35 	struct bio	       *bio;  member
341 static void nilfs_end_bio_write(struct bio *bio, int err)  in nilfs_end_bio_write()  argument
343 	const int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);  in nilfs_end_bio_write()
344 	struct nilfs_segment_buffer *segbuf = bio->bi_private;  in nilfs_end_bio_write()
347 		set_bit(BIO_EOPNOTSUPP, &bio->bi_flags);  in nilfs_end_bio_write()
354 	bio_put(bio);  in nilfs_end_bio_write()
361 	struct bio *bio = wi->bio;  in nilfs_segbuf_submit_bio()  local
369 			bio_put(bio);  in nilfs_segbuf_submit_bio()
375 	bio->bi_end_io = nilfs_end_bio_write;  in nilfs_segbuf_submit_bio()
376 	bio->bi_private = segbuf;  in nilfs_segbuf_submit_bio()
377 	bio_get(bio);  in nilfs_segbuf_submit_bio()
378 	submit_bio(mode, bio);  in nilfs_segbuf_submit_bio()
380 	if (bio_flagged(bio, BIO_EOPNOTSUPP)) {  in nilfs_segbuf_submit_bio()
381 		bio_put(bio);  in nilfs_segbuf_submit_bio()
385 	bio_put(bio);  in nilfs_segbuf_submit_bio()
387 	wi->bio = NULL;  in nilfs_segbuf_submit_bio()
394 	wi->bio = NULL;  in nilfs_segbuf_submit_bio()
407 static struct bio *nilfs_alloc_seg_bio(struct the_nilfs *nilfs, sector_t start,  in nilfs_alloc_seg_bio()
410 	struct bio *bio;  in nilfs_alloc_seg_bio()  local
412 	bio = bio_alloc(GFP_NOIO, nr_vecs);  in nilfs_alloc_seg_bio()
413 	if (bio == NULL) {  in nilfs_alloc_seg_bio()
414 		while (!bio && (nr_vecs >>= 1))  in nilfs_alloc_seg_bio()
415 			bio = bio_alloc(GFP_NOIO, nr_vecs);  in nilfs_alloc_seg_bio()
417 	if (likely(bio)) {  in nilfs_alloc_seg_bio()
418 		bio->bi_bdev = nilfs->ns_bdev;  in nilfs_alloc_seg_bio()
419 		bio->bi_iter.bi_sector =  in nilfs_alloc_seg_bio()
422 	return bio;  in nilfs_alloc_seg_bio()
428 	wi->bio = NULL;  in nilfs_segbuf_prepare_write()
444 	if (!wi->bio) {  in nilfs_segbuf_submit_bh()
445 		wi->bio = nilfs_alloc_seg_bio(wi->nilfs, wi->blocknr + wi->end,  in nilfs_segbuf_submit_bh()
447 		if (unlikely(!wi->bio))  in nilfs_segbuf_submit_bh()
451 	len = bio_add_page(wi->bio, bh->b_page, bh->b_size, bh_offset(bh));  in nilfs_segbuf_submit_bh()
498 	if (wi.bio) {  in nilfs_segbuf_write()