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.TH "__BREAD" 9 "August 2005" "Kernel Hackers Manual" "LINUX"
.SH NAME
__bread \- reads a specified block and returns the bh
.SH "SYNOPSIS"
.ad l
.hy 0
.HP 34
struct\ buffer_head\ *\ \fB__bread\ \fR\ (struct\ block_device\ *\ \fIbdev\fR, sector_t\ \fIblock\fR, int\ \fIsize\fR);
.ad
.hy

.SH "ARGUMENTS"

.TP
\fIbdev\fR
the block_device to read from

.TP
\fIblock\fR
number of block

.TP
\fIsize\fR
size (in bytes) to read

.SH "DESCRIPTION"

.PP
Reads a specified block, and returns buffer head that contains it\&. It returns NULL if the block was unreadable\&.