fs/nilfs2/segbuf.c

346 				   struct nilfs_write_info *wi)
348 	struct bio *bio = wi->bio;
355 	wi->bio = NULL;
356 	wi->rest_blocks -= wi->end - wi->start;
357 	wi->nr_vecs = min(wi->max_pages, wi->rest_blocks);
358 	wi->start = wi->end;
363 				       struct nilfs_write_info *wi)
365 	wi->bio = NULL;
366 	wi->rest_blocks = segbuf->sb_sum.nblocks;
367 	wi->max_pages = BIO_MAX_VECS;
368 	wi->nr_vecs = min(wi->max_pages, wi->rest_blocks);
369 	wi->start = wi->end = 0;
370 	wi->blocknr = segbuf->sb_pseg_start;
374 				  struct nilfs_write_info *wi,
379 	BUG_ON(wi->nr_vecs <= 0);
381 	if (!wi->bio) {
382 		wi->bio = bio_alloc(wi->nilfs->ns_bdev, wi->nr_vecs,
384 		wi->bio->bi_iter.bi_sector = (wi->blocknr + wi->end) <<
385 			(wi->nilfs->ns_blocksize_bits - 9);
388 	len = bio_add_page(wi->bio, bh->b_page, bh->b_size, bh_offset(bh));
390 		wi->end++;
394 	err = nilfs_segbuf_submit_bio(segbuf, wi);
416 	struct nilfs_write_info wi;
420 	wi.nilfs = nilfs;
421 	nilfs_segbuf_prepare_write(segbuf, &wi);
424 		res = nilfs_segbuf_submit_bh(segbuf, &wi, bh);
430 		res = nilfs_segbuf_submit_bh(segbuf, &wi, bh);
435 	if (wi.bio) {
440 		wi.bio->bi_opf |= REQ_SYNC;
441 		res = nilfs_segbuf_submit_bio(segbuf, &wi);