'\" t
.\"     Title: blk_limits_io_min
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Block Devices
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "BLK_LIMITS_IO_MIN" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Block Devices"
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.SH "NAME"
blk_limits_io_min \- set minimum request size for a device
.SH "SYNOPSIS"
.HP \w'void\ blk_limits_io_min('u
.BI "void blk_limits_io_min(struct\ queue_limits\ *\ " "limits" ", unsigned\ int\ " "min" ");"
.SH "ARGUMENTS"
.PP
\fIlimits\fR
.RS 4
the queue limits
.RE
.PP
\fImin\fR
.RS 4
smallest I/O size in bytes
.RE
.SH "DESCRIPTION"
.PP
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\&.
.SH "COPYRIGHT"
.br