From bdb34759a0dbc89c134c60d282b5f100bed1365f Mon Sep 17 00:00:00 2001 From: Mike Snitzer Date: Fri, 15 Apr 2022 03:04:59 -0400 Subject: [PATCH] dm: use bio_sectors in dm_aceept_partial_bio 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 --- drivers/md/dm.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 6304322..69535e0 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -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); -- 2.7.4