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dm: use bio_sectors in dm_aceept_partial_bio

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Rename 'bi_size' to 'bio_sectors' given bi_size is being stored in
sectors.  Also, use bio_sectors() rather than open-coding it.

Signed-off-by: Mike Snitzer <snitzer@kernel.org>
This commit is contained in:
Mike Snitzer 2022-04-15 03:04:59 -04:00
parent e86f2b005a
commit bdb34759a0
1 changed files with 5 additions and 5 deletions
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10
drivers/md/dm.c
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@ -1194,7 +1194,7 @@ static int dm_dax_zero_page_range(struct dax_device *dax_dev, pgoff_t pgoff,
* +--------------------+---------------+-------+
*
* <-------------- *tio->len_ptr --------------->
* <------- bi_size ------->
* <----- bio_sectors ----->
* <-- n_sectors -->
*
* Region 1 was already iterated over with bio_advance or similar function.
@ -1211,15 +1211,15 @@ static int dm_dax_zero_page_range(struct dax_device *dax_dev, pgoff_t pgoff,
void dm_accept_partial_bio(struct bio *bio, unsigned n_sectors)
{
struct dm_target_io *tio = clone_to_tio(bio);
unsigned bi_size = bio->bi_iter.bi_size >> SECTOR_SHIFT;
unsigned bio_sectors = bio_sectors(bio);
BUG_ON(dm_tio_flagged(tio, DM_TIO_IS_DUPLICATE_BIO));
BUG_ON(op_is_zone_mgmt(bio_op(bio)));
BUG_ON(bio_op(bio) == REQ_OP_ZONE_APPEND);
BUG_ON(bi_size > *tio->len_ptr);
BUG_ON(n_sectors > bi_size);
BUG_ON(bio_sectors > *tio->len_ptr);
BUG_ON(n_sectors > bio_sectors);
*tio->len_ptr -= bi_size - n_sectors;
*tio->len_ptr -= bio_sectors - n_sectors;
bio->bi_iter.bi_size = n_sectors << SECTOR_SHIFT;
}
EXPORT_SYMBOL_GPL(dm_accept_partial_bio);