33 static int copy_bio_to_actor(struct bio *bio,  in copy_bio_to_actor()  argument
43 	if (WARN_ON_ONCE(!bio_next_segment(bio, &iter_all)))  in copy_bio_to_actor()
67 			if (!bio_next_segment(bio, &iter_all))  in copy_bio_to_actor()
77 			     struct bio **biop, int *block_offset)  in squashfs_bio_read()
88 	struct bio *bio;  in squashfs_bio_read()  local
91 		bio = bio_alloc(GFP_NOIO, page_count);  in squashfs_bio_read()
93 		bio = bio_kmalloc(GFP_NOIO, page_count);  in squashfs_bio_read()
95 	if (!bio)  in squashfs_bio_read()
98 	bio_set_dev(bio, sb->s_bdev);  in squashfs_bio_read()
99 	bio->bi_opf = READ;  in squashfs_bio_read()
100 	bio->bi_iter.bi_sector = block * (msblk->devblksize >> SECTOR_SHIFT);  in squashfs_bio_read()
111 		if (!bio_add_page(bio, page, len, offset)) {  in squashfs_bio_read()
119 	error = submit_bio_wait(bio);  in squashfs_bio_read()
123 	*biop = bio;  in squashfs_bio_read()
128 	bio_free_pages(bio);  in squashfs_bio_read()
129 	bio_put(bio);  in squashfs_bio_read()
146 	struct bio *bio = NULL;  in squashfs_read_data()  local
171 		res = squashfs_bio_read(sb, index, 2, &bio, &offset);  in squashfs_read_data()
175 		if (WARN_ON_ONCE(!bio_next_segment(bio, &iter_all))) {  in squashfs_read_data()
185 			if (WARN_ON_ONCE(!bio_next_segment(bio, &iter_all))) {  in squashfs_read_data()
192 		bio_free_pages(bio);  in squashfs_read_data()
193 		bio_put(bio);  in squashfs_read_data()
205 	res = squashfs_bio_read(sb, index, length, &bio, &offset);  in squashfs_read_data()
214 		res = squashfs_decompress(msblk, bio, offset, length, output);  in squashfs_read_data()
216 		res = copy_bio_to_actor(bio, output, offset, length);  in squashfs_read_data()
220 	bio_free_pages(bio);  in squashfs_read_data()
221 	bio_put(bio);  in squashfs_read_data()