'\" t
.\"     Title: filemap_fdatawait_range
.\"    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: Memory Management in Linux
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "FILEMAP_FDATAWAIT_RA" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Memory Management in Linux"
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.SH "NAME"
filemap_fdatawait_range \- wait for writeback to complete
.SH "SYNOPSIS"
.HP \w'int\ filemap_fdatawait_range('u
.BI "int filemap_fdatawait_range(struct\ address_space\ *\ " "mapping" ", loff_t\ " "start_byte" ", loff_t\ " "end_byte" ");"
.SH "ARGUMENTS"
.PP
\fImapping\fR
.RS 4
address space structure to wait for
.RE
.PP
\fIstart_byte\fR
.RS 4
offset in bytes where the range starts
.RE
.PP
\fIend_byte\fR
.RS 4
offset in bytes where the range ends (inclusive)
.RE
.SH "DESCRIPTION"
.PP
Walk the list of under\-writeback pages of the given address space in the given range and wait for all of them\&. Check error status of the address space and return it\&.
.PP
Since the error status of the address space is cleared by this function, callers are responsible for checking the return value and handling and/or reporting the error\&.
.SH "COPYRIGHT"
.br