93 static void buffer_io_error(struct buffer_head *bh)  in buffer_io_error()  argument
96 		       bh->b_bdev,  in buffer_io_error()
97 			(unsigned long long)bh->b_blocknr);  in buffer_io_error()
108 		struct buffer_head *bh, *head;  in ext4_finish_bio()  local
126 		bh = head = page_buffers(page);  in ext4_finish_bio()
133 			if (bh_offset(bh) < bio_start ||  in ext4_finish_bio()
134 			    bh_offset(bh) + bh->b_size > bio_end) {  in ext4_finish_bio()
135 				if (buffer_async_write(bh))  in ext4_finish_bio()
139 			clear_buffer_async_write(bh);  in ext4_finish_bio()
141 				set_buffer_write_io_error(bh);  in ext4_finish_bio()
142 				buffer_io_error(bh);  in ext4_finish_bio()
144 		} while ((bh = bh->b_this_page) != head);  in ext4_finish_bio()
398 			       struct buffer_head *bh)  in io_submit_init_bio()  argument
407 	fscrypt_set_bio_crypt_ctx_bh(bio, bh, GFP_NOIO);  in io_submit_init_bio()
408 	bio->bi_iter.bi_sector = bh->b_blocknr * (bh->b_size >> 9);  in io_submit_init_bio()
409 	bio_set_dev(bio, bh->b_bdev);  in io_submit_init_bio()
413 	io->io_next_block = bh->b_blocknr;  in io_submit_init_bio()
420 			     struct buffer_head *bh)  in io_submit_add_bh()  argument
424 	if (io->io_bio && (bh->b_blocknr != io->io_next_block ||  in io_submit_add_bh()
425 			   !fscrypt_mergeable_bio_bh(io->io_bio, bh))) {  in io_submit_add_bh()
430 		io_submit_init_bio(io, bh);  in io_submit_add_bh()
433 	ret = bio_add_page(io->io_bio, page, bh->b_size, bh_offset(bh));  in io_submit_add_bh()
434 	if (ret != bh->b_size)  in io_submit_add_bh()
436 	wbc_account_cgroup_owner(io->io_wbc, page, bh->b_size);  in io_submit_add_bh()
449 	struct buffer_head *bh, *head;  in ext4_bio_write_page()  local
481 	bh = head = page_buffers(page);  in ext4_bio_write_page()
483 		block_start = bh_offset(bh);  in ext4_bio_write_page()
485 			clear_buffer_dirty(bh);  in ext4_bio_write_page()
486 			set_buffer_uptodate(bh);  in ext4_bio_write_page()
489 		if (!buffer_dirty(bh) || buffer_delay(bh) ||  in ext4_bio_write_page()
490 		    !buffer_mapped(bh) || buffer_unwritten(bh)) {  in ext4_bio_write_page()
492 			if (!buffer_mapped(bh))  in ext4_bio_write_page()
493 				clear_buffer_dirty(bh);  in ext4_bio_write_page()
498 		if (buffer_new(bh))  in ext4_bio_write_page()
499 			clear_buffer_new(bh);  in ext4_bio_write_page()
500 		set_buffer_async_write(bh);  in ext4_bio_write_page()
502 	} while ((bh = bh->b_this_page) != head);  in ext4_bio_write_page()
504 	bh = head = page_buffers(page);  in ext4_bio_write_page()
543 				clear_buffer_async_write(bh);  in ext4_bio_write_page()
544 				bh = bh->b_this_page;  in ext4_bio_write_page()
545 			} while (bh != head);  in ext4_bio_write_page()
552 		if (!buffer_async_write(bh))  in ext4_bio_write_page()
555 				 bounce_page ? bounce_page : page, bh);  in ext4_bio_write_page()
557 		clear_buffer_dirty(bh);  in ext4_bio_write_page()
558 	} while ((bh = bh->b_this_page) != head);  in ext4_bio_write_page()