'\" t
.\"     Title: bio_chain
.\"    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: The Linux VFS
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "BIO_CHAIN" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "The Linux VFS"
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.SH "NAME"
bio_chain \- chain bio completions
.SH "SYNOPSIS"
.HP \w'void\ bio_chain('u
.BI "void bio_chain(struct\ bio\ *\ " "bio" ", struct\ bio\ *\ " "parent" ");"
.SH "ARGUMENTS"
.PP
\fIbio\fR
.RS 4
the target bio
.RE
.PP
\fIparent\fR
.RS 4
the
\fIbio\fR\*(Aqs parent bio
.RE
.SH "DESCRIPTION"
.PP
The caller won\*(Aqt have a bi_end_io called when
\fIbio\fR
completes \- instead,
\fIparent\fR\*(Aqs bi_end_io won\*(Aqt be called until both
\fIparent\fR
and
\fIbio\fR
have completed; the chained bio will also be freed when it completes\&.
.PP
The caller must not set bi_private or bi_end_io in
\fIbio\fR\&.
.SH "COPYRIGHT"
.br