'\" t
.\"     Title: blk_queue_bypass_start
.\"    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_QUEUE_BYPASS_STA" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Block Devices"
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.SH "NAME"
blk_queue_bypass_start \- enter queue bypass mode
.SH "SYNOPSIS"
.HP \w'void\ blk_queue_bypass_start('u
.BI "void blk_queue_bypass_start(struct\ request_queue\ *\ " "q" ");"
.SH "ARGUMENTS"
.PP
\fIq\fR
.RS 4
queue of interest
.RE
.SH "DESCRIPTION"
.PP
In bypass mode, only the dispatch FIFO queue of
\fIq\fR
is used\&. This function makes
\fIq\fR
enter bypass mode and drains all requests which were throttled or issued before\&. On return, it\*(Aqs guaranteed that no request is being throttled or has ELVPRIV set and
\fBblk_queue_bypass\fR
\fBtrue\fR
inside queue or RCU read lock\&.
.SH "COPYRIGHT"
.br