2940 static void end_bio_bh_io_sync(struct bio *bio)  in end_bio_bh_io_sync()  argument
2942 	struct buffer_head *bh = bio->bi_private;  in end_bio_bh_io_sync()
2944 	if (unlikely(bio_flagged(bio, BIO_QUIET)))  in end_bio_bh_io_sync()
2947 	bh->b_end_io(bh, !bio->bi_error);  in end_bio_bh_io_sync()
2948 	bio_put(bio);  in end_bio_bh_io_sync()
2963 void guard_bio_eod(int rw, struct bio *bio)  in guard_bio_eod()  argument
2966 	struct bio_vec *bvec = &bio->bi_io_vec[bio->bi_vcnt - 1];  in guard_bio_eod()
2969 	maxsector = i_size_read(bio->bi_bdev->bd_inode) >> 9;  in guard_bio_eod()
2978 	if (unlikely(bio->bi_iter.bi_sector >= maxsector))  in guard_bio_eod()
2981 	maxsector -= bio->bi_iter.bi_sector;  in guard_bio_eod()
2982 	if (likely((bio->bi_iter.bi_size >> 9) <= maxsector))  in guard_bio_eod()
2986 	truncated_bytes = bio->bi_iter.bi_size - (maxsector << 9);  in guard_bio_eod()
2989 	bio->bi_iter.bi_size -= truncated_bytes;  in guard_bio_eod()
3002 	struct bio *bio;  in submit_bh_wbc()  local
3020 	bio = bio_alloc(GFP_NOIO, 1);  in submit_bh_wbc()
3023 		wbc_init_bio(wbc, bio);  in submit_bh_wbc()
3027 	bio->bi_iter.bi_sector = bh->b_blocknr * (bh->b_size >> 9);  in submit_bh_wbc()
3028 	bio->bi_bdev = bh->b_bdev;  in submit_bh_wbc()
3030 	bio_add_page(bio, bh->b_page, bh->b_size, bh_offset(bh));  in submit_bh_wbc()
3031 	BUG_ON(bio->bi_iter.bi_size != bh->b_size);  in submit_bh_wbc()
3033 	bio->bi_end_io = end_bio_bh_io_sync;  in submit_bh_wbc()
3034 	bio->bi_private = bh;  in submit_bh_wbc()
3035 	bio->bi_flags |= bio_flags;  in submit_bh_wbc()
3038 	guard_bio_eod(rw, bio);  in submit_bh_wbc()
3045 	submit_bio(rw, bio);  in submit_bh_wbc()