I/O size in bytes
DESCRIPTION Some devices have an internal block size bigger than the reported hardware sector size. This function can be used to signal the smallest I/O the device can perform without incurring a performance penalty.
COPYRIGHT Kernel Hackers Manual 2.6. November 2013 BLK_LIMITS_IO_MIN(9)