Exemple #1
0
/*
 * Transfer a single BIO.
 */
static int sbull_xfer_bio(struct sbull_dev *dev, struct bio *bio)
{
	int i;
	struct bio_vec *bvec;
	sector_t sector = bio->bi_sector;

	/* Do each segment independently. */
	bio_for_each_segment(bvec, bio, i) {
		char *buffer = __bio_kmap_atomic(bio, i, KM_USER0);
		sbull_transfer(dev, sector, bio_cur_bytes(bio),
				buffer, bio_data_dir(bio) == WRITE);
		sector += bio_cur_bytes(bio) / KERNEL_SECTOR_SIZE;
		__bio_kunmap_atomic(bio, KM_USER0);
	}
Exemple #2
0
/*
 * Transfer a single BIO.
 */
static int sbull_xfer_bio(struct sbull_dev *dev, struct bio *bio)
{
	int i;
	struct bio_vec *bvec;
	sector_t sector = bio->bi_sector;

	/* Do each segment independently. */
	bio_for_each_segment(bvec, bio, i) {
		char *buffer = __bio_kmap_atomic(bio, i);
		sbull_transfer(dev, sector,bytes_to_sectors_checked(bio_cur_bytes(bio)),
				buffer, bio_data_dir(bio) == WRITE);
		sector += (bytes_to_sectors_checked(bio_cur_bytes(bio)));
		__bio_kunmap_atomic(bio);
	}