'\" t
.\"     Title: bmap
.\"    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 "BMAP" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "The Linux VFS"
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.SH "NAME"
bmap \- find a block number in a file
.SH "SYNOPSIS"
.HP \w'sector_t\ bmap('u
.BI "sector_t bmap(struct\ inode\ *\ " "inode" ", sector_t\ " "block" ");"
.SH "ARGUMENTS"
.PP
\fIinode\fR
.RS 4
inode of file
.RE
.PP
\fIblock\fR
.RS 4
block to find
.RE
.SH "DESCRIPTION"
.PP
Returns the block number on the device holding the inode that is the disk block number for the block of the file requested\&. That is, asked for block 4 of inode 1 the function will return the disk block relative to the disk start that holds that block of the file\&.
.SH "COPYRIGHT"
.br