blk_limits_io_min — set minimum request size for a device
Synopsis
voidblk_limits_io_min(
struct queue_limits *limits,
unsigned intmin);
Arguments
struct queue_limits * limits
the queue limits
unsigned int 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.