blk_limits_io_min (9) Linux Manual Page
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.