267 static void metapage_read_end_io(struct bio *bio)  in metapage_read_end_io()  argument
269 	struct page *page = bio->bi_private;  in metapage_read_end_io()
271 	if (bio->bi_status) {  in metapage_read_end_io()
277 	bio_put(bio);  in metapage_read_end_io()
322 static void metapage_write_end_io(struct bio *bio)  in metapage_write_end_io()  argument
324 	struct page *page = bio->bi_private;  in metapage_write_end_io()
328 	if (bio->bi_status) {  in metapage_write_end_io()
333 	bio_put(bio);  in metapage_write_end_io()
338 	struct bio *bio = NULL;  in metapage_writepage()  local
383 		if (bio) {  in metapage_writepage()
392 			if (bio_add_page(bio, page, bio_bytes, bio_offset) <  in metapage_writepage()
400 			if (!bio->bi_iter.bi_size)  in metapage_writepage()
402 			submit_bio(bio);  in metapage_writepage()
404 			bio = NULL;  in metapage_writepage()
420 		bio = bio_alloc(inode->i_sb->s_bdev, 1, REQ_OP_WRITE, GFP_NOFS);  in metapage_writepage()
421 		bio->bi_iter.bi_sector = pblock << (inode->i_blkbits - 9);  in metapage_writepage()
422 		bio->bi_end_io = metapage_write_end_io;  in metapage_writepage()
423 		bio->bi_private = page;  in metapage_writepage()
432 	if (bio) {  in metapage_writepage()
433 		if (bio_add_page(bio, page, bio_bytes, bio_offset) < bio_bytes)  in metapage_writepage()
435 		if (!bio->bi_iter.bi_size)  in metapage_writepage()
438 		submit_bio(bio);  in metapage_writepage()
459 		       4, bio, sizeof(*bio), 0);  in metapage_writepage()
461 	bio_put(bio);  in metapage_writepage()
474 	struct bio *bio = NULL;  in metapage_read_folio()  local
496 			if (bio)  in metapage_read_folio()
497 				submit_bio(bio);  in metapage_read_folio()
499 			bio = bio_alloc(inode->i_sb->s_bdev, 1, REQ_OP_READ,  in metapage_read_folio()
501 			bio->bi_iter.bi_sector =  in metapage_read_folio()
503 			bio->bi_end_io = metapage_read_end_io;  in metapage_read_folio()
504 			bio->bi_private = page;  in metapage_read_folio()
507 			if (bio_add_page(bio, page, len, offset) < len)  in metapage_read_folio()
513 	if (bio)  in metapage_read_folio()
514 		submit_bio(bio);  in metapage_read_folio()
522 	bio_put(bio);  in metapage_read_folio()