__bread(9) reads a specified block and returns the bh

SYNOPSIS

struct buffer_head * __bread(struct block_device * bdev, sector_t block, unsigned size);

ARGUMENTS

bdev

the block_device to read from

block

number of block

size

size (in bytes) to read

DESCRIPTION

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

COPYRIGHT