Name
__bread —
reads a specified block and returns the bh
Synopsis
struct buffer_head * __bread (struct block_device * bdev, sector_t block, int 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.