1. NAME▲
__bread - reads a specified block and returns the bh
2. SYNOPSIS ▲
struct buffer_head * __bread(struct block_device * bdev , sector_t block , unsigned size );
3. ARGUMENTS ▲
bdev
the block_device to read from
block
number of block
size
size (in bytes) to read
4. DESCRIPTION ▲
Reads a specified block, and returns buffer head that contains it. It returns NULL if the block was unreadable.
5. COPYRIGHT ▲