BLK_LIMITS_IO_MIN

Section: Block Devices (9)
Updated: February 2011
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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.  

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